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43 Posts
I think the OP does have cruise control and the LT models can have cruise, it can easily be added as a accessory. The only way they could of done something was if they reprogrammed the bcm (body control module) as when you are programming it you can select if the vehicle has cruise or no cruise. IMOP they should of never of tried to disable a aftermarket alarm system since GM programming can no change anything in a aftermarket system. I would just kindly ask another dealer to take a look and see if they programmed the BCM wrong and if they have any clue on what they are doing they will be able to know quite easily.
