See also:

Correct driver's seat position
Observe the safety guidelines on seat adjustment. Check whether you have adjusted seat 3 properly. Manual and electrical seat adjustment. Electrical seat adjustment. When adjusting the se ...

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Radiator
Vehicles with a diesel engine: do not cover the radiator, for example with a winter front or bug cover. Otherwise, the readings of the on-board-diagnostic system may be inaccurate. Some of the ...