3 Buttons Upgraded Modified Smart Remote Key Shell Case Fob For Audi A1 A3 A4 A6 A8 Q2 Q3 Q5 Q7 R3 RS3 RS5 S1 TT Compatible with: - For Audi A1 A3 A4 A6 A8 Q2 Q3 Q5 Q7 R3 RS3 RS5 S1 TT Notice before Purchasing: 1. Please make sure that your own key shell case is exactly the same with ours in the photos, otherwise this product is not a best choice. 2. The key blade needs to be cut at your local dealer or qualified locksmith. 3. All you need to do is to move the internal components from your old remote to our new case. 4. There is No interior (remote / electronics / transponder chips / battery)unit inside. 5. No programming required.