Audi A8 / S8- 3+1 Button Flip Remote Key Case3+1 Button Flip Remote Key Case for Audi A8 For: Audi A8 (10. 2003 2009) Audi S8 (10. 2003 2009) Key blade: HU66 It is straight forward to replace the inside of the existing electronics of your remote control to the new key shell. Reprogramming is not necessary! The key shell comes without electronics and transponder The key will be delivered with battery holder Just let the key blade cut at your local locksmith or replace your existing key blade.