What's the chrysler 300 key fob battery size?

The size of the battery for the 2018 Chrysler 300 is a CR2032 3v lithium battery. The battery for the 300 should last anywhere froM3 to 4 years or so. You can tell when it is going bad when it doesn't respond right away or doesn't work at all. The cost of a new key fob battery for the vehicle is anywhere from $3 to $10 depending on the brand and where You get it from. To replace the battery on the key fob You will need a flathead screwdriver or any small prying tool. ON the backside of the key fob there is a little switch that You need to slide over and then You can pull out the key. And where the key pulls out from take the flathead screwdriver and pry it open and then You are able to replace the battery.