2020 GMC Acadia Exterior lighting Problems
- Complaints
- 1about this part
- Share
- 1%of 106 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 2020 GMC Acadia, 1% of the 106 complaints for this model year.
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.
“Back up camera randomly stops working (black screen-completely gone, or blue screen). Dash will randomly dim on its own and does not go back to normal unless car is shut off and turned back on. adaptive cruise control will disengage for no apparent reason. stabilitrak will flash on screen but no other indicators or reasons; nothing happens with car. Occasionally the blind spot mirror lights will not light up when vehicle is present.”
NHTSA complaint #11738492, filed 2026-05Related 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.
Exterior lighting: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 5 | 7% |
| 2024 | 6 | 10% |
| 2023 | 1 | 2% |
| 2022 | 1 | 2% |
| 2021 | 1 | 1% |
| 2020 | 1 | 1% |
| 2019 | 10 | 3% |
| 2018 | 2 | 1% |
| 2017 | 25 | 4% |
| 2016 | 3 | 1% |
| 2015 | 10 | 4% |
| 2014 | 20 | 4% |
| 2013 | 10 | 7% |
| 2012 | 21 | 7% |
| 2011 | 38 | 14% |
| 2010 | 24 | 7% |
| 2009 | 38 | 11% |
| 2008 | 47 | 6% |
| 2007 | 15 | 4% |
Other parts of the 2020 GMC Acadia
29 complaintsElectrical system
28 complaintsTransmission and drivetrain
22 complaintsSteering
20 complaintsOther or unknown
15 complaintsFuel system
11 complaintsBrakes
8 complaintsForward collision avoidance
8 complaintsVehicle speed control
4 complaintsAir bags
3 complaintsBack-over prevention (rear camera)
3 complaintsLane departure
3 complaints
← All problems reported for the 2020 GMC Acadia
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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