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headlights

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How to Use Car Headlights
Headlights are not only an important safety component on your vehicle, but also a feature that you are legally obligated to use. Failure to use your headlights while driving at night comes...
Symptoms of a Bad or Failing Headlight Switch
If the high beams, daytime running lights, or headlamps are not working consistently, you may need to replace the headlight switch.
How to Install Offroad Lights on Your Vehicle
When you’re pounding through backcountry trails after the sun goes down, you need more than just your headlights to illuminate the road ahead of you. Offroad lights...
How to Replace a Headlight That Has Burned Out
From time to time, some parts on your car may need to be replaced, and that includes the bulbs in the headlights. While you may...
How Long Does a Headlight Bulb Last?
With all of the different relays that are on a car, it can feel like a full-time job keeping up with them all. One of the most important safety features that a...
How Long Does a Headlight Closure Relay Last?
With all of the different relays that are on a car, it can feel like a full-time job keeping up with them all. One of the most important safety features that...
How to Clean and Restore Headlights
Even owners who regularly clean and maintain their vehicles are not immune to wear on their headlights. As the vast majority of headlights are made of plastic, they require...
How Long Does a Headlamp Dimmer Switch Last?
Most drivers neglect to realize just how many systems have to work together to make driving at night possible. Among the most important things that you will have to possess when...
Car Hacks That Will Change Your Life
Simplify your drive with these car hacks: use a shoe as a cupholder, put a stocking on a windshield wiper, and prevent door dings with pool noodles.
How to Add Headlight Covers
A current trend in the automotive industry is to blackout a vehicle. That includes tinting the windows dark, installing black nameplates and emblems, black rims, and black tinted light...
How to Adjust Your Headlights
If you have ever cursed an oncoming driver because their lights were blinding you, or noticed that your lights tend to illuminate the tops of roadside trees instead of the road,...
How to Clean Headlight Covers
When your headlights become foggy, you can’t see as well at night and others aren’t able to see you as clearly or as far away. Cleaning them ensures your lights are bright...
What Does the Adaptive Lighting Indicator Warning Light Mean?
The adaptive lighting warning light means there is an issue with the automatic function for the front car headlights, which could be caused by dirt.
How to Use Your Car Lights to Stay Safe and Legal
s various lights in appropriate situations, makes driving safer for you, your passengers, and other drivers. In addition...
How Long Does a Headlight Door Motor Last?
Making sure that all of the systems on a car stay in good shape is not an easy job. There are a number of systems on a car that are built to ensure that you stay safe while...
What Do the Headlight Indicators Mean?
Headlight indicators help you know if your headlights, taillights, and high beams are on for your car.
How Headlights Are Tested and How Yours Can Be Improved
According to the Insurance Institute for Highway Safety (IIHS), about half of fatal roadway crashes happen in the dark, with about a quarter of...
How to Replace the Headlights on a Toyota Prius
Your headlights are one of the most important safety components for your car. A broken headlight bulb can endanger yourself and others on the road.
How to Replace a Headlight Closure Relay
Your headlights depend on the headlight relay located in your vehicle’s fuse box. Occasionally these relays need to be replaced.

