See also:

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

Setting the temperature
You can set the temperature separately for the driver’s and front-passenger side. Select left temperature display 1 or right temperature display 7 in the airconditioning function bar by turnin ...

Engine
Display messages Possible causes/consequences and Solutions The yellow Check Engine warning lamp lights up while the engine is running. There may be a malfunction, for ex ...