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Any Know How Often The Mk4 Fob Battery Needs Replacing?


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I bought my Focus in December 2019 (seems ages ago 😀). The first main service is due in December, but I may get in done around early

November.

Just asking now as it's on my mind, are the fob batteries changed every service ? 

 

Many thanks

 

 

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Normally last a year then you'll need to fit a new one in. Doubt the dealer will do that as part of the service for you.

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@Amdyr55 Many thanks, I thought that was the case. I will get the fob battery changed, plus the spare. After 14 months both fobs are working fine, but better be on the safe side.

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@jeff-d I presume the battery cannot be changed yourself as the fob would need re-programmed? (That was why I thought

that as the service is two yearly, it would be wiser to get it changed then)

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Takes a couple of minutes to change the battery yourself if you follow handbook instructions no programming required. Taking it to a dealer just lets them overcharge for a battery and labour unless your lucky

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