Related questions

Question
Are black headlights illegal in Utah?
Hello. Unfortunately Utah is going to be upset with dark headlamps. You can see on the state administrative website,that any colored headlights are for vanity only. They do not want to see any other color besides what they call "factory...
Question
When I am braking the headlights and taillights blink.
Hi there. There could be a short in the brake light switch causing the lights to flicker. Check the circuits in the brake light circuit to find a short to ground. Look for any wires that are fused to other...
Question
2004 Tahoe turn signal on and the headlights blink also.
Hi there. Check to see where you have grounded the wires to the lights on the front of the vehicle. It sounds like that all of the lights are being grounded on the same terminal. This is why the headlights...
Question
I need to figure out what headlight bulbs are needed for a 2016 ford Taurus
Hi there. When purchasing light bulbs for the headlights low and high beams, look at the old bulb and compare it to the new bulb. The part numbers do not need to match, such as, getting a bulb from a...
Question
headlight out
Driving with [one headlight out(]https://www.yourmechanic.com/services/headlight-is-not-working-inspection) is illegal in most states and you will want to fix this asap. Due to the lights working on one side, we know that power is making it through the switch and onto the bulbs....
Question
Headlights
Hello. Your issue may be caused by one of several factors. The typical issues like this with the headlights pertain to a bad relay, connection, socket, or dimmer switch if equipped. If you have a voltmeter, you can track down...
Question
Tail light out and rear blinker
Hello. You may be facing more than one issue at the same time, due to all of these being related to a different system. One of the only components that can effect all of these systems is the ground connections....
Question
Passanger side low beam doesnt work
Hello. Thank you for writing in. You are correct, the bulb has likely gone bad and simply needs to be replaced. When you access and remove the bulb, check it for a broken filament or black burn marks. These are...
Question
Is it legal to have a clear yellow sticker over a headlight or fog light?
Headlight covers are legal, as long as the amount of light that gets through meets state requirements. Each state has its own requirements, so you will need to contact your state police or highway patrol to know for sure. Local...
Question
Voltage drop noticed during night driving. The headlights dim and then return to normal.
This may be a sign of a failing voltage regulator or potentially a bad ground connection. As you may know, the voltage regulator regulates the charging of the battery by the alternator. When the voltage regulator is not working properly,...
Question
Headlights randomly turn on at night.
Hello. Thank you for writing in. In order to diagnose this you may need to catch it while its happening (or replicate it and make it happen), and be ready to do some tests. You will want to start at...
Question
Right low beam malfunction
Your car will test all the light circuits when you start the car and will let you know when there is a problem. Your low beam headlight is out due to a bad bulb and I would recommend replacing both...
Question
Left turn signal malfunction.
Check the bulb contacts, front and rear, and just make sure there is no obvious corrosion. Check the headlight harness connection to the headlight bulbs as well. From what you are describing, there is some sort of short or voltage...
Question
07 BMW 328xi pre LCI, HID Conversion causing lamp errors and red car on lift notification
It's getting harder and harder to do modifications to a car, even minor ones without causing other issues. The lighting module is clearly not seeing the levels that it expects to see when it powers up the lights. Many accessory...
Question
I got a alternator replaced on my car and now the Check Engine Light is on with the Battery Light. My headlights are still blinking.
Hi and thanks for contacting YourMechanic. This sounds like there is a loose ground or a wire was not hooked up to the alternator correctly. Check all of the wiring when that was removed when the alternator and battery was...
Question
Pulled over for green headlights?
Basically, only headlights that emit "white" light are legal for use on public roads in the United States. The legal (regulatory) authority for this color requirement is set forth in the Code of Federal Regulations at 49 CFR 571.108 -...
Question
replace head light
To replace the Low Beam headlight bulb on the Driver Side of the vehicle, you'll need the following tools: a 10mm socket with a 1/4" drive ratcheting wrench, a pair of needle nose pliers and a flathead screwdriver. To replace...
Question
My high beam light does not work on left side. I don't think it is the bulb.
Hi there. There could be an issue with the high beam switch. Check to make sure that the wires are connected correctly to the high beam switch. Also, check the bulb in the high beam on the left side. See...
Question
No headlights and high beam indicator light on
Hello. There is not enough information to definitively say what the issue is. Do the headlights not work when they are on normally, or on high beams? If this is the case, the issue is likely pertaining to the power...
Question
After 10-15 minutes the headlight (both hi and low) will cut off and on.
Hello - your "on again, off again" headlight symptoms indicate an electrical connection that is poor, that heats up while the headlights are operating, then fails. This could be a headlight relay, the headlight switch itself, or a wiring connection...

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