Audi A4: Laws and Regulations

 Battery

Battery general information Because of the complex power supply, all work on batteries such as disconnecting, replacing, etc., should only be performed by an authorized Audi dealer or authorized Audi Service Facility. Multiple batteries with different technologies may be installed in your vehicle:

 Rear cross-traffic assist

Description Applies to: vehicles with rear cross-traffic assist Fig. 130 Sensor Fig. 131 Center display: rear cross-traffic assist display General information The rear cross-traffic assist monitors the area behind and next to the vehicle using radar sensors at the rear corners of the vehicle. T