Owner Maintenance

Routine Service

We highly recommend that these items be inspected daily, or at least every week.

• Engine Oil Level (Search)

• Engine Coolant Level (Search)

• Brake and clutch Fluid Level (Search)

• Washer Fluid Level (Search)

• Battery Maintenance (Search)

• Tyre Inflation Pressure (Search)

Improper or incomplete service may result in problems. This section gives instructions only for items that are easy to perform.

As explained in the Introduction (Search), several procedures can be done only by a qualified service technician with special tools.

Improper do-it yourself maintenance during the warranty period may affect warranty coverage. For details, read the separate Mazda Warranty statement provided with the vehicle. If you are unsure about any servicing or maintenance procedure, have it done by an expert repairer, we recommend an Authorised Mazda Repairer.

There are strict environmental laws regarding the disposal of waste oil and fluids. Please dispose of your waste properly and with due regard to the environment.

We recommend that you entrust the oil and fluid changes of your vehicle to an Authorised Mazda Repairer.

 

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Do not perform maintenance work if you lack sufficient knowledge and experience or the proper tools and equipment to do the work. Have maintenance work done by a qualified technician:

Performing maintenance work on a vehicle is dangerous if not done properly. You can be seriously injured while performing some maintenance procedures.

If you must run the engine while working under the bonnet, make certain that you remove all jewellery (especially rings, bracelets, watches, and necklaces) and all neckties, scarves, and similar loose clothing before getting near the engine or cooling fan which may turn on unexpectedly:

Working under the bonnet with the engine running is dangerous. It becomes even more dangerous when you wear jewellery, loose clothing or have long hair or a long beard.

Either can become entangled in moving parts and result in injury.

Pull over to a safe location, then switch the ignition off and make sure the fan is not running before attempting to work near the cooling fan:

Working near the cooling fan when it is running is dangerous. The fan could continue running indefinitely even if the engine has stopped and the engine compartment temperature is high. You could be hit by the fan and seriously injured.

Do not leave items in the engine compartment:

After you have finished checking or doing servicing in the engine compartment, do not forget and leave items such as tools or rags in the engine compartment.

Tools or other items left in the engine compartment could cause engine damage or a fire leading to an unexpected accident.

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1. With the vehicle parked, pull the release handle to unlock the bonnet.

    

   

2. Insert your hand into the bonnet opening, slide the latch lever to the left, and lift up the bonnet.

    

   

    

3. Grasp the support rod in the padded area and secure it in the support rod hole indicated by the arrow to hold the bonnet open.

    

   

   1. Pad

   2. Support rod

1. Check under the bonnet area to make certain all filler caps are in place and all loose items (e.g. tools, oil containers, etc.) have been removed.

2. Lift the bonnet, grasp the padded area on the support rod, and secure the support rod in the clip. Verify that the support rod is secured in the clip before closing the bonnet.

    

   

   1. Clip

    

3. Lower the bonnet slowly to a height of about 20 cm (7.9 in) above its closed position and then let it drop.

 

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When closing the bonnet, do not push it excessively such as by applying your weight. Otherwise, the bonnet could be deformed.

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1. Engine coolant reservoir

2. Brake/Clutch fluid reservoir

3. Engine oil dipstick

4. Battery

5. Fuse block

6. Cooling system cap

7. Engine oil-filler cap

8. Windscreen washer fluid reservoir

In order to keep the maintenance interval (Search) and to protect the engine from damage caused by poor lubrication, it is vitally important to make use of engine oil with the correct specification. Do not use oils which do not meet the following specifications or requirements. Use of unsuitable oil may lead to engine damage which is not covered by the Mazda Warranty.

Engine oil viscosity, or thickness, has an effect on fuel economy and cold-weather operation (starting and oil flow).

Low-viscosity engine oils can provide improved fuel economy and cold-weather performance.

When choosing an oil, consider the temperature range your vehicle will operate in before the next oil change.

Then select the recommended viscosity from the chart.

 

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• Using oils of viscosity besides those recommended for specific temperature ranges could result in engine damage.

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• It is normal for all engines to consume engine oil under normal driving conditions.

  Engine oil consumption may be as high as 0.8 L/1,000 km (1 L/800 miles). This may be as a result of evaporation, internal ventilation or burning of the lubricating oil in the working engine. Oil consumption may be higher when the engine is new due to the running-in process. Oil consumption is also dependant on engine speed and engine load. Under extreme driving conditions, oil consumption may be higher.

