Recall 18V673 covers 15,800 2018-2019 Cadillac vehicles with rear seatbelt retractors that fail to lock. Repair is free at any franchised Cadillac dealer.
Cadillac is recalling 15,800 2018-2019 vehicles, including CT6 Plug-In Hybrid, Volt, CT6, Escalade Esv, Suburban, and Yukon Xl models, because second-row or third-row rear seatbelt retractors can fail to lock when fully pulled out. If a child seat is not secured correctly in a crash, injury risk increases; the dealer repair is free.
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What's wrong?
The rear seatbelt retractor in these 2018-2019 Cadillac vehicles is the spring-loaded unit that feeds the belt out and pulls it back in. When a child seat is installed with the vehicle belt, the automatic locking retractor is supposed to engage after the belt is pulled all the way out. That locked mode keeps the belt tight so the child seat stays secured.
On affected CT6 Plug-In Hybrid, Volt, CT6, Escalade Esv, Suburban, and Yukon Xl vehicles, the sensor cover inside certain rear retractors was made with incorrect dimensions. That cover can interfere with the locking mechanism. When the belt is fully extended, the retractor does not switch into locked mode, so the belt keeps moving instead of holding the child seat tightly.
The warning sign appears during child-seat installation. If the belt does not lock after you pull it fully out of the retractor, the child seat is not properly secured with that seating position.
Who's affected?
Covers six models across the 2018 and 2019 model years, all tied to the rear seat belt component.
| 2018 Cadillac CT6 Plug-In Hybrid | seat belt |
|---|---|
| 2018 Chevrolet Volt | seat belt |
| 2019 Chevrolet Volt | seat belt |
| 2019 Cadillac CT6 | seat belt |
| 2019 Cadillac Escalade Esv | seat belt |
| 2018 Cadillac Escalade Esv | seat belt |
| 2018 Chevrolet Suburban | seat belt |
| 2018 GMC Yukon Xl | seat belt |
| 2019 Chevrolet Suburban | seat belt |
| 2019 GMC Yukon Xl | seat belt |
| Units affected | 15,800 |
| Field incidents | NHTSA has logged 93 field incidents to date. |
A matching year and model does not guarantee inclusion. Check your VIN to confirm whether this recall applies to your specific vehicle.
What's the safety risk?
A rear seatbelt retractor that does not lock during child seat installation can leave the child seat unsecured in a crash, increasing injury risk. When installing a child seat, a locked belt is required to hold the seat in place. Use another seating position until the dealer inspects the rear seatbelt retractor. Repair is free at any franchised Cadillac dealer.
What should I do?
- Check your VIN to confirm your 2018-2019 CT6 Plug-In Hybrid, Volt, CT6, Escalade Esv, Suburban, or Yukon Xl is included in this Cadillac recall.
- Contact a franchised Cadillac dealer to schedule the free rear seatbelt retractor inspection and any needed replacement that fixes rear belts that do not lock a child seat in place.
- Bring the owner letter if you have it, and reference recall number 18V673 when you call.
- Avoid using an affected rear seating position for a child seat until the dealer confirms the retractor locks correctly or completes the repair.
- Call Cadillac customer service at 1-800-458-8006 with questions about this recall.
What happens at the repair
At the dealer, a Cadillac technician inspects the rear seatbelt retractors covered by the recall. If a retractor does not lock correctly when the belt is fully pulled out, the technician replaces that retractor. The inspection and any needed replacement are free under the recall. If you already paid out of pocket for a related rear seatbelt retractor repair before the recall notice, ask the dealer service desk or Cadillac customer service about submitting documentation under GM's general reimbursement plan.
| Reimbursement | Reimbursement available |
|---|
Timeline
| September 26, 2018 | NHTSA published the recall |
|---|---|
| September 26, 2018 | Dealer notification began |
| September 26, 2018 | Dealer notification ended |
| November 7, 2018 | Owner notification mailed |
Frequently asked questions
What is recall 18V673?
Recall 18V673 covers 15,800 2018-2019 Cadillac CT6 Plug-In Hybrid, Volt, CT6, Escalade Esv, Suburban, and Yukon Xl vehicles with rear seatbelt retractors that fail to lock fully when securing a child seat. Cadillac dealers will inspect the rear retractors and replace them for free if needed.
What should I do if my 2018-2019 Cadillac CT6 Plug-In Hybrid, Volt, CT6, Escalade Esv, Suburban, or Yukon Xl is on this recall?
Check your VIN to confirm your specific vehicle is included in recall 18V673. If it is, contact a franchised Cadillac dealer to schedule the rear seatbelt retractor inspection. Reference recall number 18V673 when you call. The repair is free.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost. For recall 18V673, Cadillac dealers will inspect the rear seatbelt retractors and replace them if needed, free of charge.
What is the safety risk in recall 18V673?
The risk is that a child seat does not stay properly secured in a crash. The rear seatbelt retractor fails to lock after the belt is fully pulled out, which defeats the child-seat installation method and increases injury risk.
What if I bought this vehicle used?
The free recall repair still applies. Recall coverage follows the VIN, not the first owner. Check your VIN to confirm inclusion in recall 18V673, then call a franchised Cadillac dealer and ask for the rear seatbelt retractor inspection.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/18V673000 |
|---|---|
| Cadillac customer service | 1-800-458-8006 |
| NHTSA recall # | 18V673 |
| NHTSA recall # (full) | 18V673000 |
Source documents
-
Download Misc. Document (PDF) - Download Recall Document (PDF) (PDF)
- Download Owner Notification Letter (PDF)
- Download Owner Notice (PDF)
- Download Recall Report (PDF)
- Download Quarterly Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 25, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →