Key fob battery replacement

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I'm looking to replace the batteries in one/both of my remote key fobs. Can anyone confirm that it's simply a case of replacing the cell and that not coding or any such is required?

B8.5, no start/stop ignition button, fobs have boot opening button and lock/unlock.

Thanks in advance
 

arobson90

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Hi mate, I've got an 2012 a4 and just replaced the battery. No issues.
 

ch1z64

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Just replace and it should be alright
 

ch1z64

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Brilliant, thanks for the confirmation all.

CR2032 - have one in the house too, so that's a bonus!
Place it in and before you put bk on key hold battery down and check it opens / closes car if you have beeps
 
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