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Problems with the sliding sunroof
In the following section, the term "sliding sunroof" refers to the panorama roof with power tilt/sliding panel. Problem: the sunroof cannot be closed and you cannot see the cause. W ...

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 ...