How to Open Your 2000 Nissan Sentra Key Fob & Change Battery

If your auto key fob is no longer open doors properly, the cell battery most likely needs to be replaced. In this article, we demonstrate how to disassembly Nissan keyless entry remote and change a weak or dead battery DIY. If you decide to do it at home near Sentra, follow our instruction, but first make sure you have everything you need before you start.
What is the battery keyless entry remote use
Changing battery in key fob require one CR2025 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.- flat head screwdriver
- 1xCR2025 battery
Step by step guide
Inside of your key fob installed small coin cell battery. Gently try to disassemble your keyless entry remote with flat head screwdriver. Change 1xCR2025 battery with flat head screwdriver.
Now it's time to install new battery in fob’s shell. Be sure to connect the battery the right way around in a circuit. Your key will not work if you place battery wrong way.
Before assembling keyless entry fob's case, verify that all is functioning by testing buttons on remote key fob.
The last thing to do is put your cover back on fob. Accurately try to assemble the pieces together by hands from top to bottom. Check your key body for gaps. If it is not tightly closed try to repeat last step.
Key Fob Battery Replacement 2000 Nissan Sentra Video
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Still not working? Buy new one