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:

    Head Restraints
    The vehicle’s front seats have adjustable head restraints in the outboard seating positions. WARNING: With head restraints that are not installed and adjusted properly, there is a greater chan ...

    Maintenance When Trailer Towing
    The vehicle needs service more often when pulling a trailer. See Scheduled Maintenance for more information. Things that are especially important in trailer operation are automatic transmission ...

    Headlamp Aiming
    The vehicle has a visual optical headlamp aiming system. The aim of the headlamps have been preset at the factory and should need no further adjustment. However, if the vehicle is damaged in a cr ...