Ask Honest John

Most recently answered car care questions
This month, I’m taking delivery of my first ever brand new car - a Suzuki Ignis. Thanks to Suzuki’s seven year or 100k warranty, subject to T and Cs, involving getting the car serviced from an authorised...
What is the best product to restore black plastic mouldings to the original colour and shine?
My Peugeot 2008 has quite a lot of chrome trim - what would be your recommendation to keep this in good condition?
What is the best colour restorer for my black plastic trim which insists on staying grey?
I have just bought a 2011 Mercedes C-class Blue Efficiency, with a petrol engine. Do I need to take special care before switching off the engine, because of the turbo?
After looking at and test driving a lot of small and medium hatchbacks to replace our now three year old BMW 1 Series, we have ordered a new Renault Clio in glacier white. Please could you let me know...
The inside of my windscreen (BMW330i/2004) is covered with a film that I can only assume comes from the a/c - it's similar to the haze on a smoker's windscreen but more resilient to attack by cleaners...
Recently you had a question about sun cream removal from car paintwork. With 3 young children I've had a lot of experience with this. At first I tried hot soapy water, T-Cut, clay bars - nothing would...
I have a brand new car, manufactured to order, and wondered if I should wait several months before polishing it to wait for the paint to fully harden? I seem to remember many years ago this was the advice...
The windscreen on my Honda S2000 has the residue from using Diamondbright on the screen, plus pine sap from parking under pine trees. All the preparitory cleaners from Auto Glym, downwards have failed...