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:

    Fixed Mast Antenna
    The fixed mast antenna can withstand most car washes without being damaged. If the mast should ever become slightly bent, straighten it out by hand. If the mast is badly bent, replace it. Check ...

    Passenger Airbag Status Indicator
    The vehicle has a passenger sensing system. See Passenger Sensing System for important safety information. The instrument panel has a passenger airbag status indicator. When the vehicle i ...

    Hitches
    It is important to have the correct hitch equipment. Crosswinds, large trucks going by and rough roads are a few reasons why the right hitch is needed. Here are some rules to follow: • The rea ...