Headlight range control button HONDA CIVIC 2004

OEM: M20010HJSS5A

Disassembled car photo

Engine running

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What is this part and why does it matter?

The headlight leveling control adjusts the vertical aim of the headlight beam, compensating for vehicle load to avoid dazzling oncoming traffic.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

  • Headlight beam doesn’t change angle when adjusted
  • Control feels loose or sticky
  • Headlights aimed incorrectly regardless of the control’s position

Installation information

Clips into the dashboard, connecting to the headlight leveling motors via the wiring harness — check correct beam adjustment after installation.

Frequently asked questions

A heavily loaded vehicle sits lower at the rear, which tilts the headlight beam upward — this control lets the driver compensate, preventing the beam from dazzling oncoming traffic.

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