2007 Cadillac STS Owner's Manual - Page 92

The procedure will require three, ten minute cycles to complete the matching process. Do the following: 1. The vehicle must be off. 2. Place the new, unrecognized transmitter into the transmitter pocket with the transmitter buttons facing the front of the vehicle. The transmitter pocket is inside the center console storage area located between the driver and front passenger seats. 3. Insert the vehicle key into the key lock cylinder located on the driver's door. 92