Replace Key Fob Batteries

2006 Nissan Sentra Key Fob Battery Replacement Instructions

2006 Nissan Sentra Key Fob Battery Replacement Instructions

If your car key fob is not working perfectly, the cell battery most likely needs to be changed. Below, we demonstrate how to disassembly Nissan remote key fob and change a discharged battery DIY. If you decide to do it at home near Sentra, follow our guide, but don't forget to check everything you need.

What type battery key fob use

Before going to open key fob make sure that you have all required tools and materials: flat head screwdriver and CR2025 battery.
  • 1xCR2025 battery
  • flat head screwdriver

Step by step guide

Inside of your keyless entry remote installed button battery. Carefully try to open your fob with flat head screwdriver. Replace CR2025 battery with flat head screwdriver.

Get new battery and install it inside fob’s shell. Battery must be placed with the same polarity as was an old. Your remote key fob will not work if you mistakenly place battery wrong way.

Before assembling fob’s case, make sure that all functions works by testing buttons on keyless entry remote.

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

Video of key opening

DIY: Nissan Keyless Remote Battery Replacement & Disassembly

Still not working? Buy new one

FAQ

Remote key fob of Nissan Sentra use 1xCR2025 batteries. Price for CR2025 batteries are under $4 build upon the type, size packaging and brand you buy. Take your old battery to the store, with you to find a proper replacement.

Often, after key battery replace, reprogramming not required. Key fob reprogramming procedure often described in user's manual of your vehicle.

Yes, you can replace battery in your 2006 Nissan Sentra keyless entry remote yourself. Most hard part is to disassembly fob’s case. It's pretty easy with our step by step guide.

The cost to change the battery inside remote key fob can run anywhere from $30 to as high as $500 depending on the car and the service pricing.

Key fob batteries in modern cars should be replaced every 3-4 years, although this will vary based on frequency of use and quality. If your remote key fob shortened signal strength, you should replace batteries before it stop working and make trouble for you.

If your car key fob buttons not working, fob's battery more than 4 years old, has low key battery indicator on dashboard or need multiple clicks to unlock or lock doors, it's probably battery change inside key fob required. Currently installed battery is dead with a high probability, but if it's not help, key fob change or repair required.
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Contents:

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Nissan Models:

Fob Compatibility:

  1. FCC ID: CWTWB1U429
  2. Models: 2003-2008 Nissan Sentra