Security

OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotely, if it is equipped with automatic door locks, and can help police locate the vehicle if it is stolen.

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    Playing from the Hard Drive Device
    HDD (Hard Drive Device): Press the HDD button to start playing tracks from the HDD. HDD displays and playback resumes from where it was last stopped. HDD Playback ModeThe infotainment system ...

    Fuel System Messages
    FUEL LEVEL LOW This message displays and a chime sounds if the fuel level is low. Refuel as soon as possible. See Fuel Gauge   and Fuel   for more information. TIGHTEN GAS CAP ...

    Driving on Grades
    Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might get hot and no longer work well. Vehicles can tow ...