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1. Be sure the vehicle is on a level surface.

2. Warm up the engine to normal operating temperature.

3. Turn it off and wait at least 5 minutes for the oil to return to the sump.

4. Pull out the dipstick, wipe it clean, and reinsert it fully.

    

   

   1. MAX

   2. OK

   3. MIN

    

5. Pull it out again and examine the level.

   The level is normal if it is between the MIN and MAX marks.

   If it is near or below MIN, add enough oil to bring the level to MAX.

    

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   Do not overfill the engine oil. This may cause engine damage.

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6. Make sure the O-ring on the dipstick is positioned properly before reinserting the dipstick.

7. Reinsert the dipstick fully.

 

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Do not use a match or live flame in the engine compartment. DO NOT ADD COOLANT WHEN THE ENGINE IS HOT:

A hot engine is dangerous. If the engine has been running, parts of the engine compartment can become very hot. You could be burned. Carefully inspect the engine coolant in the coolant reservoir, but do not open it.

Pull over to a safe location, then switch the ignition off and make sure the fan is not running before attempting to work near the cooling fan:

Working near the cooling fan when it is running is dangerous. The fan could continue running indefinitely even if the engine has stopped and the engine compartment temperature is high. You could be hit by the fan and seriously injured.

Do not remove either cooling system cap when the engine and radiator are hot:

When the engine and radiator are hot, scalding coolant and steam may shoot out under pressure and cause serious injury.

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Changing the coolant should be done by an expert repairer, we recommend an Authorised Mazda Repairer.

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Inspect the antifreeze protection and coolant level in the coolant reservoir at least once a year―at the beginning of the winter season―and before travelling where temperatures may drop below freezing.

Inspect the condition and connections of all cooling system and heater hoses.

Replace any that are swollen or deteriorated.

The coolant should be at full in the radiator and between the FULL and LOW marks on the coolant reservoir when the engine is cool.

If it is at or near LOW, add enough coolant to the coolant reservoir to provide freezing and corrosion protection and to bring the level to FULL.

Securely tighten the coolant reservoir tank cap after adding coolant.

 

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• Radiator coolant will damage paint.

  Rinse it off quickly if spilled.

• If the “FL22” mark is shown on or near the cooling system cap, use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL-22 may cause serious damage to the engine and cooling system.

 

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If the coolant reservoir is empty or new coolant is required frequently, consult an expert repairer, we recommend an Authorised Mazda Repairer.

 

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If the brake/clutch fluid level is low, have the brakes inspected:

A low brake/clutch fluid level is dangerous.

A low level could indicate brake lining wear or a brake system leak which could cause the brakes to fail and lead to an accident.

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The brakes and clutch draw fluid from the same reservoir.

Inspect the fluid level in the reservoir regularly. It should be kept between the MAX and MIN lines.

The level normally drops with accumulated distance, a condition associated with wear of brake and clutch linings. If it is excessively low, have the brake/clutch system inspected by an expert repairer, we recommend an Authorised Mazda Repairer.

 

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Use only windscreen washer fluid or plain water in the reservoir:

Using radiator antifreeze as washer fluid is dangerous. If sprayed on the windscreen, it will dirty the windscreen, affect your visibility, and could result in an accident.

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Inspect fluid level in the washer fluid reservoir; add fluid if necessary.

The top of the float should be between F and E.

Use plain water if washer fluid is unavailable.

But use only washer fluid in cold weather to prevent it from freezing.

 

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Front and rear washer fluid is supplied from the same reservoir.

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All moving points of the body, such as door and bonnet hinges and locks, should be lubricated each time the engine oil is changed. Use a nonfreezing lubricant on locks during cold weather.

Make sure the bonnet's secondary latch keeps the bonnet from opening when the primary latch is released.

 

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• Hot waxes applied by automatic car washers have been known to affect the wiper's ability to clean windows.

• To prevent damage to the wiper blades, do not use petrol, paraffin, paint thinner, or other solvents on or near them.

• When the wiper lever is in the position and the ignition is switched ON, the wipers may move automatically in the following cases:

  • If the windscreen above the rain sensor is touched.

  • If the windscreen above the rain sensor is wiped with a cloth.

  • If the windscreen is struck with a hand or other object.

  • If the rain sensor is struck with a hand or other object from inside the vehicle.

