Cadillac 2008 CTS - Manual (Page 87)

Matching Transmitter(s) to Your Vehicle
Each Keyless Access System is coded to allow only
transmitters programmed to your vehicle to work.
If a transmitter is lost or stolen, a replacement can be
purchased and programmed through your dealer/retailer.
Your dealer/retailer can reprogram your vehicle so
lost or stolen transmitters no longer work with your
vehicle. Each vehicle can have a maximum of four
transmitters matched to it.
To match a new transmitter to your vehicle when you
have a recognized transmitter, do the following.
Two recognized transmitters are required for Canadian
owners.
1. The vehicle must be off.
2. Have the recognized transmitter and the new,
unrecognized transmitter(s) with you.
3. Insert the vehicle key into the key lock cylinder
located on the outside of the driver’s door.
4. Turn the key to the unlock position five times within
five seconds.
5. The Driver Information Center (DIC) will display
Ready To Learn Electronic Key #X, where X can
be 2, 3 or 4.
6. 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.
7. Once the transmitter is programmed, a beep will
sound. The DIC will display Ready To Learn
Electronic Key #X, where X can be 3 or 4, or
Maximum # Electronic Keys Learned.
8. Press the ignition control knob to exit
programming mode.
9. Remove the transmitter from the transmitter pocket
and press the unlock button on the keyless access
transmitter two times.
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