Could your correspondent MS use half a potato to clear smears from his windscreen?

Regarding MS's email on page M7 of Telegraph Motoring about using Cif on his windscreen; I use a potato cut in half and the exposed part rubbed on the windscreen, followed by the screen washer/wipers to...

I used Cif cleaning product to clean my streaky windscreen.

Having terrible trouble with a streaky screen, I changed the wiper blades for a second time in a month after first sourcing MER windscreen cleaner and applying as per instructions. Both were a waste of...

How do I clean my car's air conditioning system?

I recall that you gave advice some time ago regarding 'fumigating' the air conditioning and ventilation system to get rid of noxious smells. I've tried to locate this in your FAQ's and forums with only...

How should I get bird faeces off my paintwork?

What is the best method of removing bird pooh from the paint work?

Do I really need to have a fuel system clean every six months?

Nissan have advised me that they recommend a fuel system clean every six months and will carry one out automatically when they service my car, unless I request otherwise when I book the service. Is such...