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How to adjust the headlight angle on a General Motors vehicle.

Model: GMC GMC Various
Part: Headlight

Video tutorial

In this video, we can see how it is possible to adjust the beam of the headlights of GMC vehicles using the adjuster located inside the engine compartment, for which an Allen key is required. This allows the gear - which we can see moving in the video - to adjust the light beam.

The operation must be performed slowly and gently to avoid damaging the gears. Rotating it clockwise will lower the light beam, while if we want to raise it, we will need to rotate it counterclockwise.


Posted on 29 November 2025 by ScegliAuto


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Watch the video!


by ScegliAuto

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