Ask Honest John

Most recently answered hybrid batteries questions
The battery on our Yaris hybrid tends to go to near flat if left for more than two - three days. I understand that this a common hybrid problem due to very small battery. Are there any self charging...
I have had a Hyundau Ioniq hybrid since new, its 4 years old and has done 56,600 miles (mainly medium/long distance). How long will it last? I think Hyundai increased the batteries warranty to life....
While there has been considerable research on the life of full EV batteries, I wondered if you have any advice on battery life in hybrid cars. I am looking to purchase a used hybrid car, but I wonder if...
I am thinking of buying a new Kia Niro hybrid for when I retire this year and probably keep it for about 10 years. Would it be viable to keep it that long, due to cost of batteries?
The handbook for my Toyota Yaris Cross advises only using regenerative braking when on a long descent. Does that mean I shouldn't use B mode all of the time? If so, why?
I'm on the lookout for a car and saw a good 2-year old (April 2019) Lexus RX L with 2500 miles on it. Surprisingly, it had done 2300 miles in the first 6 months and almost nothing since then in the last...
What is the expected life span of current batteries used in hybrid cars? And what is the cost of a replacement?
Am I likely to have battery problems with a self-charging hybrid if I only do short journeys? Are hybrids the way to go in replacing a car that you intend to keep for a while?
 

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 12% on GAP Insurance

Use HJ21 to save on an ALA policy

See offer