Buick Regal Owners & Service Manuals

Buick Regal: Automatic Headlamp System

When the exterior lamp control is set to AUTO and it is dark enough outside, the headlamps come on automatically.

There is a light sensor on top of the

There is a light sensor on top of the instrument panel. Do not cover the sensor; otherwise the headlamps will come on when they are not needed.

The system may also turn on the headlamps when driving through a parking garage or tunnel.

When it is bright enough outside, the headlamps will turn off or may change to Daytime Running Lamps (DRL).

The automatic headlamp system turns off when the exterior lamp control is turned to ignition or the ignition is off.

Adaptive Forward Lighting (AFL)

If equipped, the AFL pivots the headlamps horizontally to provide greater road illumination while turning. To enable AFL, set the exterior lamp control to the AUTO position. Moving the switch out of the AUTO position deactivates the system. AFL operates when the vehicle speed is greater than 3 km/h (2 mph). AFL does not operate when the transmission is in R (Reverse). AFL is not immediately operable after starting the vehicle; driving a short distance is required to calibrate the AFL.

LED Headlamp System

This system automatically controls the LED headlamps light intensity and distribution based on the lighting condition, road type, and driving situation. The vehicle adapts the headlamps automatically to enable optimal lighting while driving.

The Intelligent Light Distribution feature can be enabled or disabled.

The following lighting functions are available when the exterior lamp control is in the AUTO or position. position.

Curve Lighting

Certain LEDs turn on automatically to improve lighting in curves. This is based on the steering wheel position and vehicle speeds from 40 km/h (25 mph) to 70 km/h (43 mph).

Corner Lighting

If equipped with cornering lamps, certain LEDs automatically come on when all of the following occur:

  • The turn signals are activated or the steering wheel is at a calibrated angle.
  • The vehicle is traveling up to a speed of 40 km/h (25 mph).


     Hazard Warning Flashers

    : Press to make the front and rear turn signal lamps flash on and off. Press again to turn the flashers off. The hazard warning flashers turn on automatically if the airbags deploy. Turn and Lane-Ch

     Interior Lighting

    Instrument Panel Illumination Control The brightness of the instrument cluster display, infotainment display and controls, steering wheel controls, and all other illuminated controls, as well as feat

     Lighting Features

    Entry Lighting Some exterior lamps and most of the interior lamps turn on briefly at night or in areas with limited lighting when the Remote Keyless Entry (RKE) transmitter button is pressed. After


     Lockout Protection

    When locking is requested with the driver door open and the vehicle is on or in ACC/ACCESSORY, all the doors will lock and then the driver door will unlock. If the vehicle is off and locking is requested while a door is open, when all doors are closed the vehicle will check for RKE transmitters ins

     Rear Window Wiper/ Washer

    If equipped, the ignition must be on or in ACC/ACCESSORY to operate the rear window wiper/washer. Turn the end of the windshield wiper lever to operate the rear window wiper/washer. OFF : Turns the system off. INT : Intermittent wipes. ON : Slow wipes. : Push the windshield wiper lever forward

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