Where is the battery located in an Audi A4?

1 Answers
StJude
07/28/25 5:17pm
For Audi A4 models after 2008, the battery is installed under the spare tire in the trunk. For models before 2008, the battery is located under the pressure compartment cover in the engine bay. Additional steps required when disconnecting the A4 battery are as follows: 1. The automatic window lifters must be reactivated. 2. The ESC warning light and other fault indicators may illuminate on the instrument cluster. After reconnecting power, the ESP warning light will only turn off after driving a few meters. If it remains lit, recalibration of the steering angle sensor is required to restore normal function. 3. Check the fault memory of all control units and delete any low-voltage related fault codes. 4. The vehicle's clock display will reset. Adjust the time to the correct setting through the entertainment system console.
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