Does GM provide optional glass break detectors for their factory installed anti-theft system?

 

that I don't know but for full size trucks you can add the sensor for bumps or kicks to the original alarm system for like $200 that's what I did to my '07 NBS silverado
and that will set the alarm off when a glass breaks no doubt about it
see if that can be done on your truck, you buy the part thru the dealer (or may be ebay) and they install and program, it is seamless
or go after-market

 

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Louis
GM Customer Service

 

i would have to say no. if you call them they might get you to bring it in and have a sub contractor come install something at a much inflated price! look in to your local audio shops you will be surprised as to what a good shop can do!