Drivers confused about daytime running lights

Motorists urged to check if DRL includes automatic rear lights and told to turn on side lights in dull conditions

Drivers confused about daytime running lights
While EU law required all cars and small vans produced since 2011 to have daytime running lights, trucks and buses were not included in legislation until August 2012.

Daytime running lights on vehicles, which have been required to be fitted on all new EU cars and small vans since early 2011 to improve road safety, may be causing unintended confusion for other drivers, according to research carried out by the RAC.

An RAC opinion panel survey of 2,061 motorists found that 62 per cent claimed to see other cars and vans driving in dull overcast conditions without any rear lights on, while they noted these vehicles did have lights on at the front.

15 per cent of those surveyed had not noticed this and nearly a quarter 23 per cent were not sure.

RAC road safety spokesman Pete Williams said: “This is potentially a very worrying finding as it implies that many motorists are driving without any rear lights believing that because they have running lights that switch on automatically at the front, they are also on at the rear.

“Alternatively, and arguably just as concerning, these drivers could simply have decided the light conditions were not bad enough to merit turning on their dipped lights or sidelights.”

Asked if they knew whether the car they drive most frequently had daytime running lights 47 per cent stated that their vehicle did not, 29 per cent said theirs had them at the front only, 14 per cent said they had them at both the front and the rear, and somewhat worryingly, eight per cent knew they did at the front but were unsure about the rear.

Confusion and frustration

Designed to make cars more visible to other road users in daylight conditions, daytime running lights (DRL) automatically switch on when the engine is running and switch off when the main headlights are turned on.

They are not designed to help drivers see where they are going, but are there purely to enable other road users to see the vehicle.

While all new vehicles have to have daytime running lights at the front, it is not a requirement to fit them at the rear, yet some manufacturers choose to do so.

According to the RAC, it’s this issue that appears to be causing confusion and frustration for road users in dull driving conditions as many drivers don’t turn on their dipped lights or sidelights, perhaps mistakenly thinking that because they have daytime running lights on automatically at the front the same applies to the rear lights.

Road safety

Sweden was the first country to require daytime running lights, making them mandatory on 1 October 1977.

Studies into the effectiveness of daytime running lights regarding road safety have had varying results.

An American study from 2008 put the figure at a modest 0.3 per cent, however when the EU investigated the issue in 2003 it suggested there was a likely reduction in multi-party collisions of between five per cent and 15 per cent.

“Switch on dipped lights”

Pete Williams added: “While daytime running lights are clearly bringing a very valuable safety benefit to the UK’s roads, it would be good for every driver to take just a few minutes to make sure they know whether the vehicles they drive have them or not.

“And if they do, then check to see if they have them at the rear as well as the front.

“That way those that don’t have them at the back will be far more likely in poor daylight visibility to switch on their dipped lights to make their vehicle more easily seen from behind.

“We strongly urge everyone to carry out this check as those few minutes could make an important road safety difference.”

Share your opinions on daytime running lights in the comments below.

Home Page Forums Drivers confused about daytime running lights

This topic contains 6 replies, has 2 voices, and was last updated by  Nigel Tye 8 months, 1 week ago.

Viewing 6 posts - 1 through 6 (of 6 total)
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  • #168000 Reply

    craig ford

    Not only what is mentioned above, but the fact that DRL’s are designed for daytime use only, so when you see people with just front DRL’s illuminated, they dazzle oncoming traffic in low/poor light conditions. People who own cars really should be reading their handbook to learn how to operate them correctly.

    #168003 Reply

    Ken Ashton

    DLRs are the most useless thing invented by someone sitting in an office ! They can be dazzling and doesn’t the highway code say that aux driving lights (ie fog) must be off in normal visibility? It is the rear of the car that is vulnerable and might benefit from lights – you only see the front of another car from the other side of the road ! Unless of course the driver is not good at junctions .

    #168005 Reply

    Mark Bradbury

    I think we have a growing sector of motorists that feel the only responsibility they have is to point the car in the direction they wish to go. Lights and indicators etc are just to much of an effort, reading the handbook to find where the headlights or indicator stalk is.. Well thats never going to happen

    #168006 Reply

    Peter fearnley

    Another EU directive (I’ll be very glad when we finally get out of it)I’m sure it is clear to see that motorists don’t realise their rear lights don’t operate with DRL surely the pen pushers thought about that no of course not it’s like how did the government allow 1st generation smart utility meters to not work if you change energy supplier – a lot of consulting goes on into these things but no common sense

    #168637 Reply

    Ray law

    Can we name & shame the person who thought it was a good idea just to have drl on the front only ,As a tester I wonder why we test front side lights

    #168665 Reply

    Nigel Tye

    DRL’s are absolutely ridiculous, at last somebody has recognised this as a problem and hopefully drivers can be educated on using dip beam instead.

Viewing 6 posts - 1 through 6 (of 6 total)


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