Audi Q7: Communication

 Rear Expansion Valve, Removing and Installing

  Caution This procedure contains mandatory replaceable parts. Refer to component overview prior to starting procedure. Mandatory Replacement Parts O-ring - Rear Expansion Valve to Refrigerant Line - High Pressure Side O-ring - Refrigerant Line - Low Pressure Side to Rear Expansion Valv

 Automatic Dimming Function, Switching On and Off

- By briefly pressing the button -2- (less than three seconds), the automatic dimming function is switched on or off automatically. Automatic dimming "ON": the lamp in the display -1- turns on. Automatic dimming "OFF": the lamp in the display -1- turns off. Automatic dimming function is act