Not on any key I know of.
Changing a Mazda 2 battery in the key fob is quite simple. You will need to use a flat head screwdriver to pry open the fob. You will then take the battery out with the screwdriver and replace it.
Need the year and model VW to answer the question.
How do you change the battery in mazda 5 key?
open the lid and change it.
The fob has a pry slot and prys apart.
you get 3 mins to change the battery.
Changing the battery on a Viper alarms key fob is very easy to do. The back of the key ob. comes off and the battery is located inside. Simply change out the battery with a new one and replace the back of the key fob.
To change the battery, just take a coin and insert it in the whole at the bottom of the key fob, twist it and it will pop apart. Battery is right inside.
CR2032
I don't no how to do it
Yes you can just change the battery
To change the key fob battery in a Peugeot 307, first, locate the small slot or indentation on the fob. Use a flathead screwdriver or a similar tool to gently pry open the fob. Once open, remove the old battery, noting the orientation, and replace it with a new CR2032 battery. Finally, reassemble the fob by snapping it back together.