Audi Q7: Maintenance and Care

 Technical Data

Capacities Refrigerant R134a and refrigerant oil. Refer to →Fluid Capacity Tables; Rep. Gr.03.   Note Pay attention to the different capacities for refrigerant R134a in vehicles without a rear heater and A/C unit (with an evaporator) and in vehicles with a rear heater and A/C unit (w

 Windshield Defogger

Windshield Defogger The Windshield Defogger Control Module -J505- is activated by the Comfort System Central Control Module -J393- at the request of the Front A/C Display Control Head -E87-. This request is sent via the data bus to the Comfort System Central Control Module -J393-. The Comfort