How to Open Your 1998 Nissan 240SX Key Fob and Change Battery

How to Open Your 1998 Nissan 240SX Key Fob and Change Battery

Key fob grant easy access to your 240SX. When the key fob battery is discharged you’ll not to be able close doors from distance. It's not difficult to replace the battery in your key fob with our guide. All tools, that you need is outlined in this post.

What is the battery remote key fob use

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

Step by step guide

A small coin battery installed in the your key fob. Carefully try to pry apart your key with hands or flat head screwdriver. Replace one CR2025 battery with flat head screwdriver.

Now it's time to install new battery in keyless entry fob's body. 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.

After the new battery installed, verify remote key fob by pressing buttons. If all functions works, assemble your keyless entry fob's shell in reverse order.

The last thing to do is put your cover back on fob. Delicately try to put the two halves in place by hands from top to bottom. If your key shell firmly closed, we done. If not, repeat the last step.

How to replace the battery video instruction

How To Replace Nissan 240 SX Key Fob Battery 1995 1996 1997 1998

Still not working? Buy new one


Key fob of Nissan 240SX use 1xCR2025 batteries. Price for CR2025 batteries are under $5 build upon the size packaging, brand and type you buy. Take your old battery to the store, to find a proper replacement.

Usually, after key battery replace, reprogramming not required. Keyless entry remote reprogramming procedure often described in user's manual of your vehicle.

Yes, you can change battery in your 1998 Nissan 240SX keyless entry remote yourself. Most hard part is to disassembly fob’s case. It's pretty easy with our instruction.

The cost to change the battery in key fob is $50-600 depending on the brand and the service pricing.

You should change batteries inside remote key fob of Nissan 240SX at least once in four years. lifespan of battery vary on their amount of use, quality and operating conditions.

If your 240SX fob's battery more than 4 years old, signal strength reduced, need multiple clicks to unlock or lock doors or has low key battery indicator on dashboard, it's probably battery replace inside remote key fob needed. Installed battery is discharged with a high probability, but if it's not help to fix issues, fob replace or repair required.
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Fob Compatibility:

  2. Models: 1995-1998 Nissan 240SX