Your headlight beam angle is off—too high, too low, or misaligned. This reduces your visibility at night and can dazzle oncoming drivers. Usually caused by suspension wear or impact damage. Quick and cheap to fix.
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Headlamp aim is minor but safety-relevant—poor visibility increases accident risk. Fix within 2–3 months. Adjustment costs £25–£60 and takes minutes.
Headlamp aim is a minor advisory but impacts night-time visibility. Beams that aim too high dazzle oncoming traffic (safety + legal risk). Beams too low reduce your own visibility. Fix soon.
Ownership signal: Headlamp aim issues often recur if suspension is worn. If you see this repeatedly, have suspension inspected—it's the underlying cause.
Testers measure beam height and angle. Too high/low is flagged. Simple adjustment corrects most cases.
Garage adjustment: £25–£60 (5 minutes)
DIY (if accessible screws): Free (check handbook for adjustment points)
Many MOT centres offer free re-adjustment after passing. Some garages will adjust while you wait.
Headlamp misalignment is often caused by suspension wear changing ride height. If this happens repeatedly, have suspension checked—a worn shock or spring is the real issue, not the lights.
Use our MOT checker to see your vehicle's current advisory status and any recent test failures.
Check MOT HistoryLast reviewed: July 2026 · MOT data sourced from DVSA · Editorial Policy