2032 Battery you need https://amzn.to/3QN9Bcx

Here is a quick little demonstration video on how to swap out your dead 2032 battery. The process doesn't require any additional tools but a small flat tip screwdriver can be helpful. It's not required but will likely save you some time. Hope you found the video helpful!

Toyota RAV4 2019, 2020, 2021, 2022, 2023 models
2022 2023 Toyota RAV4 Smart Key Fob 3B FCC# HYQ14FLA
Toyota Part Number: 8990H0R010, 8990H0R010
FCC ID : HYQ14FBC
Frequency: 315 MHz
Battery: CR2032
Emergency insert key, same as: 6951547030, 6951547030
Reusable: No
On Board Programming: No
3 Buttons: Lock, Unlock, Panic alarm
This remote also fits:
19 20 21 Toyota RAV4