2018 Buick Regal Other or unknown Problems
- Complaints
- 4about this part
- Share
- 21%of 19 total for the year
- Median mileage
- 11,125miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the other or unknown of the 2018 Buick Regal, 21% of the 19 complaints for this model year. Where a mileage was given, the median is 11,125 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Reversing camera camera is installed and equipped with guide lines showing direction of travel and wheel position. These guidelines intermitently disappear for no apparent reason. If the car is put into neutral and then back into reverse lines reappear. Since the lines are a feature of the vehicle and are not working reliably I feel this is a defect, it is a definite distraction from the information that the camera is proffering. …”
NHTSA complaint #11166356, filed 2019-01, 250 miles“During the cold weather while being driven the AC unit or heater throws moisture into the cabin resulting in complete vision impairment. This happened first while going up a mountain road and the car had to be completely stopped hoping not to get hit. The defrost was maxed and the impairment was still possible, no matter how hot it got in the cabin the moisture was to much, taking my and wiping the moisture of the windshield water dripped down. It continues to occur now with the AC turning on by itself while driving. …”
NHTSA complaint #11384109, filed 2020-12, 22,000 miles“The check engine light is always on and has not been diagnosed (as of yet) by Circle Buick - Highland, IN. There is an auto-engine-shutoff feature when the vehicle stops at traffic lights, and when you resume driving there can be a lengthy delay and/or an engine & transmission jolt after the brake pedal is released. The vehicle must be retested every two years for emissions compliance for IN, but cannot do so because of the check engine light never going off. This is a safety issue not to get hit from behind in local traffic. …”
NHTSA complaint #11473573, filed 2022-07Related service bulletins
- 11037555Sep 26, 2026This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- 11037253Sep 4, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11035340Jul 21, 2026PI to help diagnose A/C concern
- 11030974Apr 1, 2026This preliminary information communicates information about how to determine if a wheel and tires size change is available.
- 11030092Mar 9, 2026This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
- 11030091Mar 9, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11027601Jan 8, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11025755Nov 20, 2025This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s…
- 11023091Sep 9, 2025New Vehicle Monitoring Programs Section in IVH
- 11023147Sep 8, 2025This Preliminary information communicates a possible issue with an engine timing chain, gear or crankshaft key.
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 2 | 10% |
| 2018 | 4 | 21% |
| 2017 | 4 | 20% |
| 2016 | 5 | 12% |
| 2015 | 5 | 15% |
| 2014 | 7 | 18% |
| 2013 | 9 | 10% |
| 2012 | 6 | 7% |
| 2011 | 17 | 6% |
| 2004 | 3 | 5% |
| 2003 | 5 | 5% |
| 2002 | 4 | 3% |
| 2001 | 8 | 4% |
| 2000 | 6 | 3% |
| 1999 | 6 | 2% |
| 1998 | 6 | 2% |
| 1997 | 2 | 1% |
| 1996 | 9 | 4% |
| 1995 | 4 | 2% |
| 1994 | 7 | 6% |
| 1993 | 1 | 1% |
| 1992 | 3 | 2% |
| 1991 | 2 | 1% |
| 1989 | 3 | 3% |
| 1987 | 1 | 4% |
Other parts of the 2018 Buick Regal
8 complaintsEngine
5 complaintsElectrical system
3 complaintsAir bags
2 complaintsTransmission and drivetrain
2 complaintsVehicle speed control
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsFuel system
1 complaintsSeat belts
1 complaintsSeats
1 complaintsSteering
1 complaintsTires
1 complaints
← All problems reported for the 2018 Buick Regal
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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