  Be careful not to pinch hands or fingers as it may cause injury, or damage the wipers. When washing or servicing the vehicle, make sure the wiper lever is in the position.

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Contamination of either the windscreen or the blades with foreign matter can reduce wiper effectiveness. Common sources are insects, tree sap, and hot wax treatments used by some commercial car washes.

If the blades are not wiping properly, clean the window and blades with a good cleaner or mild detergent; then rinse thoroughly with clean water. Repeat if necessary.

When the wipers no longer clean well, the blades are probably worn or cracked.

Replace them.

 

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• Replace with Mazda genuine wiper blades. If they are replaced with wiper blades other than a Mazda genuine product, they may not wipe with the same efficiency as the genuine product.

• To prevent damage to the wiper arms and other components, do not try to sweep the wiper arm by hand.

• Do not bend the blade rubber unnecessarily when replacing it. Otherwise, the metal stiffener in the blade may deform and the windscreen wiper operation may be adversely affected.

• Do not hold a wiper blade by its end when raising the wiper arm. Otherwise, the part may deform and the wiping performance may lower.

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• You can replace the wiper blades yourself, however you cannot replace the wiper arms.

  If you want to replace the wiper arms, consult an expert repairer, we recommend an Authorised Mazda Repairer.

• Forcefully lowering the wiper arms could damage the wiper arm and blade, and may scratch or crack the windscreen.

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1. Move the wipers to the service positions using the following procedure.

   1. Switch the ignition ON.

   2. Switch the ignition OFF.

   3. Press up the wiper switch to the position 2 times within 30 seconds after switching the ignition OFF.

      When the procedure is completed, the wipers operate and they stop at the service positions.

2. Raise the wiper arms.

    

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   To prevent damage to the windscreen let the wiper arm down easily, do not let it slap down on the windscreen.

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3. Slide the blade component in the direction of the arrow while pressing the wiper arm tab to remove the blade component from the wiper arm.

    

   

4. Pull the blade rubber in the direction of the arrow and slide it to a position where the blade holder groove can be checked.

    

   

5. Pull the end of the blade rubber from the blade holder groove in the direction of the arrow and remove the blade rubber from the blade holder.

    

   

6. Insert the end of the new blade rubber into the groove of the blade holder until it contacts the end of the blade holder.

    

   

7. After pulling the blade rubber in the direction of the arrow and sliding the blade rubber to a position to check the blade holder groove, slide the blade rubber end in the opposite direction.

    

   

8. Make sure that the blade rubber is correctly installed to the blade holder.

9. Slide the blade component and install it to the wiper arm.

    

   

10. Slowly lower the wiper arms onto the windscreen.

11. Move the wipers to their initial positions using the following procedure.

    1. Make sure that the wipers are set on the windscreen.

    2. Switch the ignition ON.

    3. Press up the wiper switch to the position 1 time.

       When the procedure is completed, the wipers operate and they stop at the initial positions.

When the wiper no longer cleans well, the blade is probably worn or cracked.

Replace it.

 

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To prevent damage to the wiper arm and other components, do not move the wiper by hand.

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1. Raise the wiper arm and rotate the wiper blade to the right until it unlocks, then remove the blade.

    

   

    

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   To prevent damage to the rear window, do not let the wiper arm fall on it.

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2. Pull down the blade rubber and slide it out of the blade holder.

    

   

3. Remove the metal stiffeners from the blade rubber and install them in the new blade.

    

   

    

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   Do not bend or discard the stiffeners. You need to use them again.

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4. Carefully insert the new blade rubber.

   Then install the blade assembly in the reverse order of removal.

    

   

To get the best service from a battery:

• Keep it securely mounted.

• Keep the top clean and dry.

• Keep terminals and connections clean, tight, and coated with petroleum jelly or terminal grease.

• Rinse off spilled electrolyte immediately with a solution of water and baking soda.

• If the vehicle will not be used for an extended time, disconnect the battery leads and charge the battery every 6 weeks.

A low level of electrolyte fluid will cause the battery to discharge quickly.

1. Upper level

2. Lower level

Inspect the electrolyte level at least once a week. If it is low, remove the caps and add enough distilled water to bring the level between the upper and lower level (illustration).

Do not overfill.

Examine the specific gravity of the electrolyte with a hydrometer, especially during cold weather. If it is low, recharge the battery.

