If you feel you can’t see as well at night, or you feel you’re lighting too low, or too high, in all these cases, there’s only one part of your vehicle guilty – your headlights, as well often known as high beams. Although this adjustment may seem easy thanks to the thumbwheel on your dashboard, a complete adjustment is much more technical than this simple manipulation, and in this post, we are going to see how to adjust the headlights of your Opel Astra 5? To do this, first we will see why you need to adjust your high beams, and secondly how to adjust the headlights of your Opel Astra 5.

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Why adjust the headlights of your Opel Astra 5?

So let’s start our content page with the interest of adjusting the headlights of your Opel Astra 5. For the majority of us, our headlights are adjusted well enough, and they appear to light up enough through the night. Regrettably this is not constantly the circumstance and examining this setting, either because the headlights on your Opel Astra 5 are not bright enough, or because you have the sensation that they are too weak is a great idea .

Adjusting the high beams of your Opel Astra 5 for safety

First of all, the headlight adjustment of a Opel Astra 5 must be done for a simple security motive. 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 the road, or to predict a curve badly. On the other hand, if your headlights are too powerful, regardless if you are supposed to switch to low beam lights when you cross a vehicle, the time needed to make this switch will most of the time expose the driver in front of you to the headlight beam of your Opel Astra 5 . It is consequently essential for others as well as for you to have an optimal adjustment of your headlights.

Adjusting the headlights of a Opel Astra 5 for legal reasons

In addition to security, there is a law that regulates the power, the adjustment of car headlights (articles R313-2 of the Highway Code), here is what it suggests: have between 2 and 4 headlights that illuminate at minimum 100 meters. Another legislation regulates 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 Opel Astra 5?

We will now move on to the part that interests you the most in this post, how to adjust the headlights of his Opel Astra 5? This adjustment may seem a bit complex, but by following the instructions you should be able to accomplish it without too much problem.

Preparations to adjust the headlights of a Opel Astra 5

First of all, 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 carefully.
  • Check that the height adjustment knob for the lights is set to 0
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  • Try doing that with half a full tank.
  • Remove all needless weight from the automobile, only one person should be in the driver’s seat.

The headlight adjustment of his Opel Astra 5

Once your car is in position, 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 process here are the steps to follow:

  • Open your bonnet, locate the screws for horizontal and vertical modification of the headlights of your Opel Astra 5 (they are in general marked, and those on top must modify the verticality and the one on the side adjusts 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
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  • 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 down below.
  • Once finished, verify that the headlights setting of your Opel Astra 5 is logical, do not think twice 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 Opel Astra 5, please read our content page on this subject matter.

To get more tips on the Opel Astra 5, take a look at the Opel Astra 5 category.