How to Replace the Battery in a 2012 Nissan Sentra Key Fob
If your auto keyless entry remote is not unlock doors perfectly, the cell battery likely must to be changed. It's not complicated to change the battery in your key fob by yourself. All tools, that you need is outlined in this post.
What size battery does 2012 Nissan Sentra remote key fob requiredChanging battery in keyless entry remote require 1xCR2025 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
- flat head screwdriver
- 1xCR2025 battery
Step by step guide
A coin cell battery installed inside the your key fob. Move the key out of the way if it is in the key fob.
Carefully try to pry apart your remote key fob with flat head screwdriver. Remove one CR2025 battery with flat head screwdriver.
Get new battery and install it inside keyless entry fob's case. 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.
Before assembling keyless entry fob's case, check that all functions works by testing buttons on circuit board.
At this point squeeze keyless entry fob's back cover together. Line your body pieces together and assemble it in place by hands from top to bottom. If your key body tightly closed, we done. If not, repeat the last step.
Key Fob Battery Replacement 2012 Nissan Sentra Video
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