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

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

If your Nissan key is not unlock doors properly, the cell battery likely must to be replaced. Below, you’ll benefit from knowing how to open Nissan remote key fob and replace a weak or dead battery yourself. If you decide to do it at home near Sentra, follow our guide, but first make sure you have everything you need.

What kind of battery keyless entry remote use

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

Step by step instruction

A small button cell battery installed in the your keyless entry remote. Accurately try to disassemble your keyless entry remote with pry tools. Change 1 CR2025 battery with flat head screwdriver.

Replace old battery with new one CR2025. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote will not work if you place battery wrong way.

When the new battery installed, verify key fob by pressing buttons. If everything is functioning, assemble your fob’s body in reverse order.

The last thing to do is put your cover back on fob. Carefully try to assemble the pieces in place by hands from top to bottom. If your fob body firmly closed, we done. If not, repeat the last step.

How to change the battery video guide

Nissan Sentra / Maxima Key Fob Battery Replacement - EASY DIY

Still not working? Buy new one

FAQ

Key fob of Nissan Sentra use 1xCR2025 batteries. Most CR2025 batteries are under $4-6 depending on the size packaging, type and brand you buy. Take your old battery to the store, with you to find a proper replacement.

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

Changing your remote key fob battery is simple to do in 2002 Nissan Sentra. Most of car manufacturers think about clients and make a special hole for remote key fob disassembly.

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

Key fob batteries in Nissan Sentra should be replaced every three or four years, also this will vary based on their amount of use and build quality. If your key fob reduced signal strength, you should replace batteries before it stop open doors and make problems for you.

These signs will alert you that it's perhaps time to replace battery in your 2002 Nissan Sentra: multiple clicks to unlock or lock doors required, low key battery indicator on dashboard, key fob buttons not working and you didn't change battery more than 4 years.
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Fob Compatibility:

  1. FCC ID: NHVBU427
  2. Models: 2000-2004 Nissan Sentra