Users' questions

Are blue sidelight bulbs legal?

Are blue sidelight bulbs legal?

Moved to correct section and yeah, blue sidelights are illegal. The only vehicles allowed to display blue lights in any way, shape or form are emergency vehicles.

Does MOT check side lights?

The Tester will inspect: Headlamps for aim and operation. Sidelights (known as position lamps) for location, operation and condition. Side marker lamps and end outline marker lamps (as appropriate) for presence, location, operation and condition.

What colour sidelights are legal UK?

In the UK and Australia, sidelights must be white to be in compliance with the law. In some situations, you are legally required to turn your sidelights on. For example, in the UK, you must use your sidelights when parking on the side of the road at night.

What are the MOT guidelines for LED lights?

With no other mention of after-market LEDs in the MOT guidelines, all that is left is for them to check is that the beam pattern is correct and the colour of the light is predominantly white, white with a blue tint or yellow. Any good quality after-market LED bulbs will meet this criteria.

Why does my light not show on MOT test?

They must not show white light directly to the rear. Common reasons for test failure are corrosion to the bulb terminals and blown bulbs There should be two red reflectors, one on each side, securely mounted symmetrically facing to the rear. These are often built into the rear light units.

Is it legal to put a blue light bulb on a white car?

Blue coating. Some manufacturers put a blue coating on the bulb to make the beam as white as possible. As long as this doesn’t push the colour temperature up past 4200K, this is road legal.

What are the MOT rules for HID headlights?

The MOT test rules from VOSA, in detail, with links and references. What the MOT handbook says about HID and LED headlamps; HID headlights must turn on straight away; HID headlights must be mainly yellow or white; Lastly, the lights should match each other’s colour; Beam patterns; Headlight aim; More about that Department for Transport document