Ask Honest John

Most recently answered headlights questions
I have a 2017 Mercedes-Benz B180 SE, the headlights are normal bulbs, is it legal to upgrade to LED headlamps?
My Land Rover Freelander needs its headlight lenses cleaning as they are looking misty. Is there anything you could recommend? I've seen toothpaste being referred to but don't really know if that works!
I have a 2015 Citroen C3 Picasso and need to upgrade my headlights. I am under the impression that LED bulbs are the best? But does my wiring support LEDs? Or would I be better with halogen?
I am concerned at the number of motorists driving around in poor daytime visibility (currently fog but often rain and spray) without putting on their lights. On the odd occasion when I've been able to...
My 2012 Audi A6 is using a lot of screen wash fluid. It has headlamp washers which I suspect are the culprits. Is it feasible (and legal) to disable them?
Is it my imagination or are car headlights getting ridiculously bright? Is there a maximum brightness legally allowed? As it now gets dark at tea time I spend much of my time with one hand on the wheel...
Can I fit brighter headlight bulbs to my 2009 Ford Fusion Zetec? Will Halfords fit these bulbs?
Do you have any suggestions for cleaning cloudy headlamps?
What is the best product/method to restore the clearness of dull headlight glass?
I have replaced the incandescent bulbs in my front sidelights with LED ones and I have noticed that the light they produce has a blueish tinge. Are they legal?

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