How to Open Your 2019 Toyota Yaris iA Key Fob and Change Battery

How to Open Your 2019 Toyota Yaris iA Key Fob and Change Battery

Remote key fob allow easy access to your Yaris iA. Once the remote key fob battery is dead or weak you lose your fob’s ability to control remote opening function. Below, we walks you through how to open your key fob and change your Toyota key battery.

What size battery does 2019 Toyota Yaris iA key fob required

Before you start to open keyless entry remote make sure that you have all required tools and materials: flat head screwdriver and CR2025 battery.
  • flat head screwdriver
  • 1xCR2025 battery

Simple steps to change the battery in your Yaris iA's key fob

A small button cell battery installed inside the your key fob. Remove any internal key first, and then try to pry apart the key fob.

Gently try to pry apart your key with hands or flat head screwdriver. Change one CR2025 battery with flat head screwdriver.

Get new battery and install it inside keyless entry fob's shell. 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 key fob by pressing buttons. If all functions works, assemble your fob’s case in reverse order.

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

Video of keyless entry remote disassembly

Toyota Yaris Key Fob Battery Replacement - EASY DIY

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Toyota Yaris iA require 1xCR2025 batteries. Price for CR2025 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.

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

Yes, you can change battery in your 2019 Toyota Yaris iA keyless entry remote yourself. Most difficult part is to disassembly keyless entry fob's case. It's pretty simple with our instruction.

Car service cost for replace the battery in fob is from $30 to as high as $500 depending on the brand.

You should replace batteries inside key fob of Toyota Yaris iA at least every four years. lifespan of battery differ on usage time, quality and operating conditions.

If your car need multiple clicks to unlock or lock doors, signal strength reduced, key fob buttons not working or fob's battery more than 4 years old, it's probably battery change inside key fob needed. Current battery is dead with a high probability, but if it's not fix problem, keyless entry remote change or repair needed.
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Fob Compatibility:

  1. FCC ID: WAZSKE13D01
  2. Models: 2017-2019 Toyota Yaris iA