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 on page 9‑112. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

    See also:

    Traction Control System (TCS)/StabiliTrak® Light
    The StabiliTrak system or the Traction Control System (TCS) indicator/warning light comes on briefly when the engine is started. If the light does not come on, have the vehicle serviced by your ...

    TPMS Malfunction Light and Message
    The TPMS will not function properly if one or more of the TPMS sensors are missing or inoperable. When the system detects a malfunction, the low tire pressure warning light flashes for about one minut ...

    Dome Lamps
    There are front and rear dome lamps. The dome lamp controls are located in the overhead console. To change the settings, press the following: (Dome Lamp Override): Turns the lamps off, even whe ...