Add-on Electrical Equipment

The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

    See also:

    Highway Hypnosis
    Always be alert and pay attention to your surroundings while driving. If you become tired or sleepy, find a safe place to park the vehicle and rest. Other driving tips include: - Keep the veh ...

    Adaptive cruise control
    The XLR will be among the first vehicles with adaptive cruise control (ACC). While not a substitute for full driver attention, this system greatly expands the convenience of cruise control. ACC us ...

    Playing a CD
    Selecting a CD Track Tracks can be selected using the seek buttons, TUNE/TONE knob, or MENU/SELECT knob. To use the seek buttons: Press to go to the start of the current track, if more than ...