An easy to follow video tutorial on how to change the flip key remote fob battery for a 2018 - 2021 Toyota Camry and 2020 - 2021 Toyota Corolla This flip key remote fob takes replacement battery CR2032.

Free DIY keyless entry remote fob programming instructions available at https://www.programyourremote.com/

Free DIY Ignition key programming procedures available at https://www.programautokeys.com/

This smart key is :
FCC ID: HYQ12BFB
IC: 1551A-12BFB
Model: 12BFB
Toyota Part Number: 89070-06790, 8907006790

This video will show you how to remove and replace the smart flip key remote fob battery on the following years and models of Toyota vehicles:
2018 Toyota Camry
2019 Toyota Camry
2020 Toyota Camry
2020 Toyota Corolla
2021 Toyota Camry
2021 Toyota Corolla