See also:

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-condition ...

Route guidance inactive
Route guidance inactive 1 Direction of travel 2 Current road ...

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