2001 Mazda Protege Key Fob Battery Replacement Guide

Remote key fob allow access to your Protege. Once the key battery is dead or weak you’ll lose your fob’s ability to use remote opening function. In this article, we explained how to open your car key fob and change your Mazda key battery step by step.
What is the battery key fob require
Changing battery in key fob require flat head screwdriver and CR2025 battery. Prepare these materials and tools before opening and make sure to match the type of your keyless entry fob's batteries.- flat head screwdriver
- 1xCR2025 battery
Step by step guide
Inside of your key fob installed tiny coin cell battery. Gently try to pry apart your key fob with pry tools. Replace 1 CR2025 battery with flat head screwdriver.
Replace old battery with new one CR2025. Battery must be installed with the same polarity as was an old. Your remote key fob will not work if you by mistake place battery wrong way.
Before assembling keyless entry fob's case, make sure that everything is functioning by pressing buttons on circuit board.
The last thing to do is put your cover back on fob. Accurately try to assemble the two halves together by hands from top to bottom. If your keyless entry remote body tightly closed, we done. If not, repeat the last step.
Key Fob Battery Replacement 2001 Mazda Protege Video
How To Replace Mazda Protege Key Fob Battery 2001 2002 2003
Still not working? Buy new one