How to Replace the Battery in a 2002 Infiniti I35 Key Fob

Remote key fob grant easy access to your Infiniti. When the remote key fob battery is discharged you’ll not to be able unlock doors remotely. In this post, we explained how to disassembly your car key fob and replace your Infiniti key battery step by step.
What kind of battery remote key fob require
Don't forget before open key fob check all that you need: one CR2025 battery and flat head screwdriver.- flat head screwdriver
- 1xCR2025 battery
Simple steps to change the battery in your I35's keyless entry remote
A small button battery installed inside the your key fob. Delicately try to open your remote key fob with pry tools. Remove 1xCR2025 battery with flat head screwdriver.
Change old battery with new one CR2025. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.
After the new battery installed, verify remote key fob by pressing buttons. If everything working properly, assemble your keyless entry fob's body in reverse order.
The last thing to do is put your cover back on fob. Carefully try to assemble the pieces in place by hands from top to bottom. Check your key fob case for gaps. If it is not firmly closed try to repeat last step.
Video of remote key fob disassembly
How To Replace Infiniti I35 Key Fob Battery 2002 2004