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

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.

Key Fob Battery Replacement 2004 Nissan Altima Video

How to Replace Battery Key Fob 02-06 Nissan Altima

Still not working? Buy new one


Keyless entry remote of Nissan Altima require 1xCR2025 batteries. Price for CR2025 batteries are under $6 depending on the type, size packaging and brand you buy. Take your old battery to the store, with you to find a proper replacement.

Usually, after keyless entry remote battery change, reprogramming not required. Key fob reprogramming procedure often described in user's manual of your vehicle.

Yes, you can replace battery in your 2004 Nissan Altima remote key fob yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty simple with our step by step guide.

Auto repair shop's cost for change the battery in remote key fob is from 50 to 600 dollars depending on the brand.

Key fob batteries in Nissan Altima should be replaced every four years, but this will differ based on their amount of use and battery quality. If your key fob decreased signal strength, you should change batteries before it stop working and make problems for you.

These signs will alert you that it's perhaps time to change battery in your Nissan Altima: you didn't change battery more than 4 years, signal strength reduced, multiple clicks to unlock or lock doors required and low key battery indicator on dashboard.
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Fob Compatibility:

  2. Models: 2002-2006 Nissan Altima