This process is both same for the Envoy/Trailblazer 2002-2009. Link in the description for the key fob I got for cheap and the instructions website. Don't forget to please like, comment, and subscribe. Thanks for watching.
Car Key Fob Keyless Entry Remote fits Buick Rainier/Chevy Trailblazer/GMC Envoy/Isuzu Ascender/Oldsmobile Bravada (fits Part # 15008008 15008009) [ Ссылка ]
[ Ссылка ]
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