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 ...

When checking or servicing in the engine compartment while the engine is running
WARNING A running engine can be dangerous. Keep your fingers, hands, clothing, hair and tools away from the cooling fan, belts and any other moving engine parts. Removing rings, watches and ties ...

Lubricants
Engine oil For the checking, adding and replacing procedure or other details, refer to “Engine oil” F11-12. NOTE The procedure for changing the engine oil and oil filter should be performed by ...