How to Replace the Battery in a 2004 Nissan Altima Key Fob

If your Altima remote key fob isn't open doors correct, the battery more likely needs to be replaced. In this post, we outlined how to disassembly your car keyless entry remote and change your Nissan key battery.
What is the battery key fob use
Before starting disassembly key fob be sure that you have all recommended tools and materials: 1 CR2025 battery and flat head screwdriver.- 1xCR2025 battery
- flat head screwdriver
Step by step instruction
A small coin battery installed inside the your keyless entry remote. Carefully try to pry apart your key with pry tools. Replace 1 CR2025 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 charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.
Before assembling fob’s case, make sure that all functions works by testing buttons on circuit board.
At this point squeeze fob’s back cover together. Line your case pieces together and assemble it in place by hands from top to bottom. If your keyless entry remote case firmly closed, we done. If not, repeat the last step.
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