Key fob won't start car or open doors. Changed the battery but it still doesn't work.
SOURCE: programming key fob
you need to take it to your chevy dealer so they can get the key code from gm online and the can program it in their shop. call GENERAL TRUCK SALES 800-382-7717
SOURCE: 2008 CTS - Key fob doesn't always open the doors
The battery may need replacing. I've experience the same problem and the battery was the problem. Good luck. Ned
SOURCE: I need to program a key fob for a 2004 Cadillac
Remote Key FOB Information
Transmitter Programming
1. Close all the vehicle doors.
2. Insert the ignition key into the ignition lock cylinder.
3. Press and hold the door unlock switch.
4. While holding the door lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF.
5. Release the door unlock switch. The doors will lock and unlock to confirm the program mode.
6. Press and hold the LOCK button and the UNLOCK button simultaneously on one transmitter. After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the programming of that transmitter.
7. Repeat the previous step to program up to 4 transmitters.
8. Turn the ignition switch to the RUN position in order to exit the keyless entry transmitter programming mode.
9. Operate the transmitter functions in order to verify correct system operatio
SOURCE: Security Systems won't let me start my car
If your car has a chip in the key, then this is the definitive solution: http://newrockies.com/vatsbypass . It was the only thing that saved my Park Avenue.
SOURCE: Cadillac CTS will not start Starting Disabled - Remove Key mess
the first thing is to make sure battery is good, if the computers in car dont have the right voltage the act crazy, they do things like the problem your having,the computer cant operate correctly with half or 3/4s power.start with battery and connection at battery. good luck,
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