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What 370 owners told NHTSA about the 2012 GMC Terrain

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (370)Crash / fire / injury (26)Engine (170)Visibility & wipers (81)Transmission & drivetrain (37)Electrical system (33)Fuel system (30)Airbags (27)Body & structure (14)Electronic Stability Control (esc) (13)Speed control (11)Lights (10)

17 of 370 complaints match · Airbags · crash/fire/injury only · clear filters

Sep 8, 2020AirbagsBrakesCrash1 injury

TL* THE CONTACT OWNS A 2012 GMC TERRAIN. THE CONTACT STATED WHILE DRIVING 35 MPH, WHEN TWO VEHICLES IN FRONT OF HIM CRASHED. THE CONTACT STATED HE DEPRESSED THE BRAKE PEDAL BUT THE VEHICLE FAILED TO STOP AND REAR ENDED THE VEHICLE IN FRONT. THE AIR BAGS DID NOT DEPLOY. THE CONTACT SUSTAINED A FRACTURED STERNUM DUE TO THE SEAT BELT AND WAS TAKEN TO THE HOSPITAL AND STAYED OVER NIGHT. A POLICE REPORT WAS FILED. THE VEHICLE WAS NOT DRIVABLE. THE VEHICLE WAS TOWED TO IMPOUND LOT. THE VEHICLE HAD NOT BEEN DIAGNOSED OR REPAIRED AS OF YET. A DEALER WAS NOT CONTACTED. THE MANUFACTURER HAD NOT BEEN INFORMED OF FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 136,000. *DT

NHTSA ODI 11353822

Feb 18, 2020AirbagsBody & structureCrash

ON FEB 10, 2020 I WAS INVOLVED IN A SIDE IMPACT CRASH WHEN A LARGE TRUCK FAILED TO STOP AT A RED LIGHT. I TOOK THE VEHICLE IN FOR REPAIRS AS THE FRONT QUARTER PANEL AND WHEEL WERE DAMAGED. THE COLLISION SHOP CALLED TODAY AND STATED THAT ALL FOUR OF MY IMPACT SENSORS ARE "DEAD". HE SAID I WAS VERY LUCKY BECAUSE THERE IS NO WAY I WOULD'VE KNOWN THAT MY AIRBAGS WOULDN'T HAVE DEPLOYED AND I VERY LIKELY WOULD'VE BEEN SERIOUSLY INJURED OR KILLED. THERE WAS NO WARNING LIGHT ON THE DASH, AND NO CODE. THEY FOUND IT BY ACCIDENT ON A MORE INTENSIVE DIAGNOSTIC. THIS IS SCARY BECAUSE HOW MANY OTHER 2012 TERRAIN OWNERS WON'T KNOW UNTIL ONE OF THEIR LOVED ONES ARE INJURED OR KILLED!?!? YOU NEED TO DO SOMETHING ABOUT THIS. I GOT LUCKY BUT YOU HAVE NOW 23 COMPLAINTS ABOUT THESE BAGS NOT DEPLOYING. PLEASE DO SOMETHING!!!

NHTSA ODI 11309913

Feb 4, 2020AirbagsSeat beltsCrashFire2 injuries

TL* THE CONTACT OWNS A 2012 GMC TERRAIN. THE CONTACT STATED WHILE DRIVING ABOUT 35 MPH, THE VEHICLE WAS REAR-ENDED BY ANOTHER VEHICLE. THE DRIVER'S AIR BAG BUSTED OPEN, SMOKED AND EMITTED DEBRIS BUT DID NOT DEPLOY. THE SERVICE AIR BAG LIGHT ILLUMINATED. THE CONTACT AND A NINE-YEAR OLD CHILD IN A BOOSTER SEAT, IN THE BACK SEAT OF THE VEHICLE SUSTAINED INJURY THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS DAMAGED AND WAS DRIVEN TO THE CONTACT'S RESIDENCE. THE CONTACT ALSO STATED THAT THE DRIVER'S SEAT BELT DID NOT RETRACT. THE CONTACT CALLED THE STAN MCNABB CHRYSLER DODGE JEEP RAM DEALER, LOCATED AT 200 N. JACKSON ST, TULLAHOMA, TN 37388 AND WAS TOLD THAT THE INFORMATION WOULD BE ENTERED IN THE CONTACT'S FILE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 125,000.

