GM recalls 2021 Buick Envision models with air bag warning light issues. Update software via dealer or over-the-air to prevent injury risk.
The air bag malfunction indicator light may fail to warn the driver of a problem with the air bag, increasing the risk of injury.
GM is recalling certain 2021 Buick Envisions because the air bag warning light might not work properly, which could increase injury risk during a crash. Owners need to update the vehicle's software to fix this issue.
The air bag warning light may not show when the airbag system has a problem. This means drivers might not know if the airbags won't deploy properly in a crash, increasing injury risk.
Owners of 2021 Buick Envisions are affected. Drivers with the air bag warning light malfunctioning are at higher risk during collisions.
Check if your 2021 Buick Envision has the air bag warning light that doesn't turn on or off consistently. The recall covers vehicles mailed with notification letters starting July 1, 2021.
Contact GM customer service or visit a dealer to update the communications gateway module software for free.
The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N212338110.
Your 2021 Buick Envision is affected if the air bag warning light doesn't turn on or off consistently. Notification letters were mailed starting July 1, 2021.
No, the software update must be done by a dealer or through an over-the-air update, not by the owner themselves.
Yes, the air bag warning light may fail to warn of a problem, which could increase injury risk during a crash.
We’ve drafted a message you can send Buick to request your refund or repair — edit it as you like.
Subject: Recall 21V421000 — Buick Buick Hello, I own a Buick that is covered by recall 21V421000 from Buick. The official recall notice states: The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N212338110. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
