How to Open Your 2002 Nissan Maxima Key Fob & Change Battery

How to Open Your 2002 Nissan Maxima Key Fob & Change Battery

Key fob grant access to your Maxima. When the key fob battery is weak you not to be able close doors from distance. Below, you will benefit from knowing how to open Nissan key fob and replace a discharged battery yourself. If you choose to do it at home near Maxima, use this instruction, but first make sure you have all you need.

What kind of battery remote key fob require

Changing battery in key fob require 1xCR2025 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

Simple steps to replace the battery in your car's key fob

A tiny button cell battery installed inside the your keyless entry remote. Delicately try to open your fob with flat head screwdriver. Change 1 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.

After the new battery installed, check key fob functionality by pressing buttons. If all functions works, assemble your fob’s case in reverse order.

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. Check your key fob body for gaps. If it is not firmly closed try to repeat last step.

Video of remote key fob disassembly

How To Replace Nissan Maxima Key Fob Battery 2002 2006

Still not working? Buy new one

Frequently Asked Questions

Key fob of Nissan Maxima use 1xCR2025 batteries. Most CR2025 batteries are under $5 depending on the type, size packaging and brand you buy. You can take old battery to the store, to find a proper replacement.

Keyless entry remote in most of cases do not require to be reprogrammed after battery change. If your key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can replace battery in your 2002 Nissan Maxima key yourself. Most hard part is to disassembly fob’s case. It's pretty simple with our instruction.

The cost to replace the battery in keyless entry remote is in range $50-600 depending on the car and the service pricing.

Keyless entry remote batteries in Nissan Maxima should be replaced once in 4 years, also this will differ based on their amount of use and battery quality. If your key fob reduced signal strength, you should change batteries before it stop close doors and make problems for you.

If your Maxima fob's battery more than 4 years old, key fob buttons not working, need multiple clicks to unlock or lock doors or signal strength reduced, it's probably battery change in key fob required. Current battery is dead with a high probability, but if it's not help, keyless entry remote replace or repair required.
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Fob Compatibility:

  1. FCC ID: KBRASTU10
  2. Models: 2000-2002 Nissan Maxima