Battery

Battery

Removing






- Switch off ignition and remove ignition key.

- Remove luggage compartment floor cover.

- Release clips - arrows - and remove cover from negative terminal.

• If the battery negative terminal cover is under the rear lid trim, trim must be removed.

- Connect the battery charger for battery assistance mode. Refer to => [ Battery, Preparing for Support Mode ] Battery, Preparing for Support Mode.

- Loosen nut - 2 - a few turns and remove ground wire terminal clamp from battery terminal.






- Loosen nut - 1 - a few turns and remove positive wire terminal clamp with main fuse box from battery terminal.

- Disconnect central gas venting system hose - 3 -.

- Remove the screw - 5 - at battery bracket - 4 -.

- Remove battery from battery mount.

- Lift battery out of right luggage compartment.

Pollution risk.

• Battery and sulfuric acid disposal regulations must be followed when disposing of batteries.

Installing

• Tightening specifications, refer to => [ Battery Overview ] Battery Overview.

• Only maintenance-free batteries conforming to standards "TL82506" (as of December 1997) and "VW75073" (as of August 2001) may be installed.

• If the vehicle was originally equipped with a deep cycle resistant and leak-proof AGM battery, another AGM battery must be installed when replacing.

• Batteries from the Audi Parts Program have a bottom strip-adapter for adapting to different grip channels. Whether and how bottom strip-adapter is used, refer to operating instructions for battery.

- Insert battery in battery mount so that base strip engages in battery mount retaining strips - arrows -.






• It should no longer be possible to move the battery.

- Attach battery bracket.






• Lug at battery bracket must engage in recess at battery base strip.

- Tighten nut - 5 - for battery bracket - 4 -.

- Connect central venting system hose - 3 - while observing notes.

With ignition switched off and electrical consumers switched off, connect battery in the following sequence:

- Connect positive cable terminal clamp - 1 - by hand to battery positive terminal "+" and tighten nut.

- Connect pole shoe - 2 - of ground cable by hand to battery negative terminal "-" and tighten nut.

- Check battery after installation for secure seating.

When the battery is connected, the following steps must be performed:

• Activate the power window regulator one-touch up/down function. Refer to the Owner's Manual.

• Synchronize secondary and additional keys to ensure remote control operation. To do so, insert key into ignition lock, switch the ignition on and off again and remove key.

• Check DTC memories of all control modules and erase "Undervoltage" DTC if necessary using Vehicle diagnostic tester.

• After connecting the power supply, the ABS warning lamp may only go out after the vehicle has been driven a few yards.