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Short winter days mean you are driving in the dark more often, so weak or yellowed headlights matter more than people think. Lighting problems are also one of the most common reasons for a roadside stop. This page covers common lighting repairs, typical prices, and what to know before upgrading to LED.
Last updated: October 2026
Headlights, brake lights, signals and fog lights. Some vehicles make it easy, while others require removing parts of the bumper or headlight assembly.
Polishing and sealing cloudy or yellowed lenses to bring back brightness. A good option when the housing itself is intact.
Needed when a housing is cracked, leaking or has damaged internals.
Upgrading can improve visibility if done with a proper kit and aiming. A poor retrofit can scatter light and blind other drivers.
Typical ranges only. Modern LED and adaptive headlights cost much more than standard halogen ones.
Reduces light output. Restoration can often fix it.
Replace both bulbs together on headlights so brightness and colour match.
Can be a loose connection, a bad bulb or a charging issue.
Often a sign of a burnt-out bulb on that side.
A bit after rain can be normal, but standing water means a seal problem.
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Yes, it is usually best. Bulbs dim as they age, so replacing just one can leave you with uneven light.
It depends on the product and your province. Lights must meet Canadian safety standards, and many plug-in LED bulbs for halogen housings are not designed for it. Ask a shop about compliant options.
Common causes are aged bulbs, oxidized lenses, a weak battery or alternator, or poor aiming. A shop can narrow it down quickly.
After a collision, suspension work or fitting new headlight assemblies, yes. It is quick and helps you see better without blinding others.