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Automotive glossary

Dipped Beam (Low Beam)

Dipped beam is the normal headlight setting that lights the road without dazzling oncoming drivers.

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What is Dipped Beam (Low Beam)?

It is used at night and in poor visibility. It has a sharp cut-off line that keeps light below the eyes of others. In many countries it must be used in tunnels. Right-hand and left-hand traffic need different beam patterns; when driving abroad, beam adjusters or settings may be needed. Many modern cars switch dipped beam on automatically in darkness.

How it works

The headlight shapes the beam so most light falls on the road ahead and the near side.

Why it matters for your car

Correct aim is essential to avoid dazzle. Replace halogen bulbs in pairs for even light.

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