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-cond ...

Problems with Night View Assist Plus
Problem Possible causes/consequences and Solutions The picture quality of Night View Assist Plus has deteriorated. The windshield wipers are smearing the windshield. – ...

Back button
Press briefly: - Back - Switches off the Voice Control System - Hides display messages or calls up the last Trip menu function used - Exits the telephone book/redial memory ...