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:

    Engine Compartment Fuse Block
    To remove the fuse block cover, press the three retaining clips on the cover and lift it straight up. Notice: Spilling liquid on any electrical component on the vehicle may damage it. Always keep t ...

    Battery Run-Down Protection
    This feature helps prevent the battery from being drained, if the interior courtesy lamps, reading/map lamps, visor vanity lamps or trunk lamp are accidentally left on. If any of these lamps are ...

    Fuses and Circuit Breakers
    The wiring circuits in the vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of damage caused by electrical problems. ...