Audi Q7: Electrical System

 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.  

 Immobilizer

General Information The anti-theft immobilizer system control module can depending on the vehicle be integrated in the following systems: Instrument Cluster Control Module -J285- Comfort System Central Control Module -J393- Access/Start Authorization Control Module -J518- Additionally dependin