How to Replace the Battery in a 2002 Nissan Altima Key Fob

How to Replace the Battery in a 2002 Nissan Altima Key Fob

If your Nissan keyless entry remote is not unlock doors perfectly, the battery surely must to be changed. In this article, we explained how to disassembly your car keyless entry remote and replace a dead battery yourself. If you gonna solve to do it at home near Altima, follow our guide, but first make sure you have all you need before you start.

What type battery remote key fob require

Before you start to disassembly key fob check all that you need: flat head screwdriver and 1xCR2025 battery.
  • 1xCR2025 battery
  • flat head screwdriver

Step by step instruction

A tiny button cell battery installed in the your keyless entry remote. Delicately try to disassemble your key with hands or flat head screwdriver. Replace 1xCR2025 battery with flat head screwdriver.

Now it's time to install new battery inside fob’s case. Be sure to connect the battery the right way around in a circuit. Your key will not work if you connect battery wrong way.

Before assembling keyless entry fob's case, make sure that all is functioning by testing buttons on circuit board.

At this point squeeze fob’s back cover together. Line your case two halves together and assemble it in place by hands from top to bottom. Check your key fob case for gaps. If it is not tightly closed try to repeat last step.

Video of remote key fob disassembly

How to Replace Battery Key Fob 02-06 Nissan Altima

Still not working? Buy new one

Frequently Asked Questions

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

Often, after key battery change, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Replacing your keyless entry remote battery is easy to do in 2002 Nissan Altima. Most of car manufacturers think about customers and make a special hole for key fob open.

The price to replace the battery in fob is in range from $30 to as high as $500 depending on the make and the service station.

You should replace batteries inside key fob of Nissan Altima at least every four years. lifespan of battery vary on frequency of use, quality and operating conditions.

If your Nissan need multiple clicks to unlock or lock doors, fob's battery more than 4 years old, key fob buttons not working or has low key battery indicator on dashboard, it's probably battery replace inside key fob required. Current battery is dead or weak with a high probability, but if it's not help to fix issues, key replace or repair needed.
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Fob Compatibility:

  1. FCC ID: KBRASTU15
  2. Models: 2002-2006 Nissan Altima