See also:

Engine
Problem Possible causes/consequences and •► Solutions The yellow Check Engine warning lamp lights up while the engine is running. There may be a malfunction, for example: ...

Refrigerant of the air-conditioning system
The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant. Never use refrigerant R 12 (CFC) or mineral lubricants. Otherwise, you could damage the air-condit ...

Lowering the vehicle
Turn the crank of the jack counterclockwise until the vehicle is once again standing firmly on the ground. Place the jack to one side. Tighten the wheel bolts evenly in a crosswise patt ...