If a key is left in the vehicle cabin and all the doors and the liftgate/boot are locked using a separate key, a beep sound is heard for about 10 seconds to remind the driver that the key has been left in the vehicle cabin.
If this happens, the doors and the liftgate/boot lock but the functions of the key left in the vehicle cabin may be temporarily suspended.
Perform the applicable procedure to restore the functions of the key (Search).