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Battery For Key-Fob How To?

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Hi help please

What type of Battery do you need for the key as mine has given up on my 3 button master key and I am using my spare key?

Can the Battery be purchased in Halfords and how easy is it to open the key, looks like one screw?



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Yes just the small screw to get inside and take remote bit out then 2 more similar on that to uncover the Battery.

The batteries in mine are CR1616 and I got some from eBay trader beakytrading. Check item no. 260294304062

This should hopefully be a direct link (I think) :lookaround:

The originals in mine from new were Panasonic too so I was even double sure they were the right ones :rolleyes:

In the meantime could just swap them between keys.

Probably best to confirm that's what you have first as I think I remember a topic about some being different.


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4 x LEXUS CR1616 KEY FOB BATTERIES were £3.20, arrived 4 days later :)

Note to others: do not remove any Battery from key fob for a long time, as you may have to reset your key again!


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Glad you got hold of the batteries OK - the hardest thing I found when I did mine was to find a screwdriver small enough for the job. I had to use my dad's spec screwdriver set to get into the key casing in the end as even my smallest screwdriver head was too large. Was a 5min job in the end and cost next to nothing...I just wish all my other car related jobs were as easy!

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