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Can you buy battery powered dash cams? 14 Jul 2025 (Ask HJ)
Are there any dash cams which operate only on battery? Either rechargeable or replaceable? I do not like wires from car power point/cigarette lighter trailing... -
Are PHEVs expensive to run and maintain? 18 Nov 2022 (Ask HJ)
I haven't seen any discussion on maintenance costs for PHEV. Presumably, it must be quite expensive since you are maintaining an EV plus an ICE? -
Will fitting a dashcam to an EV reduce the range? 7 May 2025 (Ask HJ)
We've recently bought a Toyota Bz4x electric car and I'm wondering how much effect on the range running a dash cam will have? -
Why does the stop/start not work on our car? 20 Apr 2025 (Ask HJ)
This stop/start function on our Honda Jazz 2016 does not operate when when stationary, possibly due to age of battery. Is there any significant difference... -
What's the fuel efficiency of a plug-in hybrid when the battery has run out? 19 Jul 2021 (Ask HJ)
Is there a rule of thumb about how much less efficient a plug-in hybrid is when the battery runs out compared to a combustion engine equivalent? For example,... -
Why is my car's battery losing charge? 20 Apr 2020 (Ask HJ)
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... -
How much charge will a PHEV battery lose over five years? 10 Jun 2019 (Ask HJ)
I am thinking of buying a PHEV. I intend to keep the vehicle for five years and I do 15000 miles per year. I am a little concerned at battery deterioration... -
What jump starter should we buy for our minibus? 30 May 2019 (Ask HJ)
My village charity group operates a Citroen Relay minibus. As a starting backup we would like to purchase a Battery Power Pack for emergency use should... -
My car's start-stop won't work because of a partly discharged battery - would a trickle charger solve the issue? 29 Mar 2018 (Ask HJ)
My 18 month old Mercedes-Benz E-Class won't automatically stop-start anymore due to a partly discharged battery. It's left in my garage for weeks at a... -
Kia stop/start system? 23 Nov 2015 (Ask HJ)
I have a 2014 Kia Cee'd 3 1.6 CRDI Eco which I am pleased with on the whole but puzzled by the Stop and Go system which refuses to work when the conditions... -
Breakdown services and battery sales 29 Dec 2011 (Ask HJ)
Please publish this warning to your readers. Two week's ago, my wife's car failed to start. Being a member of one the largest car breakdown service... -
Lies, damn lies and static tests 23 Jun 2011 (Ask HJ)
Regarding battery leakdowns, I have a friend who is a modern auto electrician, by which I mean he has all the latest kit code readers, etc., but for a... -
How long are the batteries in my 2006 Toyota Prius likely to last? 10 Oct 2010 (Ask HJ)
I have a 2006 Toyota Prius with which I have been very pleased. It is approaching four years old, half the guaranteed battery life, and I wondered if you... -
Are you aware of a new Mercedes-Benz / BMW electric car battery exchange project? 30 Jun 2010 (Ask HJ)
I recently passed a new factory which was not working yet. I asked what it was for and was told it is a new joint venture between Mercedes-Benz and BMW... -
Well soaked 17 Oct 2009 (Ask HJ)
Yesterday I noticed water in the rear passenger foot well of my VW Passat saloon. Year is 1999. I am not sure how it got there and I no nothing about cars... -
Will a PHEV recharge itself when driving? 11 Aug 2021 (Ask HJ)
Do plug-in hybrids recharge the battery whilst moving like standard hybrids? -
Why is the engine in the Nissan Qashqai ePower so big? 20 Oct 2022 (Ask HJ)
Why is the ICE in the Nissan ePower so big, if it is only required to charge the battery? Couldn’t it be much smaller and lighter? -
Why isn't my stop-start working? 19 May 2020 (Ask HJ)
My stop-start engine stopped, as per normal, at a set of traffic lights - but then wouldn't automatically start again. Why's that? -
Should I use a float charger? 16 Apr 2020 (Ask HJ)
I've just heard about battery float chargers, is this another way of saying trickle chargers? I'm looking to buy one for my dad, who owns a BMW 1 Series... -
I'm leaving my car sat on my driveway for nine weeks in winter - should I disconnect the battery? 23 Nov 2017 (Ask HJ)
I'm leaving my 2015 Volkswagen Jetta and Volkswagen Golf on my driveway for nine weeks in winter. Should I disconnect the batteries?
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