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Automatic Headlights won't shut off
#1
Driver
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Join Date: Jun 2007
Location: Sacramento, California
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Anyone else ever have this problem before in a 2006 GS??? For the past few days my automatic headlights won't shut off automatically after I get out of the car. It just killed my battery while I was at the theater watching a movie. It won't even shut off the lights after I hit the lock button twice on my remote. I have to go back in the car and switch it off from the light switch.
Not sure if this is related in any ways but one of my tire pressure sensors is bad and the warning light is on in the gauge cluster. The tire pressure warning light is on and on the LCD screen it says "Check System" with the tire pressure warning icon next to it.
It seems like both these problems just started a few days ago.
Not sure if this is related in any ways but one of my tire pressure sensors is bad and the warning light is on in the gauge cluster. The tire pressure warning light is on and on the LCD screen it says "Check System" with the tire pressure warning icon next to it.
It seems like both these problems just started a few days ago.
#2
Instructor
iTrader: (1)
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Only way I can think of why it will do that is if a door is left open, or you get out of the car, reach in the car and turn it off without opening the drivers side door after the car is off and then closing the window from inside (in the 43 second period the car gives you after you turn it off) or you get out, you close your door and the passenger hits the button to turn off the car and gets out and locks it. When you turn off the car, the drivers door must be opened from the inside and then closed then the car must be locked for the auto lights to shut off after the set time or immediately after you hit the lock button twice.
Just trying to guess at some possibilities... are any of those possible?
-Joe
Just trying to guess at some possibilities... are any of those possible?
-Joe
#5
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There are probalbly 2 photo sensors (light detectors) in the car for redundency try locating them and see if you could manually make the interior lights dim. I suspect the photo lenses in the vehicle are faulty or deteriorating thus causing your lights to be on.
#6
Instructor
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And the light sensor on our dash is the one that controls when the headlights go on and off and the dimming of panel brightness. http://drivers.lexus.com/t3Portal/do.../sec_02-03.pdf (Page 2) The one in the rear deck controls the electrochromic speedometer tint, and at night I believe it aids in the measurement of control in conjunction with the rear view mirror for the electrochromic (dimming) rear view and outside side view mirrors. http://drivers.lexus.com/t3Portal/do.../sec_02-02.pdf (Page 3-4)
Just throwing that second bit out there in case anyone was curious.
-Joe
#7
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His issue isn't related to when the car is on, it is when the car is turned off, locked, and walked away from. The lights remain on and don't auto shut off after the specified period of time.
And the light sensor on our dash is the one that controls when the headlights go on and off and the dimming of panel brightness. http://drivers.lexus.com/t3Portal/do.../sec_02-03.pdf (Page 2) The one in the rear deck controls the electrochromic speedometer tint, and at night I believe it aids in the measurement of control in conjunction with the rear view mirror for the electrochromic (dimming) rear view and outside side view mirrors. http://drivers.lexus.com/t3Portal/do.../sec_02-02.pdf (Page 3-4)
Just throwing that second bit out there in case anyone was curious.
-Joe
And the light sensor on our dash is the one that controls when the headlights go on and off and the dimming of panel brightness. http://drivers.lexus.com/t3Portal/do.../sec_02-03.pdf (Page 2) The one in the rear deck controls the electrochromic speedometer tint, and at night I believe it aids in the measurement of control in conjunction with the rear view mirror for the electrochromic (dimming) rear view and outside side view mirrors. http://drivers.lexus.com/t3Portal/do.../sec_02-02.pdf (Page 3-4)
Just throwing that second bit out there in case anyone was curious.
-Joe
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#8
Driver
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i park mine in the garage every night and usually the lights shut off on their own since i have them on auto.. but tonight was the 2nd time it just happened to me within the last 2 weeks where they stayed on.. it has nothing to do with day time/night time sensors or anything like that, nothing to do with locking or unlocking doors since mine is always unlocked and they'll still turn off until recently... has to be a random defect with the controller or module for the headlight auto on/off function itself
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#9
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Vehicle is now at the dealer, I recorded the issue in order to show what's going on. The problem is that it sporadically does it, however at night after a good hour of driving, the issue tends to come up. Dealers usually need to duplicate the problem, which is why I showed them the video. I'll post any solutions.
#10
Driver School Candidate
Join Date: Sep 2012
Location: FL
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At night lights on auto do not shut off. Killed my battery three times. Replaced HID bulbs due to turning off sporadically while driving. Please let me know what dealer says.
#11
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Picked up my vehicle today, here's what got done. "Found left front door courtesy light switch sticking at times and not seeing drivers door opening, causing light to not turn off at times. Rec new courtesy light switch left front door". So that's what got replaced my courtesy light switch, from what I can read the vehicle was never picking up that I had exited it, therefore maintaining the lights on. I' haven't driven the vehicle at night yet but once I do I'll see if the issue has been resolved. All work was under warranty, however the WO states this job (labor and parts) came out to $43.68 that's good news if you have no warranty.
#12
Driver
iTrader: (5)
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Picked up my vehicle today, here's what got done. "Found left front door courtesy light switch sticking at times and not seeing drivers door opening, causing light to not turn off at times. Rec new courtesy light switch left front door". So that's what got replaced my courtesy light switch, from what I can read the vehicle was never picking up that I had exited it, therefore maintaining the lights on. I' haven't driven the vehicle at night yet but once I do I'll see if the issue has been resolved. All work was under warranty, however the WO states this job (labor and parts) came out to $43.68 that's good news if you have no warranty.
#14
Pole Position
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It's the switch, it's held on by one bolt and super easy to take off and replace. Mine sometimes sticks in the closed position... I took it off once to clean and tighten there are two things that can go wrong with it.
1) Bad ground because the bolt is loose or corroded. The bolt, I believe, serves as the ground to the body.
2) The rubber surrounding the switch just gets weird and sticky. If mine don't turn off when I open the door (I had my options changed so lights go off as soon as driver door opens so I could at least know right away if it's sticking or not) then I just reach down and tug on the switch a bit and whenever that happens it just kind of "pops".
I've got to cover the thing in silicone one of these days to see if I can get it to stop sticking but if not then the part is cheap and it will take you all of 2 minutes to replace yourself.
1) Bad ground because the bolt is loose or corroded. The bolt, I believe, serves as the ground to the body.
2) The rubber surrounding the switch just gets weird and sticky. If mine don't turn off when I open the door (I had my options changed so lights go off as soon as driver door opens so I could at least know right away if it's sticking or not) then I just reach down and tug on the switch a bit and whenever that happens it just kind of "pops".
I've got to cover the thing in silicone one of these days to see if I can get it to stop sticking but if not then the part is cheap and it will take you all of 2 minutes to replace yourself.
#15
Driver School Candidate
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thanks for the information as I thought my sensor wasn't working and needed to replace one. so I guess now I will try to fix it myself. thanks again
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