As in the title - the battery on the remote plip is dead, and conflicting numbers on various websites as to which is the correct battery has confuddled me to the point where I am turning to the collective wisdom of the Singletrack massive for inspiration 
The most commonly referred one is a CR2016 but having opened up the case (it's a flip, 2 button type of key, btw) the battery looks waaay smaller than a 2016. No markings on the existing one doesn't help either 
Appreciate any advice from those who understand cars / have successfully resolved similar experiences!
