Audi A4: Transmission

 Battery

Battery General Information To guarantee a long service life, the Battery -A- must be checked, serviced and maintained as described in this manual. The Battery -A- supplies the power to start the engine. The Battery -A- also acts as a power reserve for the entire vehicle electrical system.  

 Audi pre sense

Function overview Applies to: vehicles with Audi pre sense Within the limits of the system, the Audi pre sense functions can initiate measures in certain driving situations to protect the vehicle occupants and other road users. Depending on the vehicle equipment, various Audi pre sense systems may b