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Will a disconnected battery cause me to lose the radio code? 3 Apr 2020 (Ask HJ)
I own a 2011 Skoda Roomster and would like to know if disconnecting the car battery will mean I lose the radio security code. -
Why are electric cars so expensive? 19 Aug 2017 (Ask HJ)
I'm considering buying a Nissan Leaf. There's an attractive offer on at the moment. Are they good value? Why are they so expensive? Surely there are fewer... -
Starting problems with Vauxhall Corsa - what's the cause? 21 Jan 2014 (Ask HJ)
Twice in two weeks my wife's 2007 Vauxhall Corsa has refused to start. It makes a ticking noise but nothing more. The car eventually starts after a five... -
Where are the fuses for a Ka? 6 Jun 2013 (Ask HJ)
Where are the fuses for cigarette lighter and back windscreen wiper on a Ford Ka? I know the fuse box is beside steering wheel. -
car not used for long periods 10 Nov 2010 (Ask HJ)
As I go away for long periods, 3 months sometimes, what is the best way to stop the battery from totally discharging. Should it be disconnected or are... -
Why has my Renault Megane's immobiliser stopped working? 27 Jul 2010 (Ask HJ)
My 1998 Renault Megane's immobiliser is not working. I can't start my car. It's not my fob as I've just put new batteries in. Can you help? -
Should I only charge my electric car to 80% to prevent battery degredation? 26 Nov 2020 (Ask HJ)
I recently read that the best practice for good EV battery health is only to charge to 80%. I'd be grateful for a bit more advice on this, please. Is it... -
Why is my battery draining? 15 Mar 2025 (Ask HJ)
I have a VW Passat CC. After replacing the battery and alternator, with brand new ones, apart from the stop start not working at 1st and air con, there's... -
Battery goes flat after just 2 weeks - what's the fault? 27 Oct 2014 (Ask HJ)
I have owned my 2002 Mercedes-Benz C-Class Sport Coupe 220 diesel since new. It has now done 95,000 miles and has been regularly serviced and immaculately... -
What maybe the fault when connecting the battery terminals wrong way round 8 Jan 2013 (Ask HJ)
We have a 2002 Peugeot 307 Rapier. It had been running fine but finally a day came when it started showing up anti-pollution fault. We got it checked but... -
Should I charge my EV everyday or only when the battery is almost flat? 21 May 2025 (Ask HJ)
Should I charge my new EV everyday at home or only when the battery is almost flat? -
Can I reject a car because the hybrid range is less than what I was told? 17 May 2023 (Ask HJ)
I have just got a '67 plate BMW 2 Series Active Tourer PHEV. I was (verbally) told the battery range was 28 miles by the dealer, I now find it is actually... -
Will running the engine of my car once a week help prevent battery depletion? 6 Apr 2020 (Ask HJ)
I have SORN'd my Jaguar F-Pace during the Coronavirus pandemic. Besides turning the engine over once a week, what else can I do to ensure the efficiency... -
Do electric car batteries lose charge if not used for a period of time? 22 Oct 2019 (Ask HJ)
I live in the London suburbs and drive 5000 miles per year (mostly in London with most return journeys no longer than 130 miles) so I am thinking about... -
Are batteries wear and tear items? 16 Sep 2024 (Ask HJ)
I purchased a 20 plate BMW 330e in July 2023 from Motorpoint. Upon purchasing the car I opted for the additional warranty, and cited that I wanted to be... -
Can you give me some advice on buying a secondhand electric car? 5 Aug 2021 (Ask HJ)
I always used to ask my dad these questions but sadly he passed away last year. I'm looking at possibly buying a secondhand Renault Zoe and wondered if... -
Why are short journeys in my BMW 118d insufficient to charge the battery? 20 Nov 2010 (Ask HJ)
I drove to Colchester in my 2008-registered BMW E87 118d on 20 October. The journey of 70 miles return was achieved without mishap. However on 21 October,... -
Would buying a secondhand electric car be a wise investment? 11 Aug 2017 (Ask HJ)
Thinking about buying a small electric car for my wife. She does mainly local trips, shopping, visiting friends, absolute maximum 70 - 80 miles in a day.... -
Is the stop start system in my Honda Jazz more trouble than it is worth? 4 Mar 2024 (Ask HJ)
I have some doubts about the benefit of this facility. Every time I come to a stop with foot held on the brake the engine stops and release the brake and... -
Do people realise that lithium ion batteries, of the sort used in electrical cars, can be very damaging to the environment? 30 Jul 2011 (Ask HJ)
A lot is being made of lithium ion battery cars and hybrids, but there seems to be a stumbling block on range and cost, and probably on environmental grounds....
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