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:

    XM™ Satellite Radio AntennaSystem
    The XM™ Satellite Radio antenna is located on the roof of your vehicle. Keep this antenna clear of snow and ice build up for clear radio reception. If your vehicle has a sunroof, the performanc ...

    Programming Universal Home Remote — Rolling Code
    For questions or help programming the Universal Home Remote System, call 1-866-572-2728 or go to learcar2u.com. Most garage door openers sold after 1996 are Rolling Code units. Programming a g ...

    Global Positioning System (GPS)
    • Obstruction of the GPS can occur in a large city with tall buildings; in parking garages; around airports; in tunnels, underpasses, or parking garages; or in an area with very dense tr ...