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:

    Checking Things Under the Hood
    WARNING: An electric fan under the hood can start up and injure you even when the engine is not running. Keep hands, clothing, and tools away from any underhood electric fan. WARNING: Things t ...

    Clock
    The infotainment system controls are used to access the time and date settings through the menu system. See Operation  for information about how to use the menu system. Setting the Time and Date ...

    Halogen Bulbs
    WARNING Halogen bulbs have pressurized gas inside and can burst if you drop or scratch the bulb. You or others could be injured. Be sure to read and follow the instructions on the bulb package. ...