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:

    Voltmeter Gage
    When your engine is not running, but the ignition is in RUN, this gage shows your battery’s state of charge in DC volts. When the engine is running, the gage shows the condition of the ch ...

    Windshield Wiper/Washer
    The windshield wiper lever is on the side of the steering column. 2: Use for fast wipes. 1: Use for slow wipes. Turn the band up for more frequent wipes or down for less frequent wipes. Us ...

    Care of Safety Belts
    Keep belts clean and dry. WARNING Do not bleach or dye safety belts. It may severely weaken them. In a crash, they might not be able to provide adequate protection. Clean safety belts only with ...