2002 Nissan Frontier Key Fob Battery Replacement Guide

Key fob grant easy access to your car. Once the key battery is dead or weak you’ll not to be able unlock car remotely. In this article, we walks you through how to disassembly your car keyless entry remote and change your Nissan key battery.
What kind of battery remote key fob use
Prior to disassembly remote key fob check all that you need: flat head screwdriver and 1 CR2025 battery.- 1xCR2025 battery
- flat head screwdriver
Step by step instruction
Inside of your key fob installed tiny button cell battery. Delicately try to disassemble your key fob with pry tools. Change CR2025 battery with flat head screwdriver.
Get new battery and install it in keyless entry fob's body. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.
After the new battery installed, verify key fob by pressing buttons. If all functions works, assemble your keyless entry fob's case in reverse order.
The last thing to do is put your cover back on fob. Carefully try to assemble the two halves together by hands from top to bottom. Check your fob body for gaps. If it is not tightly closed try to repeat last step.
Video of key opening
How To Replace Nissan Frontier Key Fob Battery 2002 2003 2004 2012 2013
Still not working? Buy new one