Cadillac 2009 CTS - Manual (Page 90)

6. Place the new transmitter into the transmitter
pocket with the 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. A beep sounds once the transmitter is programmed.
The DIC displays Ready To Learn Electronic Key #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 K on the keyless access transmitter
two times.
10. To program additional transmitters, repeat Steps 6
through 9.
Programming without a Recognized
Transmitter
United States owners are permitted to program a new
transmitter to their vehicle when a recognized transmitter
is not available. The Canadian immobilizer standard
requires that Canadian owners see their dealer/retailer
for programming new transmitters when two recognized
transmitters are not available.
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