 

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• Before performing maintenance or recharging the battery, turn off all accessories and stop the engine.

• To disconnect the battery, remove the negative lead first. Install it last when connecting the battery.

• Be sure to remove the caps before recharging the battery.

• Do not quick-charge the battery.

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• If the battery quickly discharges because, for example, the lights were left on too long with the engine off, slow-charge it as required by battery size and charger capacity.

• If the battery gradually discharges because of high electric load while the vehicle is being used, recharge it as required by battery size and charger capacity.

Contact an Authorised Mazda Repairer for a battery replacement purchase.

If the buttons on the transmitter are inoperable and the operation indicator light does not flash, the battery may be dead.

Replace with a new battery before the transmitter becomes unusable.

 

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• Make sure the battery is installed correctly. Battery leakage could occur if it is not installed correctly.

• When replacing the battery, be careful not to touch any of the internal circuitry and electrical terminals, bend the electrical terminals, or get dirt in the transmitter as the transmitter could be damaged.

• There is the danger of explosion if the battery is not correctly replaced.

• Dispose of used batteries according to the following instructions.

  • Insulate the plus and minus terminals of the battery using cellophane or equivalent tape.

  • Never disassemble.

  • Never throw the battery into fire or water.

  • Never deform or crush.

• Replace only with the same type battery (CR2032 or equivalent).

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The following conditions indicate that the battery power is low:

• The KEY warning indication/warning light (red) in the instrument cluster turns on and a message, "Low Key Fob Battery. Replace Battery", is displayed on the multi-information display when the ignition is switched OFF.

• The system does not operate and the operation indicator light on the transmitter does not flash when the buttons are pressed.

• The system's operational range is reduced.

Replacing the battery at an Authorised Mazda Repairer is recommended to prevent damage to the key. If replacing the battery by yourself, follow the instruction.

Replacing the key battery

1. Remove the lower cover while pressing the knob in the direction of the arrow.

   

2. Press in the tab to unlock the upper cover.

   

3. Insert a tape-wrapped flathead screwdriver into the gap and slide it in the direction of the arrow.

   

4. Twist the flathead screwdriver in the direction of the arrow and remove the upper cover.

   

5. Remove the cap using the tape-wrapped flathead screwdriver.

   

6. Remove the battery using tape-wrapped flathead screwdriver.

   

7. Insert a new battery into the transmitter so that the positive pole is facing up.

8. Install the cap.

   

9. Install the upper cover.

   

10. Insert the tabs of the lower cover into the slots of the transmitter and install the lower cover.

    

For reasons of proper performance, safety, and better fuel economy, always maintain recommended tyre inflation pressures and stay within the recommended load limits and weight distribution.

 

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Using Different Tyre Types:

Driving your vehicle with different types of tyres is dangerous. It could cause poor handling and poor braking; leading to loss of control.

Except for the limited use of the temporary spare tyre, use only the same type tyres (radial, bias-belted, bias-type) on all four wheels.

Using Wrong-Sized Tyres:

Using any other tyre size than what is specified for the vehicle (Search) is dangerous. It could seriously affect ride, handling, ground clearance, tyre clearance, and speedometer calibration. This could cause you to have an accident. Use only tyres that are the correct size specified for the vehicle.

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Always inflate the tyres to the correct pressure:

Overinflation or underinflation of tyres is dangerous. Adverse handling or unexpected tyre failure could result in a serious accident.

Refer to Tyres (Search).

Use only a Mazda-genuine tyre valve cap:

Use of a non-genuine part is dangerous as the correct tyre air pressure cannot be maintained if the tyre valve becomes damaged. If the vehicle is driven under this condition, the tyre air pressure will decrease which could result in a serious accident. Do not use any part for the tyre valve cap that is not a Mazda-genuine part.

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Inspect all tyre pressures monthly (including the spare) when the tyres are cold. Maintain recommended pressures for the best ride, handling, and minimum tyre wear.

Refer to the specification charts (Search).

 

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• Always check tyre pressure when tyres are cold.

• Warm tyres normally exceed recommended pressures. Do not release air from warm tyres to adjust the pressure.

• Underinflation can cause reduced fuel economy, uneven and accelerated tyre wear, and poor sealing of the tyre bead, which will deform the wheel and cause separation of tyre from rim.

• Overinflation can produce a harsh ride, uneven and accelerated tyre wear, and a greater possibility of damage from road hazards.

