Ask Honest John

Most recently answered battery life questions
How long do you think a battery in an electric car would last if you do an average 15,000 miles a year?
How much does it cost when an electric car battery goes bad or fails?
My stop-start engine stopped, as per normal, at a set of traffic lights - but then wouldn't automatically start again. Why's that?
Three years ago, I bought a hybrid Toyota C-HR. In the light of lockdown, we have not used it for 13 days. On trying to take it out for food shopping, it would not start and upon telephoning Toyota we...
I have a 2015 Golf 2.0 TDI that has done 35,000 miles and been serviced by Volkswagen since new. I've owned the car for 13 months. I've noticed the battery is losing its charge. It is normally driven on...
I am about to be quarantined for three months. I propose to run my car weekly. How long do I need to run it to keep the battery charged? Anything else I need to do?
My wife's Suzuki Vitara petrol is only used for occasional short trips and the battery is running low on charge. Can I charge it in situ using a standard non-smart battery charger without disconnecting...
I have an Exide Premium 030 75AH battery fitted to a 1999 Lexus LS400. I need to know what battery chargers are most suitable to maintain good battery condition. I only do short journeys so I need a reliable...
I have a 2014 Toyota Auris Hybrid. When can I expect to start having expensive repairs such as a replacement battery?
What is the expected life span of current batteries used in hybrid cars? And what is the cost of a replacement?