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2002 Lightning Lariat SR
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42 Posts
Discussion Starter · #1 ·
Has anyone else experienced this? Twice now my headlights have not “defaulted to automatic” and have remained on after I shut off the vehicle and exit. I’m not talking about the courtesy exterior lighting for a brief period, I’m talking about the actual headlights. I had a waitress come to me in a restaurant last week to tell me she thought I’d left the lights on in my truck. I never even touch the light control knob on the dash (unless I possibly brush against it wiping off the dashboard) and the owner’s manual seems clear that the headlights default to auto every time you start the truck, so I’m baffled.
 

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2021 Mustang Mach E First Edition, 2016 Nissan Leaf, 2003 Toyota Tacoma, F-150 Lightning Lariat ER
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3,789 Posts
Cycle the light switch to on and then off to see if that fixes the issue.
 

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2002 Lightning Lariat SR
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42 Posts
Discussion Starter · #3 ·
Hello and thank you for the reply. Yes I did cycle the light switch and was able to get the headlights to turn off. But then I had to do the same thing a couple days later when it happened a second time. That’s the mysterious part. Anyway, so far it has only happened twice, so I’m in the wait and see mode and hoping that it doesn’t happen any more. 👍
 

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2022 Lightning Lariat Anti-Matter Blue
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26 Posts
I just started getting this issue too. I leave my lights set to Auto but twice now they were changed to a manual setting.

The only thing I can think of that may have caused it was the other day I was work right next to my truck and the lights kept turning on and off because of the key detection. Maybe the truck thought I needed some light to work in the area.

The only other changes is that it has been raining a lot lately.
 

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2002 Lightning Lariat SR
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42 Posts
Discussion Starter · #5 ·
I just started getting this issue too. I leave my lights set to Auto but twice now they were changed to a manual setting.

The only thing I can think of that may have caused it was the other day I was work right next to my truck and the lights kept turning on and off because of the key detection. Maybe the truck thought I needed some light to work in the area.

The only other changes is that it has been raining a lot lately.
It’s only happened to me twice so far. One of the times I was also working close to my truck in my garage and had the lights coming on and off several times, but the second time was after pulling into a restaurant parking lot and going inside to eat, then a waitress came by and said she thought I left my lights on. That was the strange one. Anyway, hasn’t happened since but I don’t know what I did to cause it or to cure it!

I did recently decrease the length of time the lights stay on down to 10 seconds so I can see them shut off before I’m out of sight of the truck.
 
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