Audi Q7: Communication

 Refrigerant R134a

Refrigerant R134a Physical Data Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as refrigerant. The refrigerant used is tetrafluoroethane R134a, which boils at -26.5 ºC (-15.7 ºF) at

 Light Switch -E1-, Removing and Installing

Removing - Turn the light switch to position "0". - Remove the light switch trim. Refer to → Body Interior; Rep. Gr.70; Instrument Panel; Light Switch Trim, Removing and Installing. - If equipped, remove the bolts -1 and 4-. - Release the retainers in the dire