2018 GMC Acadia Problems & Owner Complaints

Power Train 162 4 crash 4 injury

“Shifting to park and vehicle stating the vehicle is not in park, won't let me turn the vehicle off. Transmission going out, brought to many shops letting me know that the transmission is not working properly but won't give an engine light if anything is wrong with vehicle, Wont show on readers what is wrong with vehicle. Electrical, Doors will automatically lock and unlock most times lock and locks me in the vehicle having me have to climb through the windows and having to leave my windows open or locks me out the vehicle and can only get in by climbing in the trunk. Testing has been done and…”
NHTSA complaint #11689335, 2025 · 2 injury(ies)

“On July 26, 2024, I was driving my 2018 Acadia, with my cruise control set to 48 in a 45 MHP zone. Nearing a bad curve, I sneezed. When this happened, I tapped the brakes to disengage the cruise control, my passengers side tires exited the road and with both hands on the wheel I tried to slowly bring my tires back to the road. However, I was unable to gain control and totaled the vehicle. A witness stated that she heard a loud pop coming from the vehicle before the wreck happened. I later learned from my insurance that the vehicle had a Recall 17V516000 on it and I was never made aware of it.…”
NHTSA complaint #11605906, 2024 · crash · 1 injury(ies)

“VEHICLE WILL NOT ACKNOWLEDGE THAT IT IS IN PARK. FORCES ELECTRICAL TO STAY ON, AND SOMETIMES WILL NOT ENGAGE PARK SO VEHICLE CAN MOVE AS IF I'M NEUTRAL. HAS THUS FAR HAPPENED WITH VEHICLE STOPPED, BUT YOU CAN SOMETIMES SHUT OFF ENGINE AND EXIT VEHICLE WHEN IT IS NOT IN PARK AND CAN ROLL AGAINST YOU, OR ON KIDS EXITING ETC. VEHICLE ROLLED IN GARAGE AND STRUCK, AND COULD HAVE CRUSHED CHILD AGAINST DOOR.”
NHTSA complaint #11315398, 2020 · crash · 1 injury(ies)

Unknown Or Other 116

“While driving the temperature gauge drops from normal to cold , the dash displays " steering assist reduced" and the fan is very loud . My mechanic said the thermostat and or sensor needs to be replaced . When he resets with the reader its good for about a week and temperature gauge is normal. After seven days it repeats I only have 40,000 miles on the vehicle and its a 1,400 dollar job. I believe this should be a recall because i have seen a lot of the same complaints in this forum and what about the people who have the same problem but don't complain ?”
NHTSA complaint #11749432, 2026

“When I put the shifter to park, it still dings and tells me "shift to park" and I struggle to make it go away and to be able to make it stop and be able to lock the car. It happens every time I drive it. Thank you”
NHTSA complaint #11739333, 2026

“When I put the car in park and shut off the vehicle, I am getting a shift to park message with an audible sound. The car is in park already. Happens every time almost. It’s not showing up as a recall under my vin. Just got the car. I have seen more recall issues on Google and am concerned those will also occur which are more serious and aren’t listed either.”
NHTSA complaint #11734468, 2026

Electrical System 108 3 crash 1 fire 3 injury

“Shifting to park and vehicle stating the vehicle is not in park, won't let me turn the vehicle off. Transmission going out, brought to many shops letting me know that the transmission is not working properly but won't give an engine light if anything is wrong with vehicle, Wont show on readers what is wrong with vehicle. Electrical, Doors will automatically lock and unlock most times lock and locks me in the vehicle having me have to climb through the windows and having to leave my windows open or locks me out the vehicle and can only get in by climbing in the trunk. Testing has been done and…”
NHTSA complaint #11689335, 2025 · 2 injury(ies)

