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• BMW M3 convertible 8 Jun 2007 (Forum)
  Does anyone know of any battery problems with this vehicle, leading to fire and eventual destruction?
• Hybrid or all electric 13 Mar 2019 (Forum)
  Battery tech has improved in recent years but costs need to plummet before electric power becomes economical for the masses in the longterm and the government jumping in to effectively ban combustion engines in the near future will force many on limited means off the road unless something improves quickly.
• Volkswagen Golf 1.4tsi DSG - Economy Mode on Golf 9 Jun 2014 (Forum)
  Over 500 pages covering every model and every gizmo available. The hundreds of 'Warnings' are often amusing. On changing the battery in the key fob it states: DANGER Swallowing batteries with a diameter of 20mm or other lithium batteries can result in severe or even fatal injuries within a very short period of time.
• Citroen c5 - Citroen c5 hdi 02 trouble starting 23 Feb 2013 (Forum)
  I changed the battery and I'm still having simular problems, when the cars been sat for a while, like overnight, it really struggles to start, barly turning over untill it finaly kicks in, (with the new battery I'm yet to have a non start or Eco mode) But then it fires up great for the rest of the day, no problems, I thought it was the cold as its every morning during this weather but the other snowy morning it fired stright up no probs, then the next mild morning started to suffer again, what could this intermittent problem be?
• Peugot 306 - Cooling fan / car runs when key removed 26 Feb 2011 (Forum)
  Drove my 306 back from work pretty fast and when I got home cooling fan remained on at full pelt for about 15 minutes after I'd stopped and switched off the ignition. Naturally this drained the battery somewhat, but by giving the car a hefty rev alongside the ignition it did get going. I took it for a short spin to get the battery charged but when I returned I got a nasty surprise. The engine stayed running even when I turned off the ignition and removed the key!
• Pug 307 2.0 HSI - Fault Code P1621- and error lights -Please Help 9 Oct 2010 (Forum)
  the engine light comes on sometimes with the anti pollution alert, but its not all the time  The car has trouble starting in the morning and evenings when its not been used much, so im guessing battery ?  The fault code we got was P1621. (  P1621 Control module Long term memory performance / Immobiliser code words Not matched)  what does that mean ??  Can anyone tell me if im guessing right and the battery has not enough power hence all the warnings are coming up?
• Vauxhall Corsa B (1993 - 2000) - 99 1.2 leaking battery smell when heater is on 9 Feb 2010 (Forum)
  My header tank is full of crap its like horrible stuff floating around it, somebody said this could be breaking up radweld. When I have the heater on I can smell a leaking battery sort of smell could this be the leaking coolant which is hot? I've had a look round the heater matrix and all seems dry but I suspect the leak is one of the hoses that joins it and the previous owner had tried to fix it with rad weld.
• Ford Focus (1998 - 2004) - 99 1.8 Alternator only lasting 3 months! 18 Jan 2010 (Forum)
  He has managed to get 3 of them on a warranty as faulty units (which he thinks they are not faulty when fitted). We have looked at earthing problems and discounted battery (new one) and are now looking at the "smart charge" system and ECU fault, even though ECU reader has indicated no faults. The things die in the same way, battery light comes on, battery puts out 12ish vaults under load and refuses to increase to any more than 12.4 vaults.
• Citroen Xsara Picasso (2000 - 2010) - 01 1.8 key fob not working 19 Aug 2009 (Forum)
  hi all, my key fob as stopped working due to the fact that my heater controls are on a perminent live, when i get out i have to turn my heaters off else my battery goes flat. The other night i forgot, i was late for work and was in a rush. when i came out to go home i could not unlock my doors with the key fob - not enough power in the battery i think, i eventually got my door lock to open, it was a bit stiff to open due to the fact they never get used, anyway i got the car running.
• FIAT Punto (1994 - 1999) - 97 1.1 Running problems. 25 Nov 2008 (Forum)
  Reading the codes I had 10 separate codes mainly for, I suspect, sensors etc disconnected with the ignition on. All cleared off except for one "Battery Voltage" (No codes only a narrative) Battery voltage is not bad at 14.02 but battery voltage on live data varies between 8 and 15 volts. I've not physically measured the voltage at the ecu pin yet.
• Vauxhall Astra F (1991 - 1998) - 1997 TDS (isuzu) - rev counter 3 Dec 2007 (Forum)
  I managed to do 250 motorway miles today with lights on, at the end of the journey still getting 12.5 volts across the battery with the engine running. So the alternator seems to be working to some degree, but something is still definitely up. With the engine running shouldn't I be getting about 13.5 volts across the battery?
• Yaris starting problem 17 Dec 2002 (Forum)
  How is battery condition tested anyway? I assume voltage is no real indicator unless under load, but how much load do you need? TIA!
• What's the Silliest Thing ... ? 6 Mar 2002 (Forum)
  Result: Even later for work - and radiator, antifreeze, cooling fan and battery charger up the spout. This is just one of the very many silly things I've done in my time. Tell me I am not alone!
• ICE CARS 30 Dec 2021 (Forum)
  https://www.mirror.co.uk/news/world-news/brand-new-cars-frozen-igloos-25806298  How will batteries cope with this!
• Renault Megane Coupe - Burglar Alarm 12 Aug 2020 (Forum)
  How do you reset the alarm after a battery change?
• Focus Mk 1 - Dash not working, no dial movement 22 Feb 2025 (Forum)
  Focus 2002 mk1  1.6 After connecting battery back after a few weeks disconnected to save battery power.  The car starts but i am getting no movement from speed and rev dials, and the miles dont show and the oil and fuel still show in the mid position .
• Toyota RAV4 - Toyota Rav 4 enging turns, not starting 18 Aug 2022 (Forum)
  Did not use car for about a month. Battery went flat so took it out got it recharged. Reinstalled it and took out the spark plugs and cleaned them throughly. Engine now cranks over but car will not start. Car was working like a champ prior to battery going flat so I cannot believe it is a starter motor problem or other major part going down.
• Vw golf - Cheap overnight in car camera to catch vandal? 14 May 2022 (Forum)
  My car is old and I am on a budget, but I cannot afford the plugs/new tyres anymore. Is there something battery powered with an SD card that I can set that works on its own without draining my car battery? I only need one camera and I can't spend lots of money on a flashy system. Thanks.
• Honda Jazz - Battery Maintenance 19 Apr 2022 (Forum)
  My mum has an original model Honda Jazz that she doesn't use very much but doesn't want to get rid of it and give up her independence.  As its...
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  My car could be off-road for up to six months, how should I look after it? 6 Mar 2017 (Ask HJ)
  My car could be off-road for up to six months, how should I look after it?