2015 GMC Terrain Exterior Lighting Problems
NHTSA component category: EXTERIOR LIGHTING · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How exterior lighting ranks on this vehicle
Share of the 295 complaints citing each category; one complaint can cite several. Full breakdown on the 2015 GMC Terrain overview page.
What owners report
“THE CONTACT OWNS A 2015 GMC TERRAIN. WHILE THE VEHICLE WAS STATIONARY AND WHILE DRIVING VARIOUS SPEEDS AT NIGHT, HALF OF THE WINDSHIELD WAS BLACK…”NHTSA complaint 11051457 — filed 11/30/2017
“THE CONTACT OWNS A 2015 GMC TERRAIN. WHILE DRIVING 30 MPH, THE LOW BEAM HEADLIGHTS FAILED TO FULLY ILLUMINATE. THE FAILURE OCCURRED WITHOUT WARNING. THE…”NHTSA complaint 10939689 — filed 01/04/2017
“THE CONTACT OWNS A 2015 GMC TERRAIN. WHILE DRIVING 40 MPH, THE LOW BEAM HEADLIGHTS FAILED TO FULLY ILLUMINATE. THE FAILURE OCCURRED DURING NIGHT DRIVING…”NHTSA complaint 10807493 — filed 11/30/2015
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Exterior Lighting complaints by year filed
Frequently asked questions
Does the 2015 GMC Terrain have exterior lighting problems?
Exterior Lighting is the #4 most-reported problem area on the 2015 GMC Terrain: 23 of 295 complaints on file (7.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2015 GMC Terrain have in total?
295 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 9 involved a crash, 1 involved a fire, 6 reported injuries, and none reported deaths.
What does NHTSA's exterior lighting category include?
NHTSA assigns each complaint to standard component categories; this page reports the EXTERIOR LIGHTING category exactly as NHTSA defines and records it.
