Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
IF this is the Factory AlarmBe sure Battery is FULLY Charged
.To disarm the CTD system in standby mode, perform one of the following:Press either power door unlock switch.Press the UNLOCK button on the keyless entry transmitter.Insert a valid key into the ignition and switch to the ON position.To disarm the CTD system in the armed mode (non-event) or when activated (during an alarm event): Press the UNLOCK button on the keyless entry transmitter.
ORLeave Vehicle "UNDISTURBED" for at least 15 minutesUnlock Vehicle with Remote
orTurn Ignition Swuitch ON.IF NONE of the above work, then use of GM Dealer Scan Tool is needed to RESET & Program
apprx 1 hour labor
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