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:

    TPMS Sensor Matching Process
    Each TPMS sensor has a unique identification code. The identification code needs to be matched to a new tire/wheel position after rotating the vehicle’s tires or replacing one or more of the TPMS se ...

    TTY Users
    OnStar has the ability to communicate to the deaf, hard–of–hearing, or speech–impaired customers while in the vehicle. The available dealer–installed TTY system can provide in-vehicle acces ...

    Using the Tire Sealant and Compressor Kit to Temporarily Seal and Inflate a Punctured Tire
    Follow the directions closely for correct sealant usage. When using the tire sealant and compressor kit during cold temperatures, warm the kit in a heated environment for five minutes. This will ...