To disarm the alarm system or turn off the alarm if it has been activated:
on the RKE
transmitter.To avoid setting off the alarm by accident:
Unlocking the driver door with the key will not disarm the system or turn off the alarm.
How to Detect a Tamper Condition
If
is pressed on the RKE
transmitter and the horn chirps and
the lights flash three times, an alarm
occurred previously while the alarm
system was armed.
If the alarm has been activated, a message will appear on the DIC.
Immobilizer
See Radio Frequency Statement.
Arming the Alarm System
Immobilizer OperationData Link Communications Description and Operation
Note:This is an overview of different serial data buses used by GM devices to communicatewith each others. UseData Communication Schematicsto find out which serial data buses are configured for a specific vehicle.Circuit DescriptionThere are many components in a vehicle that rely on information from ...