How to Program a 2008 Cadillac CTS Ignition Smart Chip Key Transponder

Step by Step How to Programming Instructions:

To program spare Intelligent Access Keys, ensure you have two previously programmed keys inside the vehicle and the new unprogrammed keys readily accessible. If two previously programmed keys are unavailable, you’ll need a locksmith to program the spare key(s). Note that a maximum of four Intelligent Access Keys can be programmed to your vehicle. If you want to replace a previously programmed access key with a new one or if you already have four access keys programmed, a locksmith must be engaged. Ensure the vehicle is off before starting this procedure, all doors are closed, and remain closed throughout. Follow the procedure exactly as described below and complete all steps within 30 seconds of starting the sequence. If any steps are performed out of sequence, pause and wait for at least one minute before restarting. Please read and understand the entire procedure before beginning.

1. Place the new unprogrammed Intelligent Access Key inside the glove box pocket.
2. Press the driver or passenger power door unlock control three times.
3. Press and release the brake pedal once.
4. Press the driver or passenger power door lock control three times.
5. Press and release the brake pedal once. The indicator on the Start/Stop button should start to rapidly flash, indicating programming mode has been entered, and two programmed Intelligent Access Keys have been detected in the vehicle.
6. Within one minute, press the start/stop button. If four Intelligent Access Keys have already been programmed, the message “MAX#OFFOBSLEARNED” will be displayed on the message center.
7. Remove from glove box pocket and press the unlock or lock control on the newly programmed Intelligent Access Keys to exit programming mode.
8. Verify that the remote entry functions operate (lock, unlock) and that the vehicle starts with the new Intelligent Access Key. If successfully programmed, the Intelligent Access Key can activate the Intelligent Access with Push Button Start feature and start your vehicle.