To remove the jack
Remove the cover.
Turn the wing bolt and jack screw anticlockwise.
To secure the jack
Insert the wing bolt into the jack with the jack screw pointing back and turn the wing bolt clockwise to temporarily tighten it.
Turn the jack screw clockwise.
Turn the wing bolt completely to secure the jack.
If the jack is not completely secured, it could rattle while driving. Make sure the jack screw is sufficiently tightened.
Insert the cover tabs and install the cover.
Verify that the cover is securely installed.
Maintenance
Always keep the jack clean.
Make sure the moving parts are kept free from dirt or rust.
Make sure the screw thread is adequately lubricated.