GM Uncut Transponder Chip Key Blank B112-PT for 2003-2007 Cadillac CTS

 Works for GM Part Numbers: 12450813 692139 B112-PT B112PT   Transponder Chip ID:  Megamos ID 48 GM Keyway:  B86  Self-Programming:  After the blade has been cut to your vehicle by a professional, some vehicles allow you to program this key by yourself.  Please pay attention to the vehicle compatibility chart below for which vehicles have self-programming instructions.  The instructions will be included with your order. If you have at least one working key, the instructions will take a few minutes.  If you do not have any working keys, the instructions will take about 30 minutes.  About this key:  This key contains a 100% OEM General Motors transponder chip.  Will this key work for my vehicle? To verify that this is the correct transponder chip key for your vehicle, compare it to your existing key and verify this information: 1. The key blade has the same grooves as the key you have already. 2. Your original key has a PK3+ stamp on the metal key-blade jus