How to Open Your 2011 Infiniti FX50 Key Fob & Change Battery

How to Open Your 2011 Infiniti FX50 Key Fob & Change Battery

Keyless entry remote allow easy access to your FX50. If the keyless entry remote battery is weak you will not to be able close doors from distance. Below, you’ll benefit from knowing how to open Infiniti remote key fob and change a dead battery yourself. If you choose to do it at home near FX50, follow our guide, but first make sure you have tools and materials required.

What type battery does 2011 Infiniti FX50 key fob required

Replacing battery in remote key fob require CR2032 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step instruction

Inside of your keyless entry remote installed tiny coin cell battery. Delicately try to open your keyless entry remote with flat head screwdriver. Change 1xCR2032 battery with flat head screwdriver.

Replace old battery with new one CR2032. 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.

Before assembling keyless entry fob's case, verify that everything is functioning by pressing buttons on keyless entry remote.

At this point squeeze keyless entry fob's back cover together. Line your case two halves together and assemble it together by hands from top to bottom. Inspect your fob body for gaps. If it is not firmly closed try to repeat last step.

How to change the battery video guide

How To Change An Infiniti Key Fob Battery-Tutorial

Still not working? Buy new one


Key fob of Infiniti FX50 use 1xCR2032 batteries. Most CR2032 batteries are under $6 build upon the size packaging, brand and type you buy. Take your old battery to the store, with you to find a proper replacement.

Often, after key battery change, you do not need to reprogram. Remote key fob reprogramming procedure often described in user's manual of your vehicle.

Yes, you can replace battery in your 2011 Infiniti FX50 remote key fob yourself. Most difficult part is to open fob’s case. It's pretty simple with our step by step guide.

Car service pricing for change the battery in key is $50-600 depending on the make.

Remote key fob batteries in Infiniti FX50 should be changed every four years, but this will vary based on usage and quality. If your keyless entry remote shortened signal strength, you should change batteries before it stop open doors and make trouble for you.

These signs will warn you that it's probably time to replace battery in your Infiniti FX50: low key battery indicator on dashboard, you didn't change battery more than 4 years, key fob buttons not working and signal strength reduced.
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Other Infiniti Models:

Fob Compatibility:

  1. FCC ID: KR55WK49622
  2. Models: 2009-2013 INFINITI FX50