Battery Safety Information

Battery
The battery is one of the most important electrical components in the vehicle. Its proper functioning is a major factor in ensuring customer satisfaction. To guarantee a long service life, the battery must be checked, serviced and maintained.
In addition to its starting function, the battery acts as back-up and supplies power for the entire electrical system.

CAUTION: Before beginning repairs on the electrical system:
- Obtain the anti-theft radio security code.
- Switch the ignition off.
- Disconnect the battery Ground (GND) strap.
- On vehicles equipped with Audi Telematics by OnStar, switch-off the emergency (backup) battery for the Telematic/Telephone Control Module prior to disconnecting vehicle battery.
- After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows according to Owner's Manual.
- After reconnecting vehicle battery on vehicles equipped with Audi Telematics by OnStar,switch-on the emergency (backup) battery for the Telematic/Telephone Control Module.