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 requiredBefore 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