Exterior lightingPart report
2018 Cadillac CT6 Exterior lighting Problems
- Complaints
- 1about this part
- Share
- 11%of 9 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the exterior lighting of the 2018 Cadillac CT6, 11% of the 9 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 11014170Jan 27, 2025This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
- 11000550May 3, 2024This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
- 10249011Jan 12, 2024This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
Exterior lighting: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 1 | 11% |
Other parts of the 2018 Cadillac CT6
Engine
3 complaintsTransmission and drivetrain
3 complaintsFuel system
2 complaintsSteering
2 complaintsBrakes
1 complaintsForward collision avoidance
1 complaintsLane departure
1 complaintsBody and structure
1 complaintsSuspension
1 complaints
3 complaintsTransmission and drivetrain
3 complaintsFuel system
2 complaintsSteering
2 complaintsBrakes
1 complaintsForward collision avoidance
1 complaintsLane departure
1 complaintsBody and structure
1 complaintsSuspension
1 complaints
← All problems reported for the 2018 Cadillac CT6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology