OEM key used in Cadillac CTS 2008-2013 models
Part Numbers : GM Part#: 22856930. NBG009768T, 5FA009768-87
( and similar, like 22856929, 20814369, 20762973, 20864935 for example ).
SmartKey with Comfort Access ( Keyless Entry + Keyless Start ).
Remote Control frequency : 315MHz.
Transponder chip : PCF7952 MCU.
