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:

    Tire Sealant and Compressor Kit
    WARNING! Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine exhaust may enter the vehicle. Engine exhaust contains carbon monoxide (CO) which cannot be seen or ...

    Using the Tire Sealant and Compressor Kit without Sealant to Inflate a Tire (Not Punctured)
    To use the air compressor to inflate a tire with air only and not sealant: If a tire goes flat, avoid further tire and wheel damage by driving slowly to a level place. Turn on the hazard wa ...

    Calibrate Compass
    The vehicle may have this feature. The compass can be manually calibrated. To calibrate the compass through the DIC, see Compass. ...