GMC Terrain: Vehicle Security / Immobilizer Operation

This vehicle has a passive theft-deterrent system.

The system does not have to be manually armed or disarmed.

The vehicle is automatically immobilized when the transmitter leaves the vehicle.

The immobilization system is disarmed when the ignition is turned on or in ACC/ACCESSORY and a valid Remote Keyless Entry (RKE) transmitter is in the vehicle.

GMC Terrain. Immobilizer Operation

The security light, in the instrument cluster, comes on if there is a problem with arming or disarming the theft-deterrent system.

The system has one or more RKE transmitters matched to an immobilizer control unit in your vehicle. Only a correctly matched RKE transmitter will start the vehicle. If the transmitter is ever damaged, you may not be able to start your vehicle.

When trying to start the vehicle, the security light may come on briefly when the ignition is turned on.

If the engine does not start and the security light stays on, there is a problem with the system. Turn the ignition off and try again.

If the ignition will not change from off to on or ACC/ACCESSORY, and the RKE transmitter appears to be undamaged, try another transmitter. Or, you may try placing the transmitter in the cupholder in the center console.

If the ignition mode will not change with the other transmitter or with the transmitter in the cupholder, your vehicle needs service. If the ignition does change modes, the first transmitter may be faulty. See your dealer who can service the theft-deterrent system and have a new RKE transmitter programmed to the vehicle.

It is possible for the immobilizer system to learn new or replacement RKE transmitters. Up to eight transmitters can be programmed to the vehicle. To program additional transmitters, see “Programming Transmitters to the Vehicle” under Remote Keyless Entry (RKE) System Operation.

Do not leave the transmitter or device that disarms or deactivates the theft-deterrent system in the vehicle.

    Vehicle Alarm System

    This vehicle has an anti-theft alarm system. The indicator light, on the instrument panel near the windshield, indicates the status of the system: Off : Alarm system is disarmed...

    Exterior Mirrors

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