When your 2001 Audit TT battery dies, you'll need to replace it to keep your vehicle running. You can jump the battery using another vehicle and jump leads; however, this is only a temporary fix, and the battery will soon die again. Audi TT batteries weigh between 13.6 and 22.7 Kilogram, so before you attempt replacing the battery yourself, make sure you can lift the battery without hurting yourself. You will know the battery has died in your Audi TT when you attempt to start the vehicle and you hearing a clicking noise; another sign is when your lights and radio do not work. Once you've purchased a new battery at your local auto parts store, replacement will only takes a few minutes.
Turn the Audi TT off and allow the vehicle and its components to cool for a half-hour. This prevents the components under the hood from being too hot to touch and causing serious burns.
Open the bonnet of the Audit TT by pulling the hood release lever, under the steering wheel. Locate the battery under the hood.
Use a combination wrench to loosen the nut securing the black cable first. Remove the cable from the battery and place to the side. Loosen the nut for the red cable, remove and place to the side. The black cable is the negative cable; the red is the positive cable.
Remove the battery from the battery tray. The battery will be heavy, so be careful not to drop it and injure yourself. Dispose of the battery per your local county regulations.
Clean the battery tray using a wire brush and rag; this removes all debris and corrosion. Your Audi TT is now ready for a new battery or other necessary maintenance.