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:

    Fuel Gage
    The fuel gage shows about how much fuel is in the tank. An arrow on the fuel gage indicates the side of the vehicle the fuel door is on. The gage works only when the ignition is on. When the i ...

    Safety Belt Extender
    If the vehicle’s safety belt will fasten around you, you should use it. But if a safety belt is not long enough, your dealer/retailer will order you an extender. When you go in to order it, t ...

    Replacing Airbag System Parts after a Crash
    WARNING A crash can damage the airbag systems in the vehicle. A damaged airbag system may not work properly and may not protect you and your passenger(s) in a crash, resulting in serious injury o ...