2018 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated July 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2018 Cadillac CT6 has 1 documented issue, with 1 rated critical. The most serious is Excess Adhesive Can Obstruct Child-Seat Anchorages (Recall 18V437). DIY maintenance guides at au7o.io.
SEATS:MID/REAR ASSEMBLY
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. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."
SEAT BELTS:FRONT:WEBBING
General Motors LLC (GM) is recalling certain model year 2016 Cadillac CT6 vehicles manufactured July 21, 2016, to July 22, 2016. The bolt that connects the front passenger seat belt webbing to the seat's anchor plate may be missing. Without the bolt, the seat belt webbing may detach from the seat anchor.
EXTERIOR LIGHTING
General Motors, LLC (GM) is recalling certain 2016-2017 Cadillac CT6 vehicles. The Park/Position lights may be excessively bright. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
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 being properly secured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2018 Cadillac CT6 has 1 documented issue. The documented issue is: Excess Adhesive Can Obstruct Child-Seat Anchorages (Recall 18V437). Of these, 1 is rated critical and should be addressed promptly.
The 2018 Cadillac CT6 has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Excess Adhesive Can Obstruct Child-Seat Anchorages (Recall 18V437). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
On certain 2016-2018 Cadillac CT6 vehicles, excess structural adhesive on the inboard child-seat anchorage bars can interfere with correct child-seat installation. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
