If you experience you can’t see as well at night, or you experience you’re lighting too low, or too high, in all these scenarios, there’s only one part of your car at fault – your headlights, as well identified as high beams. Nevertheless this adjustment may seem easy thanks to the thumbwheel on your dashboard, a whole adjustment is much more technical than this elementary manipulation, and in this post, we are going to find out how to adjust the headlights of your GMC Yukon? To achieve this, first we will find out why you need to adjust your high beams, and secondly how to adjust the headlights of your GMC Yukon.
Why adjust the headlights of your GMC Yukon?
So let’s start our article with the benefit of adjusting the headlights of your GMC Yukon. For most of us, our headlights are adjusted sufficiently, and they appear to light up enough at nighttime. Sadly this is not constantly the case and checking this setting, either because the headlights on your GMC Yukon are not bright enough, or because you have the feeling that they are too weak is a wise decision .
Adjusting the high beams of your GMC Yukon for safety
First of all, the headlight adjustment of a GMC Yukon must be carried out for a very easy safety explanation. If it’s for you, or for the other users you come across during your night trips. In actual fact, if you don’t see enough, the risk is to miss out an obstacle on your way, or to predict a curve badly. However, if your headlights are too strong, regardless if you are supposed to switch to low beam lights when you pass a car, the time required to make this change will most of the time expose the driver in front of you to the headlight beam of your GMC Yukon . It is consequently essential for others as well as for you to have an ideal adjustment of your headlights.
Adjusting the headlights of a GMC Yukon for legal reasons
In addition to safety, there is a law that supervises the power, the adjustment of motor vehicle headlights (articles R313-2 of the Highway Code), here is what it specifies: have between 2 and 4 headlights that illuminate at minimum 100 meters. Another legislation supervises their use, the European one (directive 76/756/EEC), which stipulates that there is no maximum height for the adjustment of the headlights, but that the maximum width of the beam must be identical to that of the dipped headlights and that the maximum luminosity must be 225, 000 cd.
How to adjust the headlights of a GMC Yukon?
We will now go forward to the section that interests you the most in this post, how to adjust the headlights of his GMC Yukon? This adjustment may seem a bit difficult, but by simply following the recommendations you should have the ability to do it without too much concern.
Preparations to adjust the headlights of a GMC Yukon
First of all, you’ll need to prepare your car to adjust your high beams in good conditions, here are the preparations to executed:
- Place your car on a surface in front of a white wall for example, about 4 or 5 meters from the wall.
- Check your tire pressure cautiously.
- Check that the height adjustment knob for the lights is set to 0
- Try doing that with half a full tank.
- Remove all unneeded weight from the vehicle, only one person should be in the driver’s seat.
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The headlight adjustment of his GMC Yukon
Once your car is in place, you will turn on your dipped beam and make a cross-shaped mark (one horizontal and one vertical section) in the middle of the beam that will be projected on the wall. Check with a level that both parts of the cross are straight. Then back your car up to a distance of between 7 and 10 metres. For the rest of the process here are the steps to stick to:
- Open your bonnet, identify the screws for horizontal and vertical modification of the headlights of your GMC Yukon (they are usually marked, and those on top must modify the verticality and the one on the side controls the horizontality of the adjustment).
- Use a cloth or different things to hide the projector on which you are not making the modification.
- Using the screws to make the horizontal modification, you should have the most intense part of the beam which should be a little to the right of the vertical line noted on the wall
- With regard to vertical modification, you will have to use the screw to try to position the upper end of the beam at the level of the horizontal marking on the wall, or slightly below.
- Once finished, verify that the headlights setting of your GMC Yukon is logical, do not hesitate to verify it after you have driven it, sometimes it may move.
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If you want to adjust the fog lights on your GMC Yukon, please read our article on this subject matter.
To find more tips on the GMC Yukon, take a look at the GMC Yukon category.
