There are 2 different procedures for 2008-2010 Cadillac CTS and DTS. 2011 and newer vehicles must be programmed by a professional automotive locksmith or dealership.
PROCEDURE #1
This procedure is for vehicles with the driver information center. It will be a button to the right of the steering wheel, with a vehicle icon and the letter i.
1.Insert key and switch the ignition ON (just shy of starting vehicle without cranking engine)
2. Press vehicle information button until PRESS TO RELEARN REMOTE KEY is displayed.
3. Press the set/reset button (button will have a checkmark) until REMOTE KEY LEARNING ACTIVE is displayed. Vehicle is now in programming mode.
4. Press and hold LOCK and UNLOCK buttons at the same time on first remote for approximately 15 seconds. An acoustic signal will be heard indicating successful programming.
5. Repeat step 4. to program additional remotes. You can have up to 8 programmed remotes for this vehicle. You must program ALL remotes including existing remotes.
6. To exit programming mode turn ignition OFF, remove key and test all remotes.
PROCEDURE #2
This procedure is for vehicles without the drivers information center.
1. Insert key into the ignition and turn to ON (Just shy of starting vehicle without cranking engine).
2. Press the trip odometer reset button until RELEARN REMOTE KEY is displayed.
3. Press and hold the trip odometer reset button for approximately 3 seconds until REMOTE KEY LEARNING ACTIVE displays.
4. Press and hold LOCK and UNLOCK buttons at the same time on first remote for approximately 15 seconds. An acoustic signal will be heard indicating successful programming.
5. Repeat step 4. to program additional remotes. You can have up to 8 programmed remotes for this vehicle. You must program ALL remotes including existing remotes.
6. To exit programming mode turn ignition OFF, remove key and test all remotes.
Procedure for 08-10 Cadillac STS. 2011 and newer vehicles must be programmed by a professional automotive locksmith or dealership.
Obtain all remote transmitters for this vehicle.
1. Start with vehicle off and key out of ignition.
2. Place a currently functioning remote as well as the new remote inside the cabin of the vehicle.
3. Insert key into driver's door lock cylinder and cycle the lock cylinder to UNLOCK 5 times in 5 seconds. READY FOR FOB #X (X will be remote 2, 3, or 4) will be displayed on the DIC (Driver Information Center).
4. Locate the remote pocket in the center console between the driver and passenger seats. Place the new, unprogrammed remote in the pocket in the center console with the buttons facing forward.
5. When the programming is complete you will hear an audible tone. READY FOR FOB #X or MAX # FOBS LEARNED will now be displayed on the DIC.
6. Remove first remote that was programmed and place next remote to be programmed in the remote pocket.
7. Once all remotes have been programmed in the pocket you can exit program mode and test all remotes for proper programming.
NOTE: When programming remotes with a remote start function, you must idle the vehicle for 20 to 30 minutes and leave the remotes in programming pocket.
