See also:

Rear differential oil temperature warning light (STI)
Reduce vehicle speed and park the vehicle in a safe place as soon as possible if the R.DIFF TEMP light illuminates. Continued driving with this light illuminated can damage the rear differential ...

Deleting old transmitter codes
The control unit of the keyless entry system has four memory locations to store transmitter codes, giving it the ability to operate with up to four transmitters. When you lose a transmitter, t ...

Lubrication oil circulation in the refrigerant circuit
Operate the air conditioner compressor at a low engine speed (at idle or low driving speeds) a few minutes each month during the off-season to circulate its oil. ...