Gmc Theft Attempted Message - I went outside on both occasions and nothing is visible that. The the theft light in the dash stays on, and it displays service theft deterrent system, theft. Web #1 · jul 1, 2016. Web autostarted the truck this morning, went out 5 minutes later to it not running, and when i hit unlock, it beeped 3 times. Web she used a key that was cut to fit, but will not start the car. My 2012 cts has started honking the horn for a few seconds the past 2 nights in my driveway. I then noticed the message on the screen.
My 2012 cts has started honking the horn for a few seconds the past 2 nights in my driveway. Web autostarted the truck this morning, went out 5 minutes later to it not running, and when i hit unlock, it beeped 3 times. The the theft light in the dash stays on, and it displays service theft deterrent system, theft. Web #1 · jul 1, 2016. I went outside on both occasions and nothing is visible that. I then noticed the message on the screen. Web she used a key that was cut to fit, but will not start the car.