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Old 26th May 2024, 14:19   #91
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Re: How to adjust headlight beams

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Originally Posted by Endyguy View Post
Thanks a lot for you answer. I did consider adjusting the beam manually by using the alignment screws like you said, but figured that when the high beams are turned on, the beam would be too high. I guess I will try adding some weight in the boot and see what happens. Speaking of which, how do you recommend I go about that? How much and what form of weights do you suggest?
You should take a call based on the current situation. The beam should be adjusted keeping the low beam in mind. The low beam cutoff should have a drop over distance, and must not be parallel to the road surface irrespective of the load conditions. So if you have a car with auto leveler, in the default no load condition the beam should be adjusted such that on an open road, the cutoff must meet the road at the farthest point you can see.

On a technical side, there is a dip factor of 1% or 1.5%. That means the beam should dip by 1 meter for every 100 meters it travels. You can use this to adjust against a wall against which you can drive backward like a driveway. First park the car close to the wall, mark the low beam cutoff. Drive backwards as far as possible to a measurable distance. Mark the current cutoff and calculate the ratio. Adjust based on this and you will get a perfectly aligned low beam without affecting oncoming drivers and also providing you the most efficient spread without being too low compelling you to use high beam.
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Old 28th March 2025, 16:36   #92
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Re: How to adjust headlight beams

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Originally Posted by audioholic View Post
Mark the current cutoff and calculate the ratio. Adjust based on this and you will get a perfectly aligned low beam without affecting oncoming drivers and also providing you the most efficient spread without being too low compelling you to use high beam.

Update: I went to my local Maruti dealer and got the beam height increased manually. Now it looks perfect, with the beam being perfectly aligned with my eyesight.
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