How to Open Your 2015 Toyota Yaris Key Fob and Change Battery

How to Open Your 2015 Toyota Yaris Key Fob and Change Battery

Keyless entry remote grant access to your Toyota. When the remote key fob battery is dead you lose your keyless entry fob's ability to use distance opportunities. In this post, we are going to tell you how to open Toyota key fob and replace a dead battery DIY. If you choose to do it at home near Yaris, use this guide, but don't forget to check everything you need before you start.

What size battery does 2015 Toyota Yaris remote key fob take

Don't forget before disassembly remote key fob make sure that you have all recommended tools and materials: flat head screwdriver and CR2016 battery.
  • flat head screwdriver
  • 1xCR2016 battery

Simple steps to replace the battery in your Yaris's remote key fob

A tiny coin battery installed inside the your key fob. Remove any internal key before you try to pry apart the keyless entry remote.

Accurately try to pry apart your key with hands or flat head screwdriver. Change CR2016 battery with flat head screwdriver.

Replace old battery with fresh one CR2016. 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 position on battery, by "+" mark.

Before assembling fob’s case, verify that everything working good by testing buttons on keyless entry remote.

At this point squeeze fob’s back cover together. Line your shell pieces together and put it in place by hands from top to bottom. If your key fob body firmly closed, we done. If not, repeat the last step.

Video of key disassembly

Toyota Yaris key fob remote control battery change CR2032 replacement

Still not working? Buy new one

Frequently Asked Questions

Key fob of Toyota Yaris use 1xCR2016 batteries. Most CR2016 batteries are under $4 depending on the size packaging, brand and type you buy. Take your old battery to the store, with you to find a proper replacement.

Usually, 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.

Yes, you can change battery in your 2015 Toyota Yaris key fob yourself. Most difficult part is to open keyless entry fob's case. It's pretty simple with our step by step guide.

Car service cost for replace the battery in keyless entry remote is from 50 to 600 dollars depending on the brand.

Keyless entry remote batteries in Toyota Yaris should be changed every 3-4 years, but this will vary based on frequency of use and battery quality. If your remote key fob reduced signal strength, you should change batteries before it stop open doors and make problems for you.

If your car fob's battery more than 4 years old, key fob buttons not working, has low key battery indicator on dashboard or signal strength reduced, it's probably battery change in key fob needed. Installed battery is weak with a high probability, but if it's not fix problem, keyless entry remote replace or repair needed.
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Fob Compatibility:

  1. FCC ID: MOZB52TH
  2. Models: 2012-2016 Toyota Yaris