Most common 2018 Cadillac CT6 Plug-In Hybrid problems
Share of the 3 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Cadillac CT6 Plug-In Hybrid complaints by model year
2018 Cadillac CT6 Plug-In Hybrid recalls (2)
Seat belts › Rear/other
General Motors LLC (GM) is recalling certain 2018-2019 Cadillac CT6, Escalade ESV, Chevrolet Suburban, Volt, and GMC Yukon XL vehicles. Certain second-row or third-row rear seatbelts retractor assemblies may not automatically lock when the seatbelt is fully pulled out of the retractor, possibly preventing a child seat from…
Remedy: GM will notify owners, and dealers will inspect the rear seatbelt retractors and replace them if necessary, free of charge. The recall began November 7, 2018.
Child seat › Latch strap
General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CT6 vehicles. The inboard child seat anchorage bars may have had excess structural adhesive applied during assembly, which can interfere with the installation of a child seat.
Remedy: GM will notify owners, and dealers will inspect, remove any excess adhesive, and apply anti-corrosion primer to the inboard child seat anchorage bars, free of charge. The recall began August 3, 2018.
Frequently asked questions
Is the 2018 Cadillac CT6 Plug-In Hybrid a good car?
That is a low number of complaints for a car on sale this long. So far owners have filed 3 complaints with NHTSA.
What is the most common problem with the 2018 Cadillac CT6 Plug-In Hybrid?
The electrical system — 1 complaint, 33% of all complaints for this model year. Next are the transmission & drivetrain (1) and stability & traction control (1).
How many recalls does the 2018 Cadillac CT6 Plug-In Hybrid have?
There are 2 recalls for the 2018 Cadillac CT6 Plug-In Hybrid, the most recent from September 26, 2018 (rear/other). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
At what mileage do 2018 Cadillac CT6 Plug-In Hybrid problems happen?
The median mileage reported in complaints is about 27,000 miles; 100% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.