2009 Nissan Sentra Key Fob Battery Replacement Instructions

2009 Nissan Sentra Key Fob Battery Replacement Instructions

Key fob allow easy access to your auto. Once the key battery is weak you lose your fob’s ability to control remote opening function. In this post, we explained how to open Nissan keyless entry remote and change a weak battery DIY. If you decide to do it at home near Sentra, use this guide, but first make sure you have all you need.

What type battery does 2009 Nissan Sentra key fob required

Prior to disassembly keyless entry remote be sure that you have all recommended tools and materials: 1 CR2025 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2025 battery

Step by step guide

A tiny button cell battery installed inside the your key fob. Remove any internal key before you try to pry apart the key fob.

Delicately try to open your key with flat head screwdriver. Change 1 CR2025 battery with flat head screwdriver.

Change old battery with new one CR2025. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you connect battery wrong way.

Before assembling fob’s case, check that all functions works by pressing buttons on circuit board.

The last thing to do is put your cover back on fob. Carefully try to assemble the pieces together by hands from top to bottom. Inspect your fob case for gaps. If it is not tightly closed try to repeat last step.

Video of remote key fob opening

Nissan Key Fob Battery Change - How To DIY Learning Tutorials

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Nissan Sentra use 1xCR2025 batteries. Price for CR2025 batteries are under $4-6 depending on the type, size packaging and brand you buy. Take your old battery to the store, to be sure.

Usually, after keyless entry remote battery replace, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Changing your keyless entry remote battery is simple to do in 2009 Nissan Sentra. Most of car manufacturers think of the customers and make a special hole for keyless entry remote disassembly.

Car service price for change the battery in fob is $50-600 depending on the make.

You should replace batteries inside remote key fob of modern cars at least once in three or four years. lifespan of battery differ on usage time, quality and operating conditions. Lithium cells usually will last longer.

These signs will alert you that it's perhaps time to change battery in your Nissan Sentra: multiple clicks to unlock or lock doors required, key fob buttons not working, low key battery indicator on dashboard and signal strength reduced.
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Fob Compatibility:

  1. FCC ID: CWTWBU735
  2. Models: 2007-2012 Nissan Sentra