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Keyless Entry


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Hi all, got in my car today (Ford Focus Titanium 2012) and a message flased up on teh dash screen saying the battery in my keyless fob needed replacing, ok i thought, i'll go get my spare and use that instead for a while until i have changed said battery.

I could not open the car with the spare, its not been used so i presume the batterys good to go so is there some thing that i need to do to maby re sync it to the car maybe ?

DSC00113_zps172b1016.jpg

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Yes Alex,,pressed the buttons and nothing, then i was tapping the buttons on it like a demented woodpecker still with no joy.

Did the key blade removal you mentioned James and it worked,, cheers.

So,, anyone know which battery it takes, i also heard you only have so long to change it or it needs re programing so i dare not take the old one out to have a look, lol

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Yes Alex,,pressed the buttons and nothing, then i was tapping the buttons on it like a demented woodpecker still with no joy.

Did the key blade removal you mentioned James and it worked,, cheers.

So,, anyone know which battery it takes, i also heard you only have so long to change it or it needs re programing so i dare not take the old one out to have a look, lol

Should tell you\in the handbook what the battery change procedure is and what type of battery it takes.

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Sorry gents, but i just re read my last post,, what i mean is,, you only have so long changing said battery, i read that you had about 10 mins to take the old battery out and put the new one in or the key needs re programing because its been without a battery too long if you get me.

Is this rubbish and does the answer James gave me still stand ?

Thankyou for the battery number as well James. :)

cheers,,, Ian.

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It's a motherboard battery I think it's actually cr2032 but my memory had turned to mush. Easiest answer is take the key apart and confirm the battery, even with no experience it should take only a few minutes once you have the old battery out to push the new one in so I wouldn't worry, but as I say of the battery is completely dead, it won't matter as there's no keep alive memory running with a totally dead battery

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Spot on James,,, also says in the book,, CR2032, my spare key also had the low battery warning on the display so i got a x2 pack for £4 at Halfords and changed both, took about 2 mins per key following this vid,,

both keys are now working fine,,, thanks guys.

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