Replace Key Fob Batteries

How to Replace the Battery in a 2002 Infiniti I35 Key Fob

How to Replace the Battery in a 2002 Infiniti I35 Key Fob

Remote key fob grant easy access to your Infiniti. When the remote key fob battery is discharged you’ll not to be able unlock doors remotely. In this post, we explained how to disassembly your car key fob and replace your Infiniti key battery step by step.

What kind of battery remote key fob require

Don't forget before open key fob check all that you need: one CR2025 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2025 battery

Simple steps to change the battery in your I35's keyless entry remote

A small button battery installed inside the your key fob. Delicately try to open your remote key fob with pry tools. Remove 1xCR2025 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 current cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.

After the new battery installed, verify remote key fob by pressing buttons. If everything working properly, assemble your keyless entry 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. Check your key fob case for gaps. If it is not firmly closed try to repeat last step.

Video of remote key fob disassembly

How To Replace Infiniti I35 Key Fob Battery 2002 2004

Still not working? Buy new one

Frequently Asked Questions

Key fob of Infiniti I35 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 be sure.

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

Changing your keyless entry remote battery is simple to do in 2002 Infiniti I35. Most of car manufacturers think of the customers and make a special hole for remote key fob open.

The cost to change the battery in key fob is in range from $30 to as high as $500 depending on the brand and the service station.

Keyless entry remote batteries in modern cars should be replaced once in three or four years, although this will vary based on usage and battery quality. If your remote key fob decreased signal strength, you should change batteries before it stop working and make trouble for you.

These symptoms will alert you that it's possible time to replace battery in your Infiniti I35: signal strength reduced, you didn't change battery more than 4 years, low key battery indicator on dashboard and key fob buttons not working.
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Contents:

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Infiniti Models:

Fob Compatibility:

  1. FCC ID: KBRASTU10
  2. Models: 2002 Infiniti I35