honest john kit | Ask Honest John

What's the best treatment to prevent discolouration and to protect a convertible roof?

I've just bought a new Mazda MX-5. I'd like to have your view on the best way to protect the soft canvas top. My old vehicle developed stains, algae marks and accumulated some mossy deposits at the base...

Does charging an iPhone or playing music on it drain a car battery?

What product will get rid of mould on a convertible hood?

The fabric on the roof of my MX-5 has gone a little mouldy. Can you recommend a good product to clean it with?

Is a Honda CTX700 a good used buy?

I have seen a 2016 Honda CTX700 for sale. This bike has 2000 miles and was just traded in, so it is mint condition. Any cons on this?

How do you remove bloom from paintwork resulting from bird droppings?

I recall you recommended a product for removing bloom from paintwork resulting from bird droppings. Could you please remind me what that product is?

What is the best product to restore black plastic mouldings to the original colour and shine?

Are dash cams a wise investment as extra insurance?

My son has recently passed his test and I am about to add him to my car insurance. We will switch to a black box company to get a better price. I also think it would be a good idea to add a dash cam (front...

What polish or wax would you recommend?

I have a one-year-old Mercedes C200 in Celonite Grey paint. What polish or wax would you recommend?

I don't have much windscreen space, can you suggest a small dash cam?

You've got some great information on dashcams, however, I'm after a specific sort. I have a Fiat 124 Spider and so there's not much room in there and I don't want to block any of my vision. Therefore,...

Is the Stoplock Pro steering wheel lock suitable for motorhomes?