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 on page 9‑112. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

    See also:

    Safety Belts
    Safety Belts Refer to the following sections for important information on how to use safety belts properly. • Safety Belts on page 3‑12. • How to Wear Safety Belts Properly on page 3& ...

    Trailer Wiring Harness
    The vehicle is equipped with one of the following wiring harnesses for towing a trailer or hauling a slide-in camper. ...

    Selecting the Right Engine Oil
    Selecting the right engine oil depends on both the proper oil specification and viscosity grade. See Recommended Fluids and Lubricants on page 11‑12. Specification Use and ask for licensed en ...