Lamp Messages

AFL (ADAPTIVE FORWARD LIGHTING) LAMPS NEED SERVICE

This message displays when the Adaptive Forward Lighting (AFL) system is disabled and needs service. See your dealer.

See Adaptive Forward Lighting (AFL) for more information.

AUTOMATIC LIGHT CONTROL ON

This message is displayed when the exterior lamp control is in AUTO and the lights have turned on.

See Twilight Sentinel.

AUTOMATIC LIGHT CONTROL OFF

This message is displayed when the exterior lamp control is in AUTO and the lights have turned off.

See Twilight Sentinel.

XXX TURN INDICATOR FAILURE

When one of the turn signals is out, this message displays to show which bulb needs to be replaced. See Bulb Replacement and Replacement Bulbs for more information on the turn signal bulb replacement.

TURN SIGNAL ON

This message is displayed if the turn signal has been left on.

Turn off the turn signal.

    See also:

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

    Object Detection System Messages
    PARK ASSIST OFF This message displays when the park assist system has been turned off or when there is a temporary condition causing the system to be disabled. See Ultrasonic Parking Assist. S ...

    Instrument Panel
    A. Air Vents. B. Turn and Lane—Change Lever. See Turn and Lane-Change Signals. Driver Information Center (DIC) Controls. See Driver Information Center (DIC). C. Cruise Control. Hea ...