Having problems with your 1998 Buick Riviera ?

Headlights stay on too long after engine is off

\015 How do I change the length of time headlights stay on after engine is off?\015 Posted / edited by AnonymousUser on : 13-08-2018

Answers :

It's actually an option called the twilight sentinel. There is a photosensor in the dash that sees how dark it is out and turns on the lights for you without you ever having to touch that knob on the left.
\012The fact that the lights stay on after you shut the car off only when it is dark is again, a safety feature, not a defect. They are on a timer that is adjustable by the slider on the bottom part of the headlight switch.
\012All of this is explained in the owner's manual, and most new cars with keyless entry are this way, at least from GM.
Been working on the same issue for a week. fixed it last night after research and trouble shooting. The head lights are controlled by the head light dial/knob on your dash on the left side of your steering wheel. With the knob pushed in, if you shut down your car, the lights should automatically shut off as well. Mine didnt so what I did was i turned off my car, disconnected the positive battery terminal located inside a fist sized red box on the right side of your engine. Then I took off the dash panels to get to the actual connection on the headlight switch/dial/knob. I disconnected it and put it all back together. It fixed the problem.It worked for me, maybe theres an easier or faster way of fixing it but this worked. Good luck.
Repair Help & Product Troubleshooting for 1998 Buick Riviera

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