NHTSA ODI 11306964

Jun 13, 2019AirbagsCrash1 injury

TL* THE CONTACT OWNS A 2012 GMC TERRAIN. THE CONTACT STATED THAT WHILE HER GRANDSON WAS DRIVING APPROXIMATELY 40-45 MPH, A DEER JUMPED INTO THE FRONT OF THE VEHICLE CAUSING SEVERE DAMAGE TO THE FRONT END OF THE VEHICLE BUT THE AIR BAGS DID NOT DEPLOY. THE CONTACT MENTIONED THAT THE RADIATOR WAS PUSHED INTO THE ENGINE. THE CONTACT SUSTAINED WHIPLASH INJURIES THAT DID NOT REQUIRE MEDICAL ATTENTION. A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS TOWED. THE CAUSE OF THE FAILURE WAS NOT DETERMINED BY THE INDEPENDENT MECHANIC. THE LOCAL DEALER WAS NOT NOTIFIED OF THE FAILURE. THE MANUFACTURER WAS CONTACTED AND A CASE WAS OPENED BUT NO ASSISTANCE WAS OFFERED. THE FAILURE MILEAGE WAS 103,000. *AS *AS

NHTSA ODI 11219747

Dec 3, 2018AirbagsCrash

TL* THE CONTACT OWNS A 2012 GMC TERRAIN. WHILE DRIVING 55 MPH, THE CONTACT STRUCK A DEER. THE DRIVER'S SIDE AIR BAG FAILED TO DEPLOY. THE CONTACT STATED THAT THE IMPACT WAS ON THE PASSENGER SIDE OF THE VEHICLE. THE CONTACT STATED THAT THE SERVICE AIR BAG WARNING INDICATOR WAS ILLUMINATED. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES. THE CONTACT STATED THAT THERE WAS AN ODOR FROM THE AIR BAG PROPELLANT EVEN THOUGH THE AIR BAGS FAILED TO DEPLOY. THE CONTACT STATED THAT THE SEAT BELT OPERATED AS INTENDED; HOWEVER, THE SEAT BELT SEIZED IN POSITION AND WOULD NOT RETRACT EVEN AFTER THE VEHICLE WAS TURNED OFF. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC, BUT HAD NOT BEEN DIAGNOSED. NEITHER THE DEALER NOR THE MANUFACTURER WERE CONTACTED. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.

NHTSA ODI 11155601

Apr 16, 2018AirbagsCrash

TL* THE CONTACT OWNED A 2012 GMC TERRAIN. WHILE DRIVING AT AN UNKNOWN SPEED, THE DRIVER CRASHED INTO A LANDSCAPING TRUCK. THE AIR BAGS FAILED TO DEPLOY. THERE WERE NO INJURIES. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO A TOW LOT AND DEEMED DESTROYED. THE DEALER WAS NOT CONTACTED TO DETERMINE THE CAUSE OF THE AIR BAG FAILURE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.

NHTSA ODI 11088412

Jun 12, 2017Electrical systemAirbagsSeat beltsCrash

ON VARIOUS OCCASIONS WHEN SLOWING DOWN OR TURNING, THE ENGINE WILL DIE. FRONT END ACCIDENT GOING 55+ MPH ON A COUNTRY ROAD, HIT A VERY LARGE DIP, AIRBAGS DID NOT DEPLOY, SEAT BELTS DID LOCK UP.

NHTSA ODI 10994533

Nov 8, 2016AirbagsCrash

I WAS TRAVELING ABOUT 75MPH WHEN A DEER RAN INFRONT OF ME, I WASN'T ABLE TO STOP COMPLETELY AND HIT THE DEER ON MY RIGHT FRONT SIDE OF MY VEHICLE.. THE SMELL OF SMOKE CAME FROM MY VEHICLE AND MY "SERVICE AIRBAGS" INDICATOR CAME ON.. NO AIRBAGS DEPLOYED.. I HAD MY 6 YEAR OLD SON IN THE CAR WITH ME!! MY CAR ISN'T DRIVABLE DUE TO THE SIGNAL BEING ON EVEN THOUGH THE AIRBAGS DIDN'T DEPLOY.

