2450 Battery you need – https://amzn.to/3pzTyB5
Here is a quick little tutorial on how to change / swap out your dead or weak 2450 battery. You don’t need any tools! The mechanical key can be used to do the entire battery change. I hope you found this video clear and helpful! If so, hit that thumbs up button!
2021-2021 Buick Envision / 5-Buton Smart Key / PN: 13537970 / YG0G21TB2 (OEM)
Product SKU: RSK-GM-7970
RSK-GM-7970
Item number: 10963
Brand New OEM
FCC ID: YG0G21TB2
IC: 4008C-G21TB2
Frequency: 434 MHz
Battery: CR2450
Buttons: Lock, Unlock, Panic, Hatch, and Remote Start
PN: 13537970
2021 Buick Envision 21
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Great video. Thanks for the help