Battery, Disconnecting and Reconnecting

Battery, Disconnecting And Reconnecting

Should service procedures specify disconnecting and reconnecting the battery, please heed the following CAUTIONS!

CAUTION:
Before beginning repairs on the electrical system:
- Where applicable, obtain anti-theft radio security code.
- Switch off all electrical consumers.
- Switch the ignition off and remove ignition key.
- Disconnect negative (-) battery terminal.
- On vehicles equipped with Audi Telematics by OnStar(R), switch-off the emergency (back- up) 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 Owners Manual.
- After reconnecting vehicle battery on vehicles equipped with Audi Telematics by OnStar(R), switch-on the emergency (back-up) battery for the Telematic/Telephone Control Module.

Battery, disconnecting

Special tools, testers and auxiliary items required







- Torque wrench VAG 133-or (equivalent 5-50 Nm)

- Heed CAUTIONS listed above







- Slide battery cover to right - arrow 1- and lift off - arrow 2- (where applicable).







- Disconnect negative (-) terminal - arrow - from battery post.

Battery, reconnecting
- Reconnect negative (-) terminal to battery post and tighten to specified torque.

The following steps are required after reconnecting battery:

NOTE:
- When reconnecting battery, activate vehicle equipment (radio/radio navigation system, clock, electric window lifters) in accordance with Owners Manual.
- On vehicles equipped with Audi Telematics by OnStar(R), switch on emergency (back-up) battery.
- Further measures after reconnecting the voltage supply.
- Check proper function of remote control keys; adapt keys if necessary. Inform customer that all additional keys must also be adapted to ensure that the remote control works properly Owners Manual.
- After re-connecting battery, the ESP indicator lamp will go out only after driving a distance of several meters.

Tightening torque

Component - fastener Nm
Battery terminal to battery post - nut 6