TOFNK New Uncut Blade Flip Remote Key Shell Keyless Fob Replacement Case 4 Button For Cayenne Produced by high quality material and crafted meticulously This item isn't a remote key, it's just a remote key shell. NO interior (remote/electronics/ignition or transponder chips) unit inside. Cut the blade,take internal electronics (include immobilizer/transponder chip) from original remote and place them to our key shell, then it is OK! There's no programming needed. Pls kindly check out your key button position before buying, make sure your remote key case looks exactly the same with our case.