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  Battery maintenance on used cars? 17 Jan 2013 (Ask HJ)
  I am going away for 3 months. My CR-Z will be indoors and my BMW outdoors. I am receiving conflicting advice - never use a trickle charger on the CR-Z....
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  My City Rover battery runs flat 3 Jan 2012 (Ask HJ)
  I left my City Rover on the drive for 3 days and the battery is now dead. Had an auto electrician look at it and he can't find the fault. Also happened...
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  The stop start economy 29 Aug 2011 (Ask HJ)
  My husband drives an Audi A1 automatic, which has a stop/start system. The engine will automatically cut out when the vehicle stops, and when you take...
• Ford Ka2 - Are Ford being helpful? 7 Mar 2011 (Forum)
  Ford have basically said they are unwilling to support this problem until my Mum pays them £105 for fitting a new battery.  Seems very unreasonable to me, not to mention a huge price for a small battery for a car like a KA. Any advice?
• 2006 1.6 tdci Focus - Battery light and high pitched 'hum' 11 Feb 2011 (Forum)
    Any aternative advice, or reasurrance much appreciated on this topic.  Could it be the battery? the belt? is the whirring linked to the alternater? Also the battery light comes on and off.     
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  Airpark 21 Feb 2009 (Ask HJ)
  I will shortly be leaving my 9-year-old (but extremely reliable) BMW 520i for 3 weeks at an airport surface carpark and am slightly worried it may not...
• Battery testing 21 Oct 2006 (Forum)
  This is my first post on this forum, petrol engines aren't my most fave. subject, rather have something with a diesel and don't have to bend my back or put on a ramp to work on - i.e. tractor, truck, excavator. Anyway what I am looking for is information specific to standard [Exide] lead plate batteries in particular the text book correct way of initially charging prior to selling to a customer and the correct way to diagnose a battery failure. Initial charge: From what I can gather first I need to fill the dry cells with 1.260 electrolyte [dil.
• battery specs 10 Oct 2004 (Forum)
  CCA (cold crank amp) Reserve capacity (minutes) Ampere Hour (Ah) capacity The vehicle manufacturer state the battery to be used is a 600CCA / 115mins - Volvo V70 Diesel The motor factors all list this particular cars replacement to be 096/4 where 096 is the UK battery code and 4 is the number of years of service guaranteed.
• Expected Battery Life 25 Jun 2004 (Forum)
  I have just had a complete battery failure on my just over 3 year old Skoda Fabia 1.9tdi. The car was bought new and has covered 61,000 kilometers. Is this extremely short life usual? I know that usage patterns affect a battery, but in my case, the car rarely sits in the garage for more than three days before a decent shopping trip run of between 20 to 35 kilometers each way is done.
• Citroen C3 2002 auto - battery warning light comes on and car stops 12 Oct 2011 (Forum)
  as above. 2minutes later will start and run fine.
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  Why does the cruise control on our Ford Fiesta fail intermittently? 10 May 2023 (Ask HJ)
  My wife has a 2020 Fiesta Vignale (125) with 18,000 miles. She has a persistent problem with both cruise control and stop-start which often doesn't work....
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  Would a trickle charger be suitable for the battery on my Lexus hybrid? 22 Nov 2018 (Ask HJ)
  I have read several of your comments advocating a trickle charge for the battery. Would that be suitable for my Lexus hybrid? And if so what would you...
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  My Range Rover fob won't activate the locking system and now the car has immobilised - what do I do? 28 Jan 2017 (Ask HJ)
  The key fob for my Range Rover P38 will not activate the central locking and the car will not start, it has been immobilised. I am not covered by any insurance...
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  Why won't my Daewoo Matiz start? 28 Oct 2013 (Ask HJ)
  I'm at my wits end with my 2003 Daewoo Matiz. I bought the car with an alternator problem, which I fixed and the car started fine. However, after five...
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  What's causing my Ford Focus' battery to go flat? 19 Oct 2013 (Ask HJ)
  I purchased my Ford Focus 1.6 EcoBoost in April 2012. Since then the battery has gone flat on three occasions. The first time was three weeks after purchase....
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  How exactly does a hybrid car work and how is the electric battery charged? 15 Feb 2011 (Ask HJ)
  My questions are: 1) How exactly does a hybrid car work? 2) How is the electric part recharged and how far would the average car travel on one charge?...
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  Electric drain set 17 Jan 2009 (Ask HJ)
  I have a 2000 Audi 2.5 TDI which suffers an electric drain somewhere in the system, if I don't start the car for 3 days the battery will be too low to...
• VW Passat 1.8 litre (saloon, sunroof) - Passat battery drain mystery 6 Sep 2010 (Forum)
  I have read some great advice on this forum before about the common water-under-seat leak problems and possible battery drains, but after trying all the suggestions I still have a mystery drain on my battery. First visible problem was water welling up on the floor carpet in the rear (driver-side). Checked plenum area (as suggested in previous posts), but drain holes are fine; no evidence that the battery compartment has ever flooded.
• Ford Fiesta - Fiesta MK7 battery light issue 30 Sep 2020 (Forum)
  My 2011 fiesta 1.25 has an annoying problem where the battery light keeps coming on,  mostly on longer drives.  it's been like this for a while but the car has always been fine apart from the light.   While driving at the weekend the light came on again but this time more lights came on and the car started to drive weird (power steering and ABS stopped working) Stopped the car and turned it off, when trying to restart the battery was flat.
• 1994 Opel Astra Convertible 1.6 8v - Battery Died. Wont Start after Jumping 3 Apr 2016 (Forum)
  It started fine earlier and I wanted to clean it out as previous owner had a dog and it was full of hair. no offence to anyone just wanted to clean it lol. had the ignition on for a bit of radio whilst doing so and didn't think about the battery like a fool. so anyway, when I went to start it to move it back on my drive, it cranked over and slowly died. put some jump leads from my van to the astra ( the right way) and it just cranks of absolutely fine but will not fire up. has anyone any ideas what might need resetting or something that could of tripped when the battery died. it just doesn't want to fire up at all but will crank over fine or is there a set procedure to starting after battery has died or been replaced?