Wilson777 Posted January 23, 2019 Share Posted January 23, 2019 Hi, Am I ok to just change the battery in my focus key fob (2015) or should I be taking it to get changed at a dealership? I don't know if it needs any sort of programming following a battery replacement? Thanks Quote Link to comment Share on other sites More sharing options...
pragmatix Posted January 23, 2019 Share Posted January 23, 2019 Its just a straight swop, but dont leave it without a battery for to long 1 Quote Link to comment Share on other sites More sharing options...
Wilson777 Posted January 23, 2019 Author Share Posted January 23, 2019 Great, thanks. Do you know which battery it takes? I know it is the circular one but don't want to pick up one that is too small/large then open the key up. Thanks Quote Link to comment Share on other sites More sharing options...
JAKE191 Posted January 23, 2019 Share Posted January 23, 2019 Hi The battery for the remote fob is CR2032 2 Quote Link to comment Share on other sites More sharing options...
isetta Posted January 23, 2019 Share Posted January 23, 2019 poundland do a pack of 8 x silver coin style batteries which includes 4 of CR2032. How long they last for though I wouldn't like to say. Multi packs also very cheap on eBay but again battery life might be poor (don't foget if you buy top brand ones on eBay they might be fake and last a short time) Quote Link to comment Share on other sites More sharing options...
Wilson777 Posted January 23, 2019 Author Share Posted January 23, 2019 Thanks all, There was an automotive parts shop in the industrial estate where I work, I got 2 batteries for £4. Switched one of the batteries over and all seems OK at the moment. I will look to pick up some quality branded ones to keep in the car in case these ones do not last. Cheers Quote Link to comment Share on other sites More sharing options...
Micro Posted January 24, 2019 Share Posted January 24, 2019 Poundland one has been in my keyfob for a little over a year and seem ok. Quote Link to comment Share on other sites More sharing options...
Paul99 Posted October 24, 2019 Share Posted October 24, 2019 I've replaced my key fob battery twice in the last month and now 2 weeks later the car is saying battery low again. I'm using Duracell CR2032 batteries. Any ideas whats going wrong? Quote Link to comment Share on other sites More sharing options...
Westville Posted October 24, 2019 Share Posted October 24, 2019 2 hours ago, Paul99 said: I've replaced my key fob battery twice in the last month and now 2 weeks later the car is saying battery low again. I'm using Duracell CR2032 batteries. Any ideas whats going wrong? Check the stock date of the battery you use - LOADS of stores/suppliers are selling very old stock and these large button cells seem to crap out quicker than many others when they age Quote Link to comment Share on other sites More sharing options...
StephenFord Posted October 25, 2019 Share Posted October 25, 2019 If you have a multi meter, check the voltage of the battery, a fresh one should easily pump out 3.1V. I you don't have one, buy one cheap on eBay, they are a darn useful bit of kit LOL Quote Link to comment Share on other sites More sharing options...
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