Anti-theft Alarm System Messages

SERVICE THEFT DETERRENT SYSTEM

This message displays when there is a problem with the theft-deterrent system. The vehicle may or may not restart so you may want to take the vehicle to your dealer before turning off the engine. See Immobilizer Operation on page 2‑14 for more information.

THEFT ATTEMPTED

This message displays if the content theft-deterrent system has detected a break-in attempt while you were away from your vehicle. See Anti-theft Alarm System on page 2‑13 for more information.

    See also:

    Using ABS
    Do not pump the brakes. Just hold the brake pedal down firmly and let ABS work. You might hear the ABS pump or motor operating and feel the brake pedal pulsate, but this is normal. ...

    Cargo & Towing
    The Yukon Denali is a spacious three-row SUV for people, but that's it. If there are six people and no cargo, the Yukon is a terrific place to be. If you have a lot of cargo — you know, like lug ...

    Connections
    OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar mobile app. See www.onstar.com for coverage map ...