How to Replace the Battery in a 2018 Infiniti QX80 Key Fob

How to Replace the Battery in a 2018 Infiniti QX80 Key Fob

If your car keyless entry remote isn't working properly, the cell battery surely needs to be replaced. Yes, it is possible to replace the battery in your keyless entry remote by yourself. Everything you need is explained in this post.

What is the battery key fob use

Before beginning disassembly keyless entry remote make sure that you have all recommended tools and materials: flat head screwdriver and 1 CR2025 battery.
  • 1xCR2025 battery
  • flat head screwdriver

Simple steps to change the battery in your car's remote key fob

Inside of your keyless entry remote installed small coin cell battery. Gently try to disassemble your key fob with pry tools. Change 1 CR2025 battery with flat head screwdriver.

Get new battery and install it inside fob’s body. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you place battery wrong way.

Before assembling keyless entry fob's case, verify that all is functioning by pressing buttons on circuit board.

At this point squeeze keyless entry fob's back cover together. Line your body pieces together and assemble it together by hands from top to bottom. If your fob case firmly closed, we done. If not, repeat the last step.

How to change the battery video guide

How To Change An Infiniti Key Fob Battery-Tutorial

Still not working? Buy new one

FAQ

Key fob of Infiniti QX80 use 1xCR2025 batteries. Price for CR2025 batteries are under $4-6 build upon the type, brand and size packaging you buy. Take your old battery to the store, with you to find a proper replacement.

Keyless entry remote in most of cases reprogramming not required after battery replace. If your key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Changing your key fob battery is easy to do in 2018 Infiniti QX80. Most of car manufacturers think of the customers and make a special hole for keyless entry remote disassembly.

Car service pricing for change the battery in key fob is from $30 to as high as $500 depending on the make.

You should change batteries inside remote key fob of modern cars at least once in three years. The lifetime of battery vary on frequency of use, quality and operating conditions. Famous brands cells normally will last longer.

If your Infiniti has low key battery indicator on dashboard, fob's battery more than 4 years old, signal strength reduced or need multiple clicks to unlock or lock doors, it's probably battery replace inside keyless entry remote required. Installed battery is dead or weak with a high probability, but if it's not help, remote key fob change or repair needed.
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Other Infiniti Models:

Fob Compatibility:

  1. FCC ID: CWTWB1G744
  2. Models: 2014-2020 Infiniti QX80