We intend to use our smart charger every week and keep the starter pack handy.

For 18 years, I didn't use my car for work (not even for commuting). My car sat unused through the week and was normally only used at weekends. Never had any starting or battery issues. Never used a jump pack or charger.

Surely you shouldn't have this issue with a modern hybrid, even if it's only used a couple of times a week.

Thanks for posting this Chris as a warning to those of us who are retired and see the Yaris Hybrid and Honda Jazz 2022 onwards as the default choice.

Incidentally my work colleague has had exactly the same problem with his Honda Civic 2022 new model and keeps a small jump starter at the ready! Must be anxious time when you return from a fortnights holiday in December to collect the car only to find it won’t start !

Does this affect the Yaris Hybrid , not the Cross version ? As I haven’t heard any reports about this ?

TheVoiceOfThePeople, has your car had the DCM update that addresses at least some of this 12V issue?

Also, imo it's not unreasonable for a Yaris Cross to use more fuel than a Yaris.

Edited by Heidfirst on 04/12/2024 at 16:04

It would appear driving the car for over an hour does not guarantee the car will start if it is then left for 24 hours in near zero temperatures. I've found mine unable to start three times in recent weeks. Toyota now appear to have a designated person at their showrooms to tell you the battery is fine and that Toyota recommend the required annual milage is more than 3000 from the 2022 model onwards to prevent the problem occurring. Tough if you do less than this. They don't write down what you are telling them so maybe they are wary of legal action. I'm using more petrol than I did with my old petrol Yaris. If people are being compensated for buying diesel cars then there must be a strong case for those buying hybrid cars expecting to have lower running costs. AVOID TOYOTA

Never had a battery issue with my 2024 Swace hybrid , aka Toyota Corolla. It is fitted with a Varta 12v battery under the bonnet that looks like a normal sized car battery. After reading some of the comments I'll carry a starter battery pack just in case.

Re expecting lower costs - all I can say is WOW although is it wrong that I'm a little disappointed that my mpg has dropped to low 60's mpg now it's got colder!! During the summer it was averaging late 60's mpg with the odd long run getting over 70mpg.