Ask Honest John

Most recently answered regulations questions
Is there a minimum dimension standard for LED lights on new cars? Twice now I have not spotted a turn signal in daylight because the turn light was so small.
I saw your exchange with JH of Pickering, and agree with your comments about cooperating with other motorists, and your quote from the 1930 Highway Code. I wonder, however, if some of your readers might...
I am a mobility customer and I have ordered a Renault Grand Scenic dCi. It was supposed to be ready by the end of January, but now I am being told it will not be ready till at least another 4 weeks because...
Is it me or have recent emissions laws resulted in the motorist being lined up for a nasty surprise? I refer to the EGR valve setup on many Euro IV engines. This allows spent gases to be recycled back...
My question arises out of the discrepancy revealed by all road tests I have seen between official fuel consumption figures of hybrid cars and those found by road testers. These appear to be far larger...
In the past when older motorists like me hark back and wonder none of the major manufacturers produce a less complex car than is currently on offer with the advantage of ridding them of some of the weight...
Last September, in the interest of economy and the environment, I traded in a Mercedes for a new Toyota Prius Hybrid. The chief attraction of the Prius lay in its claim that the fuel efficiency was an...
Recently H.B. asked you about the difficulty of comparing different types of car tyre. Your readers might be interested to know that the EU has proposed to introduce a mandatory label (similar to those...
It seems that car manufacturers in Europe have been keen to create their own individual Monopoly Areas and have colluded by drivers means to restrict repair, maintenance and supply of parts to their own...