Join Date: Jul 2005
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Not too sure, but I think you have to reinitialize the keyless card after replacing the battery.
It will still work as a normal card, but there is a sequence of button presses that re-initialize keyless.
My wife has the cc today so I can't look in the book for the instructions. I will try and look tonight if I remember.
Currently in SportTourer's garage:
2010 Laguna III SportTourer Initiale Tom Tom.