Whether you experience you can’t see as well at night, or you experience you’re lighting too low, or too high, in all these situations, there’s only one part of your vehicle to take responsibility – your headlights, as well identified as high beams. Although this adjustment may seem easy thanks to the thumbwheel on your dashboard, a whole adjustment is much more complex than this simple manipulation, and in this article, we are going to discover how to adjust the headlights of your GMC Terrain? To get this done, first we will discover why you need to adjust your high beams, and secondly how to adjust the headlights of your GMC Terrain.
Why adjust the headlights of your GMC Terrain?
So let’s start our content with the interest of adjusting the headlights of your GMC Terrain. For the majority of us, our headlights are adjusted good enough, and they appear to light up enough through the night. Sadly this is not constantly the case and checking this setting, either because the headlights on your GMC Terrain are not bright enough, or because you have the impression that they are too weak is a great idea .
Adjusting the high beams of your GMC Terrain for safety
To begin with, the headlight adjustment of a GMC Terrain must be achieved for a basic security explanation. Regardless it’s for you, or for the other users you come across during your night trips. In truth, if you don’t see enough, the risk is to miss an obstacle on the road, or to predict a curve badly. However, if your headlights are too powerful, regardless if you are supposed to switch to low beam lights when you pass a car, the time needed to make this change will most of the time expose the driver in front of you to the headlight beam of your GMC Terrain . It is consequently necessary for others as well as for you to have an optimal adjustment of your headlights.
Adjusting the headlights of a GMC Terrain for legal reasons
Furthermore to security, 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 suggests: have between 2 and 4 headlights that illuminate at least 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 matching to that of the dipped headlights and that the maximum luminosity must be 225, 000 cd.
How to adjust the headlights of a GMC Terrain?
We will now go forward to the part that interests you the most in this article, how to adjust the headlights of his GMC Terrain? This adjustment may seem a bit complicated, but by following the recommendations you should be able to complete it without too much trouble.
Preparations to adjust the headlights of a GMC Terrain
To begin with, you’ll need to prepare your vehicle to adjust your high beams in good conditions, here are the preparations to executed:
- Place your vehicle on a surface in front of a white wall for example, about 4 or 5 meters from the wall.
- Check your tire pressure attentively.
- 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 Terrain
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 vehicle up to a distance of between 7 and 10 metres. For the rest of the procedure here are the steps to follow:
- Open your hood, identify the screws for horizontal and vertical modification of the headlights of your GMC Terrain (they are usually marked, and those on top must adjust the verticality and the one on the side handles the horizontality of the adjustment).
- Use a cloth or something else to hide the projector on which you are not making the correction.
- Using the screws to make the horizontal correction, 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 correction, 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 down below.
- Once finished, verify that the headlights setting of your GMC Terrain is logical, do not hesitate to verify it after you have driven it, in some cases it may move.
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If you want to adjust the fog lights on your GMC Terrain, please go through our content on this subject matter.
In the event that you have any additional questions about the GMC Terrain, do not hesitate to consult our GMC Terrain category.
