Reviewed by Shannon Martin, Licensed Insurance Agent.
The 2011 Audi A4 battery location is under the spare tire in the trunk.
To access the battery, you will need to:
Pop the hood
Remove the spare tire
Remove the brackets and vacuum hose for the battery
Install the new part.
Audi battery replacement is a little complicated. You may need to bring the vehicle to a dealership after installing the new battery to get the computer re-coded properly.
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