NHTSA ODI 10924918

May 1, 2016AirbagsSpeed controlCrash1 injury

SUDDEN UNINTENDED ACCELERATION WHEN VEHICLE SHIFTED FROM PARK TO DRIVE, RESULTED IN EXTREME HIGH SPEED ACCELERATION AND NO CONTROL OF VEHICLE. THIS RESULTED IN A HIGH IMPACT CRASH INTO GARAGE SIDE WALL. ALSO AIR BAG DID NOT DEPLOY. ASSUME THROTTLE WIDE OPEN CAUSING SUDDEN ACCELERATION. INSURANCE REPORT , AND POLICE REPORT PENDING

NHTSA ODI 10862428

May 28, 2015AirbagsCrash

CAR CRASH AT 45 MPH. FRONT IN DAMAGE AND AIR BAG DID NOT DEPLOY. SEATBELTS DID NOT LOCK UP.

NHTSA ODI 10722057

Jul 2, 2014SuspensionAirbagsBody & structureCrash3 injuries

WE HAD BEGUN TO CROSS AN INTERSECTION AND, WHILE OUR SPEED WAS FROM A DEAD STOP, THE OTHER DRIVER BLEW THROUGH A RED LIGHT AND HIT US AT WHAT WAS PROBABLY THE SPEED LIMIT OF 40MPH. HER CAR STRUCK US IN THE RIGHT FRONT PASSENGER SIDE AND AGAIN ON THE REAR PASSENGER SIDE. WE, MYSELF WHO WAS DRIVING, AND MY WIFE, WHO WAS THE PASSENGER ON THE SIDE HIT, WERE BOTH THROWN HARD TO THE RIGHT AT IMPACT, CAUSING INJURIES TO US BOTH, MOST NOTABLY, MY WIFE. SHE HIT HER HEAD VERY HARD ON EITHER THE PASSENGER DOOR FRAME OR THE PASSENGER WINDOW. NO AIRBAGS DEPLOYED. NO SIDE AIRBAGS, NO FRONT AIRBAGS. NO AIR BAGS DEPLOYED! *TR

NHTSA ODI 10607744

May 14, 2014AirbagsCrash1 injury

VEERED OFF SIDE OF HIGHWAY, STRUCK SOMETHING HEAD-ON AND WAS RENDERED UNCONSCIOUS AS HEAD HIT STEERING WHEEL. I WAS TRANSPORTED UNCONSCIOUS IN AMBULANCE FROM CRASH SCENE TO LOCAL HOSPITAL, WHERE I WAS AN INPATIENT FOR TWO DAYS. EXTENSIVE DAMAGE TO FRONT OF VEHICLE INDICATED THE SEVERITY OF IMPACT... YET AIR BAGS DID NOT DEPLOY. I BELIEVE AIR BAGS SHOULD HAVE DEPLOYED ON IMPACT AND I WOULD NOT HAVE BEEN RENDERED UNCONSCIOUS, AND COULD HAVE CONTROLLED VEHICLE TO AVOID STRIKING TREE, BRUSH, ETC. I CONTACTED GMC CORPORATE.. TO ADVISE MY CONCERNS FOR SAFETY... RECEIVED A FOLLOW UP TELEPHONE CALL FROM GMC REPRESENTATIVE... (HE) EXPRESSED NO INTEREST IN MY COMPLAINT... REFUSED TO COMMENT ON MY STATEMENT THAT AIR BAG FAILED TO DEPLOY RESULTING IN EXTENSIVE DAMAGE TO FRONT OF VEHICLE AND SUSTAINING A HEAD INJURY AS NO BAG DEPLOYED. NO MATTER THAT I AM LEASING THE VEHICLE AND FEAR FOR MY SAFETY... I WAS ADVISED THAT GMC HAD NO FURTHER INTEREST IN THIS MATTER AND WOULD NOT EVALUATE MY SAFETY CONCERNS. *TR

NHTSA ODI 10588334

Apr 19, 2014AirbagsCrash1 injury

I INADVERTENTLY VEERED OFF SIDE ROADWAY, (VA HIGHWAY 220) COLLIDING WITH A TREE/ROADSIDE SHRUBS, ETC (WAS KNOCKED UNCONSCIOUS AS FOREHEAD HIT STEERING WHEEL ON INITIAL IMPACT). AIRBAGS DID NOT DEPLOY ALLOWING ME TO SUSTAIN A HEAD INJURY THAT KNOCKED ME UNCONSCIOUS... FOREHEAD WAS GASHED WITH SIGNIFICANT BLEEDING. I WAS TRANSPORTED BY AMBULANCE IN UNCONSCIOUS STATE. DAMAGE TO VEHICLE IS IN EXCESS OF $8,000 SO FAR AS VEHICLE STILL IN REPAIR SHOP WITH MASSIVE FRONT END DAMAGE THAT AFFECTS STEERING LINKAGE, ETC. THE IMPACT OF VEHICLE AGAINST FOLIAGE, TREES SHRUBS, SHOULD HAVE FORCED AIR BAGS TO DEPLOY AND I BELIEVE THAT I WOULD NOT HAVE SUSTAINED A HEAD INJURY THAT RENDERED ME UNCONSCIOUS WITH MILD CONCUSSION AND COULD NOT CONTROL VEHICLE LEAVING ROADWAY. *TR

