This is how to program the 2006 and 2007 Cadillac DTS remote fob key yourself at home:
1. Switch ignition ON
2. Repeatedly press vehicle information button until “PRESS TO RELEARN REMOTE KEY” is displayed
3. Press set/reset button until “REMOTE KEY LEARNING ACTIVE” is displayed
**Programming mode is now activated… proceed as follows:
4. Press and hold lock and unlock on the first remote transmitter simultaneously for about 15 seconds
Wait until acoustic signal is emitted, indicating remote is programmed
5. Repeat step 4 for any additional remotes you have that need programming or to retain programming.
6. Switch ignition off
** You can have up to 8 remotes on one car!
THERE IS ALSO A TUTORIAL VIDEO BELOW TO SHOW YOU HOW EASY THE PROGRAMMING IS DONE