1 New cars are fitted with LED lamps, why can I not install LED bulbs in my car’s exterior lamps to improve the looks and illumination? LED lamps, fitted to new cars, Nowthe UK testers manual is section for section the same as the EU directive. Under the EU directive it is a requirement to check the markings on headlights for compliance however that is not included the UK MOT. A great pity in my view as it would get rid of the illegal headlights on vehicles in the UK. Brendan Unfortunatelynot. LED upgrade bulbs can’t be classed as road legal because they cannot be E marked or have the British Standard mark. The reason that LED upgrade bulbs Intheory, LED headlights are a great idea. However, it's difficult to find LED headlights that are safe and road legal. Here at PowerBulbs, we do sell high-quality LED headlights from a variety of trusted manufacturers. Whilst they are not road legal, the bulbs are designed with specialist technology that prevents dazzling, making them a lot Guideto car modification law in UK - see which modifications are illegal Tuesday, 31 December 2019, 13:14 there are a vast range of LED lights available, with prices starting at a few pounds for small light set ups. Headlights/fog lights. Any upgraded/modified head lamps or fog lights must be white or yellow at the front and red Anyhalogen bulb with a Kelvin rating over 4200K is not legal for road use, and should only be used off-road. This is because bulbs begin to produce a light with a slight blue tint when they reach a colour temperature of around 4200K. Blue bulbs are used by the emergency services and therefore need to stand out on the road against other drivers. LEDheadlights can be used in most vehicles, but there may be specific restrictions for certain types of vehicles, such as motorcycles and heavy goods vehicles. It is important to check the regulations for your specific vehicle type. 6. Are there any penalties for using illegal LED headlights in the UK? Using illegal LED headlights in the UK Australiashare similar laws with the UK, meaning that headlights must be white/yellow, and rear lights red. There are also laws in Australia restricting tints. Tints or headlight covers that block more than 15% of the headlight beam are banned. The same guideline can be assumed to apply to rear lights, which also must be visible from a LEDlights used for vehicles, such as headlights and taillights, are subject to specific regulations in the UK. These regulations govern factors such as brightness, Of2,000 UK licence holders quizzed by the motoring group, 89 per cent think at least some headlights fitted to cars are too bright, of which three in 10 – a higher 9wPl.