Audi Q7: Body Exterior

 Compressor Magnetic Clutch - N421-, Checking

General Description The supercharger Compressor Magnetic Clutch -N421- is controlled by the engine control module (ECM) as required, i.e. the clutch is only engaged when high engine output is requested. The Compressor Magnetic Clutch -N421- is engaged and forms a frictional connection between th

 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