  Keep your tyre pressure at the correct levels. If one frequently needs inflating, have it inspected.

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Rotate tyres periodically:

Irregular tyre wear is dangerous. To equalize tread wear for maintaining good performance in handling and braking, rotate the tyres every 10,000 km (6,250 miles), or sooner if irregular wear develops.

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During rotation, inspect them for correct balance.

1. Forward

Do not include (TEMPORARY USE ONLY) spare tyre in rotation.

Also, inspect them for uneven wear and damage. Abnormal wear is usually caused by one or a combination of the following:

• Incorrect tyre pressure

• Improper wheel alignment

• Out-of-balance wheel

• Severe braking

After rotation, inflate all tyre pressures to specification (Search) and inspect the wheel nuts for tightness.

 

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Rotate unidirectional tyres and radial tyres that have an asymmetrical tread pattern or studs only from front to rear, not from side to side. Tyre performance will be reduced if rotated from side to side.

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Always use tyres that are in good condition:

Driving with worn tyres is dangerous. Reduced braking, steering, and traction could result in an accident.

Replace all four tyres at the same time:

Replacing just one tyre is dangerous. It could cause poor handling and poor braking resulting in loss of vehicle control. Mazda strongly recommends that you replace all four tyres at the same time.

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If a tyre wears evenly, a wear indicator will appear as a solid band across the tread.

Replace the tyre when this happens.

1. New tread

2. Worn tread

3. Tread wear indicator

You should replace the tyre before the band crosses the entire tread.

Inspect the temporary spare tyre at least monthly to make sure it is properly inflated and stored.

 

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The temporary spare tyre condition gradually deteriorates even if it has not been used.

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The temporary spare tyre is easier to handle because of its construction which is lighter and smaller than a conventional tyre. This tyre should be used only for an emergency and only for a short distance.

Use the temporary spare tyre only until the conventional tyre is repaired, which should be as soon as possible.

Refer to Tyre (Search).

 

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• Do not use your temporary spare tyre rim with a snow tyre or a conventional tyre. Neither will properly fit and could damage both tyre and rim.

• The temporary spare tyre has a tread life of less than 5,000 km (3,000 miles). The tread life may be shorter depending on driving conditions.

• The temporary spare tyre is for limited use, however, if the tread wear solid-band indicator appears, replace the tyre with the same type of temporary spare (Search).

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Always use wheels of the correct size on your vehicle:

Using a wrong-sized wheel is dangerous. Braking and handling could be affected, leading to loss of control and an accident.

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A wrong-sized wheel may adversely affect:

• Tyre fit

• Wheel and bearing life

• Ground clearance

• Snow-chain clearance

• Speedometer calibration

• Headlight aim

• Bumper height

• Tyre Pressure Monitoring System

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• When replacing a wheel, make sure the new one is the same as the original factory wheel in diameter, rim width, and offset (inset/outset).

• For details, contact an expert repairer, we recommend an Authorised Mazda Repairer.

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Proper tyre balancing provides the best riding comfort and helps reduce tread wear. Out-of-balance tyres can cause vibration and uneven wear, such as cupping and flat spots.

Front

Type A

1. Vanity mirror lights (Some Models)

2. Front overhead lights/Front map lights

3. Side direction indicator lights

4. Running lights/Position lights

5. Headlights (High/Low beam)

6. Headlights (Wide-range low beam)

7. Front direction indicator lights

Type B

1. Vanity mirror lights (Some Models)

2. Front overhead lights/Front map lights

3. Side direction indicator lights

4. Position lights

5. Headlights (High/Low beam)

6. Front direction indicator lights

Rear

Saloon

1. Boot light

2. High-mount brake light

3. Rear overhead light

4. Brake lights/Tail lights

5. Rear direction indicator lights

6. Tail lights (Some Models)

7. Reverse lights

8. Number plate lights

Hatchback

1. Luggage compartment light

2. High-mount brake light

3. Rear overhead light

4. Rear direction indicator lights

5. Brake lights/Tail lights

6. Tail lights (Some Models)

7. Reverse lights

8. Number plate lights

 

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When removing the lens or lamp unit using a flathead screwdriver, make sure that the flathead screwdriver does not contact the interior terminal. If the flathead screwdriver contacts the terminal, a short circuit may occur.

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• When replacing a bulb, contact an expert repairer, we recommend an Authorised Mazda Repairer if necessary.

