Arming the System

To arm the system, do one of the following:

○ Press ○ Lock the vehicle using the key in the driver door. on the RKE transmitter.

○ Lock the vehicle using the key in the driver door.

The alarm automatically arms after about 30 seconds. The security light, located on the instrument panel, flashes.

Press open the liftgate without setting off the alarm. The system rearms when the liftgate on the RKE transmitter to open the liftgate without setting off the alarm. The system rearms when the liftgate is closed.

    See also:

    Engine Oil
    For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement. To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these si ...

    Testing the Alarm
    To test the alarm: 1. From inside the vehicle, lower the driver side window, and open the driver door. 2. Press . 3. Get out of the vehicle, close the door, and wait for the security light to go ou ...

    Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
    To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...