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Can I trickle charge my car? 2 Apr 2020 (Ask HJ)
With the enforced lay-up of my 2018 Jaguar XF, can I use a C-TEK MVS 5-C trickle charger on my car? If so, where is the best place to connect it? -
What is causing my Honda Civic Type S' battery to discharge in under a week? 18 May 2013 (Ask HJ)
I took delivery of a new petrol engined Honda Civic Type S on 28 April 2011 from Swansway Honda Rochdale with delivery mileage. Since then, when I've taken... -
Who is responsible if an RAC Trackstar tracking device flattened the battery on our Porsche Carrera? 20 Nov 2010 (Ask HJ)
I bought a new Porsche Carrera 2S four years ago and we fitted a RAC Trackstar device. This work was carried out by a local RAC Franchise as we live in... -
How should an MHEV operate? 7 May 2025 (Ask HJ)
My Kia Sportage ('74 plate 1600 petrol GTLine MHEV) has a display option which shows when the 48v battery is charging but never indicates when the battery... -
My car won't start and when it does, I lose power steering. What's the issue? 1 Dec 2020 (Ask HJ)
I have a 2010 SEAT Ibiza. Occasionally it won’t start, so I have to jump-start it. Also, if I slam the bonnet down and the car is off, it will not start... -
My car battery failed after just four weeks - is the dealer liable? 7 Aug 2018 (Ask HJ)
I bought a five year old Vauxhall Cascada from a main dealer which included a two year NetworkQ warranty. In the first week of using it I reported a number... -
How can I tell when my hybrid Auris is running on electric or petrol? 19 Apr 2017 (Ask HJ)
I am in the process of buying a 2010 Toyota Auris Hybrid but I notice there is no indication of when you are running on electric and when you are running... -
What could be causing the battery in my Mercedes-Benz V220 to discharge completely? 6 Jul 2013 (Ask HJ)
I have a 2003 Mercedes-Benz V220 CDi. It has developed some kind of electrical fault that two Mercedes garages have failed to solve. Basically the battery... -
Why does my Alfa Romeo 159's battery keep going flat? 13 Aug 2010 (Ask HJ)
I have an almost new Alfa Romeo 159 TI. I have no complaints with the car other than a battery problem. There are occasions when I have to attend conferences... -
Volvo S80 battery problem 1 May 2006 (Forum)
So should i assume that the battery has ran out again in which case i should judt buy a new battery and replace the old one. Or is there likely to be another cause for the car to behave in this way that warants me to have it checked. -
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? -
KIA Ceed 2011 - The mystery of the resurrected battery... 21 Oct 2019 (Forum)
I order my new battery online. Change the battery - starts - Great! Let’s take it for a decent run, 40 minutes. On the off chance I try the stereo. It switches on, no bother. So strange... did that initial jump knacker the battery? -
Ford Focus Estate 1.6 petrol 55 reg - battery drain /isolator 15 Feb 2016 (Forum)
Hi I have had and still have an intermiitent drain on car battery, new battery {bossch s3} fitted only a year ago,daily mileage 28/30 - annual 6-8k car will be fine for a period of 3 /6 weeks with no problem or 12/48 hours then battery totally flat,but starts first time when jump started. after a 4 or 5 times of this happening and becoming increasingly frustrated i booked the car into a reputable auto electrican who had the car on test for 12 hours but could not detect a drain but then would he ?? -
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...

