How to Replace the Battery in a 2003 Mazda B2300 Key Fob
If your Mazda key is not unlock doors well, the cell battery likely must to be changed. In this post, we walks you through how to open your car keyless entry remote and replace your Mazda key battery.
What type battery remote key fob use
Prior to open keyless entry remote check all that you need: one CR2032 battery and flat head screwdriver.- 1xCR2032 battery
- flat head screwdriver
Simple steps to change the battery in your car's keyless entry remote
Inside of your keyless entry remote installed coin cell battery. Accurately try to disassemble your fob with pry tools. Remove 1 CR2032 battery with flat head screwdriver.
Now it's time to install new battery inside fob’s case. Battery must be placed with the same position as was a previous. Your remote key fob will not work if you mistakenly put battery wrong way.
When the new battery installed, verify key fob by pressing buttons. If all functions works, assemble your fob’s case in reverse order.
At this point squeeze keyless entry fob's back cover together. Line your case pieces together and assemble it in place by hands from top to bottom. If your key fob case firmly closed, we done. If not, repeat the last step.
Video of key fob opening
How To Replace Mazda B2300 Key Fob Battery 2001 2009
Still not working? Buy new one