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What does the AFL warning light mean in Cadillac maintenance?

4 Answers
VanKaleb
08/31/25 4:12am

AFL stands for Adaptive Front Lighting. When the maintenance warning appears, it usually occurs during U-turns or sharp turns when the steering wheel is turned to full lock (with automatic turn signal activation) for more than a few seconds. Occasionally, this warning may appear, but simply restarting the vehicle should resolve it, so there's no need for excessive concern. If restarting doesn't work, there might be an issue with the sensors or other components, and it's recommended to visit a 4S dealership or repair shop for inspection. Below are some driving precautions: 1. Check mirrors: Always use turn signals and decelerate when turning or changing lanes. Before turning, check the rearview mirrors - left turns mainly require checking the left mirror, right turns the right mirror, and both directions require checking the interior rearview mirror. 2. Avoid fixating on the front of the car: When driving on clear roads, keep your gaze level looking about 100 meters ahead, not focused on the immediate front of the vehicle. 3. Clutch operation: When decelerating at speeds above 40 km/h, there's no need to press the clutch immediately; wait until the speed drops to about 20 km/h before engaging the clutch. 4. Steering: Use slower steering movements for high-speed turns and quicker steering for low-speed maneuvers.

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DelDerek
09/12/25 7:29am

As a veteran mechanic with over a decade of experience, I can tell you that when the AFL warning light comes on in a Cadillac, it indicates a malfunction in the Adaptive Forward Lighting system. AFL stands for Adaptive Front-lighting Technology, which automatically adjusts the headlight beam direction based on your steering angle to improve visibility around curves. The illuminated warning light signals a system issue, with potential causes including faulty steering angle sensors, damaged control modules, or signal interruption due to bulb aging. In Cadillacs, this system is integrated with the electronic power steering system, and common problems involve sensors covered in mud/water or loose wiring. Having handled numerous similar cases myself, I strongly advise against ignoring this issue - when malfunctioning, the headlights won't adjust with steering, significantly increasing nighttime driving risks in curves. Immediately visit a dealership or professional repair shop to connect diagnostic scanners and identify the root cause through trouble codes. For maintenance, keep the headlight area clean and prevent water accumulation that accelerates aging, but complex issues ultimately require professional diagnostic tools for resolution.

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OCecilia
10/26/25 8:21am

I've been driving my Cadillac CT6 for almost three years now, and last month, the 'Service AFL' light suddenly popped up on the dashboard, which really gave me a scare. After checking the manual, I learned that AFL stands for Adaptive Front Lighting System, and the light indicates a malfunction in that advanced feature. In my car, the issue manifested as the headlights not automatically adjusting when turning, making blind spots feel larger. A trip to the repair shop revealed that a burnt-out bulb was affecting the signal. Simply put, the headlights couldn't intelligently follow the steering wheel's movement anymore, which also involves issues with the steering sensor or relay. As a car owner, I urge everyone to address this immediately, especially since driving at night poses higher risks—don't wait until an accident happens. Now, I make it a habit to regularly check the front bulbs and clean the sensors to prevent minor issues from snowballing into major problems, saving both money and ensuring safety. If the light comes on, don’t panic right away—try restarting the car or checking for loose connections yourself, but for more complex issues, it’s always best to consult a technician.

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DelGage
12/09/25 8:40am

As someone who prioritizes safe driving, I must emphasize that when the AFL warning light illuminates in a Cadillac, it directly indicates a malfunction in the Adaptive Front Lighting System. This is a critical issue that should not be overlooked. It signals that the headlights are unable to adjust in response to steering inputs, which can significantly reduce visibility during turns on dark roads and increase the risk of accidents. Common causes include sensor misreading, control unit errors, or electrical circuit abnormalities. My advice is to pull over immediately and inspect the system when this light appears to ensure nighttime driving safety. A simple initial step is to clean any dust from the headlight area, but if the issue persists, professional repair is necessary. Don't let this compromise your driving visibility.

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