Audi Q7: Display and operation

 Finding Leaks via Vacuum Test using A/C Service Station or Nitrogen Pressure Testing

Vehicles with a High Voltage System (Hybrid Vehicles) Read and follow all of the supplemental warnings for all work performed on vehicles with the high voltage system. Refer to → Chapter "Warnings when Working on Vehicles with High Voltage System" and → Electrical Equipment; 

 Heater Core, Removing and Installing

Heater Core, Preparing for Removal - Turn on the ignition. - Adjust the airflow direction of the air on the Front A/C Display Control Head -E87- to "DEF" (to the windshield). - Set the temperature preset on the Front A/C Display Control Head -E87- for the left and right side to "col