• Use the protective cover and carton for the replacement bulb to dispose of the old bulb promptly and out of the reach of children.

• For details regarding the installation positions of the interior lights, refer to the following:

  • Vanity mirror lights

    Refer to Vanity Mirrors (Search).

  • Front overhead lights/front map lights, rear overhead light, boot light, and luggage compartment light

    Refer to Interior Lights (Search).

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The exterior lights have either LEDs or normal bulbs.

Only the bulb for a position lights (type B) can be replaced.

LED type

• Headlights

• Running lights (Type A)

• Front direction indicator lights

• Side direction indicator lights

• High-mount brake light

• Rear direction indicator lights

• Brake lights

• Tail lights

• Reverse lights

• Number plate lights

The LED bulb cannot be replaced as a single unit because it is an integrated unit.

The LED bulb has to be replaced with the unit. We recommend an Authorised Mazda Repairer when the replacement is necessary.

Bulb type

Position lights (Type B)

1. Make sure the ignition is switched off, and the headlight switch is off.

2. If you are changing the left bulb, start the engine, turn the steering wheel all the way to the right, and turn off engine. If you are changing the right bulb, turn the steering wheel to the left.

3. Pull the centre of each plastic retainer and remove the retainers.

   

   1. Removal

   2. Installation

    

4. Pull the centre of each plastic retainer and remove the retainers.

   

   1. Removal

   2. Installation

5. Turn the screw anticlockwise and remove it, and then partially peel back the mudguard.

   

6. Turn the socket and bulb assembly anticlockwise and remove it.

   

7. Disconnect the bulb from the socket.

8. Install the new bulb in the reverse order of the removal procedure.

LED type

• Front overhead lights/Front map lights

• Rear overhead light

• Vanity mirror lights

• Luggage compartment light (Hatchback)

The LED bulb cannot be replaced as a single unit because it is an integrated unit.

The LED bulb has to be replaced with the unit. We recommend an Authorised Mazda Repairer when the replacement is necessary.

Bulb type

Boot light (Saloon)

1. Press both sides of the lens cap to remove it.

2. Disconnect the bulb by pulling it out.

   

3. Install the new bulb in the reverse order of the removal procedure.

Emission control maintenance is periodically required to ensure proper emission control and engine performance. Refer to scheduled maintenance (Search) for information on when and how to perform the following inspections and servicing items.

For owners with a Mazda Workshop Manual, refer to the sections on Predelivery Inspection and Scheduled Maintenance.

Drive belts

Inspect the belts for cracks and other damage. Replace if necessary.

Engine oil

When changing the engine oil, use the following oil of the proper viscosity for your climate.

(Australia)

API SL/SM/SN or ILSAC GF-III/GF-IV/GF-V

(New Zealand)

API SN or higher, or ILSAC GF-V or higher

Change it more frequently during heavy use under any of these conditions:

1. Dusty environment

2. Extended idling or low-speed operations

3. Driving for a prolonged period in cold temperatures or in an extremely humid climate

4. Repeated short-distance driving

Oil filter

Do not fail to change the oil filter as prescribed. As with the engine oil, under severe driving conditions, the filter should be changed more frequently.

Cooling system

When inspecting hoses (including the heater hose), connections, and clamps, look for leaks, swellings, cracks, and other damage. Replace any defective hose or part.

Engine coolant

Change the coolant and flush the cooling system as prescribed.

Fuel lines and hoses

When inspecting the fuel pipes, hoses, connections and clamps, look for leaks, deterioration, and other damage.

Replace any defective hose or part.

Air filter

Besides replacing the filter regularly, always replace it if it is torn or otherwise damaged. Inspect and replace it more often than prescribed if the vehicle is used in very dusty or sandy areas.

Spark plugs

To maintain proper engine operation and emission control, spark plugs must always be in good condition.

When inspecting evaporative line hoses and connections (including the fuel tank and filler cap), apply pressure to determine pressure-holding capacity. Replace any damaged or deteriorated parts.

E.G.R. system

The EGR valve must function properly and no leaks can be evident in the pipes and connections. Replace any damaged part.

Clean the pipes, valve and connections from time to time.

 

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Do not touch the EGR pipes while the engine is running or until they have cooled off after the engine is stopped:

EGR pipes are extremely hot during engine operation and for a while after operation. Touching them could cause severe burns.

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