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Hi I have 2021 trailblazer, there is theft deterrent system on the dash and I have push button dose anyone know how to get rid of the light without going to the dealership, thanks.
 

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does the car start? If the transmitter is damaged or has low battery then it might not recognize the key fob, try a different key fob and/or try placing the key fob in the transmitter pocket.
If the car does start and the light stays on then the manual indicates an issue with the theft deterrent system and it will need to be serviced by the dealer.
 
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