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Discussion Starter · #1 ·
I have been having this problem with my car. I drive this 2014 Kia Optima Lx. When I turn my headlights on the break light stays on at all times. No matter if I turn them on auto or on they stay on. My break light bulbs keep burning out and I have to replace them every week. It looks like the part where the bulbs goin that socket are burnt. Also when I turn my headlights on the traction control appears and when I turn them off and restart my car it disappears. It only comes on when I turn on my headlights and my car is started. Also on my right side passenger window I cant let it down using the driver side button. I can let it up on that side but I cant let it down, I have to reach over to the passenger side to let it back up. It will operate up and down on the passenger side, but only operate down on the driver side panel. I only drive my car during the daytime because my break lights stay on and people don't know when I'm about to stop. I do not turn them on while I'm driving in the daytime because you are able to see my break lights when I push them to stop. I don't know anything about cars so maybe reading this sounds a bit confusing. If anyone can give me some input please do.
 

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2013 Kia Optima
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587 Posts
I have been having this problem with my car. I drive this 2014 Kia Optima Lx. When I turn my headlights on the break light stays on at all times. No matter if I turn them on auto or on they stay on. My break light bulbs keep burning out and I have to replace them every week. It looks like the part where the bulbs goin that socket are burnt. Also when I turn my headlights on the traction control appears and when I turn them off and restart my car it disappears. It only comes on when I turn on my headlights and my car is started. Also on my right side passenger window I cant let it down using the driver side button. I can let it up on that side but I cant let it down, I have to reach over to the passenger side to let it back up. It will operate up and down on the passenger side, but only operate down on the driver side panel. I only drive my car during the daytime because my break lights stay on and people don't know when I'm about to stop. I do not turn them on while I'm driving in the daytime because you are able to see my break lights when I push them to stop. I don't know anything about cars so maybe reading this sounds a bit confusing. If anyone can give me some input please do.
Sounds like a bad relay.
 

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2011 Kia Optima
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4,414 Posts
Found this:
Switch on your headlamps, then go to the back of the car and see if the brake lights are on. If they are on disconnect the harness connector from each of the rear lamp units while keeping an eye on the high level (3rd) brake light. If the high level brake light switches off when you disconnect one of the lamps you know there is a short circuit between the tail light and brake light circuits within that lamp unit. Which is more than likely going to be caused by a faulty or incorrect bulb.

I'm certain it's not an issue, but make certain bulbs are installed correctly with the side pins in the correct location.

 

· Your K5 Optima Vendor
2019 Stinger GT1
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29,214 Posts
The only halogen bulbs may be low or high beam headlights. All other bulbs are either incandescent or led.
I'm asking the OP if the aftermarket bulbs purchased from Autozone are LED or halogen bulbs.

I am extremely familiar with these vehicles, I've been on the forum here for over 11 years now.
 

· Your K5 Optima Vendor
2019 Stinger GT1
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29,214 Posts
Those bulbs are halogen bulbs
Thank you for confirming. Sometimes when installing aftermarket LED turn signal bulbs or license plate bulbs, when they fail, they cause the vehicles LCM (Lighting Control Module) to act up and it does weird things to some of the other lighting on the vehicle because of it. However, it doesn't sound like you have any aftermarket LEDs on the vehicle, so this would not apply to you.
 

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2013 Kia Optima
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587 Posts
Thank you for confirming. Sometimes when installing aftermarket LED turn signal bulbs or license plate bulbs, when they fail, they cause the vehicles LCM (Lighting Control Module) to act up and it does weird things to some of the other lighting on the vehicle because of it. However, it doesn't sound like you have any aftermarket LEDs on the vehicle, so this would not apply to you.
My break light bulbs keep burning out and I have to replace them every week.
 
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