Ask Honest John

Most recently answered ceramic coating questions
I have well maintained and garaged 21 year old Audi A3. It's going well at 100k miles and have decided to pay out for a big service with cambelt, water pump etc. It gets waxed 2 or 3 times a year but I...
I am getting a new car next week and I want to apply a ceramic or graphine liquid myself to the car in the open. I want a good shine for a long time. Which shall I use, or should I apply both? Any favourites?
I have recently replaced my car with the current one having been ceramic coated on the paintwork and wheels - Is there a preferred way to clean the car? I understand using a sponge could put fine scratches...
Where can i buy bodycare ceramic washing shampoo or bodycare ceramic blast?
I'm buying a Lexus RC300. The dealers all say glass coating is the best protection for the bodywork, giving them a nice commission on the sale. Is it actually worth it and does it protect as well as is...
When I bought my Cupra Formentor a year ago it was treated with Gen3 ceramic. A bottle of their shampoo was supplied which I have now used up. Can I safely use Meguiars Ceramic Wash and Wax? Although...
Are ceramic coatings worth buying?