Use cautionVehicle recall · NHTSA · Published May 8, 2021
Cadillac CT4 2020 Air Bags May Not Deploy Properly in Crash
General Motors recalls 2020 Cadillac CT4 vehicles with roof rail air bags that may not deploy correctly during crashes, increasing injury risk. Owners must have air bags inspected and reinstalled by dealers.
General Motors is recalling 2020 Cadillac CT4 vehicles because roof rail air bags might not deploy properly in a crash, which could increase injury risk. Owners should have the air bags inspected and reinstalled by dealers at no cost. Read more at govinfonow.com/recall/79290-cadillac-ct4-2020-air-bags-may-not-deploy-properly-in.
“Cadillac CT4 2020 Air Bags May Not Deploy Properly in Crash.” GovInfoNow, updated August 18, 2026. https://govinfonow.com/recall/79290-cadillac-ct4-2020-air-bags-may-not-deploy-properly-in. Based on NHTSA recall #21V611000 (https://www.nhtsa.gov/recalls?nhtsaId=21V611000).
General Motors LLC recalled 2020-2022 Cadillac CT4 and CT5 vehicles for improperly installed roof rail side-curtain air bags, according to the National Highway Traffic Safety Administration (NHTSA) on May 8, 2021. Dealers will inspect and reinstall the air bags free of charge.
How to tell if you have it
Cadillac CT4, 2020-2022
Cadillac CT5, 2020-2022
What to do
Dealers will inspect both left and right-side roof rail air bags and reinstall the air bags, as necessary, free of charge. Owner notification letters were mailed on August 30, 2021. Owners may contact Cadillac customer service at 1-800-458-8006.
The hazard
The roof rail side-curtain air bags may not have been installed correctly, which could result in an improper air bag deployment during a crash. Air bags that do not deploy properly can increase the risk of injury in a crash.
Context
General Motors LLC has 414 other recalls on record since 2011-02-11. Other recent recalls of similar products include Chevrolet Silverado 2020 Power Train Recall: Risk of Crash from Wheel Lock-Up (2026-10-22), Cadillac Lyriq 2024: Rearview Camera Malfunction Risk (2026-10-22), and Chevrolet Silverado 1500 (2017) Air Bag Recall: Risk of Injury from Detached Components (2026-09-24). NHTSA has received 8 owner complaints for the 2020 CADILLAC CT4, with the latest received on 2026-08-26. Manufacturers have sent NHTSA 888 technical service bulletins or other communications covering the 2020 CADILLAC CT4, with the latest dated 2026-09-26.
How to tell if you have this one
Check if your 2020 Cadillac CT4 has roof rail air bags that were installed incorrectly. The recall covers vehicles from 2020 to 2022.
Brand
Cadillac
Category
Vehicle
Based on the official NHTSA remedy
What to do — step by step
Contact Cadillac Customer Service
Call 1-800-458-8006 to get information about the air bag inspection and reinstallation.
Have Air Bags Inspected by Dealer
Dealers will inspect both left and right-side roof rail air bags and reinstall them if necessary at no cost.
Official remedy
What NHTSA says to do
Dealers will inspect both left and right-side roof rail air bags and reinstall the air bags, as necessary, free of charge. Owner notification letters were mailed on August 30, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212342780.
How this recall unfolded
Recall timeline
Owners were mailed letters 4 months after NHTSA received the defect report.
1NHTSA received the defect report
2Owner letters mailed
Dates from the agency record only; steps without a date are left out.
Take action
Contact Cadillac
We’ve drafted a message you can send Cadillac to request your refund or repair — edit it as you like.
Subject: Recall 21V611000 — Cadillac CT4 2020 Air Bags May Not Deploy Properly in Crash
Hello,
I own a Cadillac CT4 2020 Air Bags May Not Deploy Properly in Crash that is covered by recall 21V611000 from Cadillac.
The official recall notice states: Dealers will inspect both left and right-side roof rail air bags and reinstall the air bags, as necessary, free of charge. Owner notification letters were mailed on August 30, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212342780.
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.
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.
Plain-language summary written by qwen3:4b on August 18, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.