Audi A4: Starting and driving

 General touch display operation

General information Applies to: touch display The center display is a touchscreen. Operation is very similar to operating a smartphone. Tips Certain gestures are not available in every menu. Pressing Applies to: touch display Fig. 8 Touch display: pressing Selecting a function or button Press the

 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;