pilgarlick

I did have similar difficulty initially but realised that I could insert a slim blade between cover and fob to ease the battery into its housing whilst clicking the cover shut.

I got caught out yesterday, when my wife had to walk back from the local supermarket, having been unable to open the car with the keyfob. ( I had once shown her how to open the door with the key itself , but it was a long time ago and she had forgotten). I walked back with her and the spare key, only to find the same problem. Initially I suspected an issue with the central locking system as, when I got home, I tested the fob batteries and found them both in excess of 3 volts. I changed both batteries about three months ago, but ever since had been getting the low battery warning regularly. I assumed that there was an error in the software or warning system and, foolishly, was happy to ignore those warnings. Before investigating further, and still assuming that the fault lay with the car rather than the key, I changed both batteries for brand new and reputable 2032s rather than the 2025s again. Much to my relief and surprise, all was now well. I presume that, although I appeared to have a good voltage in the older batteries, it was not enough under load to unlock the car. The giveaway, I realised, was that I was getting no LED flash back from the key when I pressed any of the buttons. You learn something every day. My original batteries were on a card bought from a cheapo shop; they work other inconsequential stuff around the house but are clearly not man enough for the keyfob. I suppose the moral is not to keep ignoring a low key battery warning.....