NHTSA ODI 10583703

Jul 5, 2013AirbagsCrash1 injury

TL* THE CONTACT OWNS A 2012 GMC TERRAIN. THE CONTACT STATED THAT WHILE SITTING AT A TRAFFIC STOP, A SEMI-TRUCK CRASHED INTO THE REAR BUMPER OF THE CONTACT'S VEHICLE. THE CONTACT'S VEHICLE WAS PUSHED FORWARD, CAUSING THE CONTACT TO CRASH INTO A PRECEDING VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED INJURIES TO THE HAND, NECK AND BACK. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS BUT THEY WERE UNABLE TO DUPLICATE THE AIR BAG DEPLOYMENT FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 32,000. *TR

NHTSA ODI 10523365

Jun 11, 2013AirbagsCrash1 injury

VEHICLE WAS INVOLVED IN A CAR ACCIDENT AND CRASHED INTO A BRIDGE IRON BEAM HEAD-ON. VEHICLE'S AIR BAGS FAILED TO DEPLOY. HOOD AND FRONT OF CAR SMASHED AS VEHICLE WAS WRAPPED AROUND BEAM. ONLY MINOR INJURIES TO DRIVER, AS DRIVER WAS WEARING A SEATBELT. *TR

NHTSA ODI 10516265

Sep 26, 2012AirbagsCrash1 injury

TL* THE CONTACT OWNS A 2012 GMC TERRAIN. THE CONTACT STATED THAT HE FELL ASLEEP WHILE DRIVING AN UNKNOWN SPEED. THE VEHICLE TRAVELED TO THE RIGHT SIDE OF THE ROAD AND WENT AIRBORNE APPROXIMATELY 20 FEET, LANDING ON ALL FOUR TIRES. THE VEHICLE THEN TRAVELED APPROXIMATELY 200 FEET AND CRASHED INTO AN EMBANKMENT. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED A FRACTURED BACK AS A RESULT. A POLICE OFFICER WITNESSED THE INCIDENT AND FILED A REPORT. THE VEHICLE WAS DESTROYED AND TOWED TO A COLLISION CENTER. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAULTY AIR BAGS. THE APPROXIMATE FAILURE MILEAGE WAS 7,000. UPDATED 10/16/12*LJ

NHTSA ODI 10477166

Jul 18, 2012SuspensionAirbagsBody & structureEngineCrash1 injury

?ON APRIL 16TH OUR SON WAS DRIVING ON FAIRVIEW RD. AND TRAVELING THROUGH A GREEN LIGHT WHEN A CAR THAT RAN A RED LIGHT HIT HIM. ?HIS CAR ? A GMC 2012 TERRAIN WAS HIT MULTIPLE TIMES ? DRIVER'S FRONT END, FRONT END AND SPUN AROUND FROM THE FORCE AND HIT ON THE PASSENGER SIDE. NO AIRBAGS DEPLOYED ?[XXX] WAS IMMEDIATELY CONTACTED BY ON STAR, THEY CALLED POLICE, HIS CAR WAS TOTALED ?ON 4/21 I EMAILED GMC AND ASKED WHAT DEPARTMENT I WOULD CONTACT TO FILE A COMPLAINT ABOUT THE FRONT AND SIDE AIRBAGS NOT DEPLOYING CALL FROM GMC 866-790-5700 EXT. 22745 SAID ON VOICE MAIL ? THE AIRBAG DID NOT DEPLOY AS IT SHOULD HAVE? HE MADE A CASE NUMBER [XXX] GMC HAS SINCE DECLARED THIS WAS A LOW THRESHOLD EVENT - NO NEED FOR AIRBAG DEPLOYMENT - YET THE CAR WAS TOTALED AND OUR SON HAS WHIPLASH AND CONTUSIONS INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI 10466384

Working with the data? Download all 370 complaints as CSV · fetched from NHTSA July 10, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2012 GMC Terrain verdict →