How to Replace the Battery in an Audi A2


1. Open the trunk of your Audi A2. Roll the carpet back out of the way of the trunk floor.
2. Lift the trunk floor and locate the battery. Disconnect the negative battery cable with a wrench. Remove the cable from the battery terminal. Disconnect the positive battery cable using a wrench and remove the cable from the terminal.
3. Remove the bolt from the battery retaining strap with a wrench. Move the strap out of the way and lift the battery out of the compartment. Insert the new battery into the tray in the same position as the one you removed.
4. Reconnect the positive battery cable and tighten the connection with a wrench. Connect the negative battery cable to the terminal and tighten it with a wrench. Replace the retaining strap and tighten it with a wrench.
5. Replace the carpet in the trunk. Close the trunk then start the car to test the new battery.