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 OFF

This message displays when the automatic headlamps are turned off.

AUTOMATIC LIGHT CONTROL ON

This message displays when the automatic headlamps are turned on.

TURN SIGNAL ON

This message displays as a reminder to turn off the turn signal if you drive the vehicle for more than about 1.6 km (1 mi) with a turn signal on. A multiple chime sounds when this message displays.

    See also:

    Global Positioning System (GPS)
    The navigation system determines the position of the vehicle by using satellite signals, various vehicle signals, and map data. At times, other interferences such as the satellite condition, road c ...

    Trunk (Sedan, Coupe)
    WARNING! Exhaust gases can enter the vehicle if it is driven with the liftgate or trunk/hatch open, or with any objects that pass through the seal between the body and the trunk/hatch or ...

    Reactivation for Subsequent Owners
    Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and opt ...