Ask Honest John

Most recently answered instruments questions
The up and down arrows in this feature on the MFD are very distracting, particularly at night. Is there any way of switching it off? I can't find anything in the driver's handbook.
As a weekly reader of your column I often see you advise people to change wheel sizes to avoid a certain problem. Would this not affect the speedometer reading, thus making it illegal unless the gearing...
I have recently purchased a new Toyota Yaris and I am generally quite happy with my choice. However there is a 'but'. This model has an analogue instrument panel, lit in an orange colour. The Yaris I had...
I drive an Nissan Tino 2005. There is a spanner on the display which states the car is due for a service. How can I turn it off?
In the dash of my 2001 Citroen Xsara Picasso, is the coolant temperature light blue? It is showing amber/orange. I've also noticed that the airbag light is not going out.
My car's rev counter moved up and down once quickly whilst the ignition was on but the engine was not running. It then played up while starting but started after a few minutes. What could this be?
I just had an MoT on my Y-reg Astra. I got it back and went for a run and I noticed that my mileage and mile trip were not illuminated. As I'm not very good with cars I thought it could be a fuse gone,...
My Citroen Xantia lost all but the battery lights on the dash. I managed to get it going by getting a power cable straight from the battery to the glow plugs rail, waiting about ten seconds and then turning...
I have a low milage Peugeot Expert van and for some reason the electronic mileometer LED has started showing only the top half of the numbers and is now showing nothing. The question is, if I change the...
I wrote to you some time ago about my KIA Venga diesel smelling of fuel in the cab. I've done 4500 miles in it now and it is still happening, though not as bad as it was. It seems to be worse on hot days...
 

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