2450 Battery you need - amzn.to/3OLOV4Y
Here is a quick and simple video on how to change the weak or dead battery in your Toyota Crown key fob. This does not require and tools. You will just need one of the replacement 2450 battery. First, use the mechanical / physical key to pry the two halves apart. Then use the same key to remove the weak or dead 2450 battery. Place your new battery under the top two plastic tabs + side facing up and clamp them back together. You're all set! No need to reprogram. Hope you found this helpful! Take care.
2023-2024 Toyota Sequoia Smart Remote Key HYQ14FBX 8990H-0C020
Part Number
8990H-0C020
FCC ID - HYQ14FBX
IC - 1551A-14FBX
Buttons
"4" (Lock - Unlock - Panic - Rear Hatch)
Remote Type
Smart Proximity Key
Chip Type
TEXAS ID H-8A
Works on the following models:
Toyota Crown (2023-2024)
OEM 2023-2024 TOYOTA CROWN 4 BUTTON REMOTE KEY FOB 8990H-30190 HYQ14FBX