Audi A4: Electrical System

 Other information

Online Car Care Applies to: vehicles with Online Car Care If new messages from Online Car Care are available, they will be displayed in the MMI when you switch on the ignition. Applies to: MMI: To access Online Car Care messages at a later time, select on the home screen: VEHICLE > Settings &

 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;