“VEHICLE WILL NOT ACKNOWLEDGE THAT IT IS IN PARK. FORCES ELECTRICAL TO STAY ON, AND SOMETIMES WILL NOT ENGAGE PARK SO VEHICLE CAN MOVE AS IF I'M NEUTRAL. HAS THUS FAR HAPPENED WITH VEHICLE STOPPED, BUT YOU CAN SOMETIMES SHUT OFF ENGINE AND EXIT VEHICLE WHEN IT IS NOT IN PARK AND CAN ROLL AGAINST YOU, OR ON KIDS EXITING ETC. VEHICLE ROLLED IN GARAGE AND STRUCK, AND COULD HAVE CRUSHED CHILD AGAINST DOOR.”
NHTSA complaint #11315398, 2020 · crash · 1 injury(ies)

“ON DECEMBER 5TH 2019, I ARRIVED HOME FROM WORK TO TAKE MY SON TO HIS DR. APT. I PULLED INTO MY DRIVEWAY AROUND 10:30AM. I LEFT THE CAR ON SO MY SON WOULDN'T HAVE TO GO INTO A COLD CAR, BEING HE WAY SICK. I RAN INTO MY HOUSE WHERE MY MOTHER WAS WATCHING BOTH MY SONS. I SAID TO MY MOM, LET ME USE THE RESTROOM QUICKLY BEFORE I GET HIS COAT ON. I WAS NO MORE THAN 2 MINS. AS I STEPPED OUT THE BATHROOM, I HEAR MY HUSBAND SCREAMING FROM UP STAIRS THE CAR IS ON FIRE! HE COMES RUNNING DOWN THERE STAIRS AS FAST AS HE CAN, ALMOST INJURING HIMSELF BECAUSE HE DIDN'T SEE ME YET AND THOUGHT I WAS IN THE CAR!…”
NHTSA complaint #11289836, 2019 · fire

Engine 32 4 crash 5 injury

“TL* THE CONTACT RENTED A 2018 GMC ACADIA. WHILE THE CONTACT'S FRIEND WAS DRIVING 40 MPH, THE ENGINE REVVED AND THE VEHICLE ACCELERATED ON ITS OWN. THE BRAKES FAILED TO STOP THE VEHICLE. AS A RESULT, THE VEHICLE DROVE THROUGH A PARTITION AND CRASHED INTO A BRICK WALL. THE AIR BAGS DEPLOYED. ALL FOUR OCCUPANTS IN THE VEHICLE WERE INJURED AND RECEIVED MEDICAL ATTENTION. THE CONTACT SUFFERED CHEST PAIN, ANOTHER OCCUPANT SUSTAINED A CUT ON THE HEAD, AND THE OTHER TWO OCCUPANTS SUFFERED FRACTURES. A POLICE REPORT WAS FILED. THE DEALER AND MANUFACTURER WERE NOT CONTACTED. THE CAUSE OF THE FAILURE WA…”
NHTSA complaint #11190983, 2019 · crash · 4 injury(ies)

“VEHICLE WILL NOT ACKNOWLEDGE THAT IT IS IN PARK. FORCES ELECTRICAL TO STAY ON, AND SOMETIMES WILL NOT ENGAGE PARK SO VEHICLE CAN MOVE AS IF I'M NEUTRAL. HAS THUS FAR HAPPENED WITH VEHICLE STOPPED, BUT YOU CAN SOMETIMES SHUT OFF ENGINE AND EXIT VEHICLE WHEN IT IS NOT IN PARK AND CAN ROLL AGAINST YOU, OR ON KIDS EXITING ETC. VEHICLE ROLLED IN GARAGE AND STRUCK, AND COULD HAVE CRUSHED CHILD AGAINST DOOR.”
NHTSA complaint #11315398, 2020 · crash · 1 injury(ies)

“Sold 2018 GMC Acadia by LEE GMC in auburn. Acadias shift to park was defective, dealership replaced before sale did not disclose, shift to park and transmission malfunctions occurred. I returned Acadia to the dealership several times and they would never properly fix or address my concerns now my vehicle is unsafe to drive. I have documentation to support the claims in my letter, I can send as well if you’d like. Thank you Will send attachment”
NHTSA complaint #11647553, 2025 · crash

Steering 24 2 crash 5 injury

“IN MOTION ON THE HIGHWAY 401 NORTH ONTARIO CANADA, THE VEHICLE ERRATICALLY INCREASED SPEED AND BRAKES WERE NOIR EFFECTIVE, LOST CONTROL OF THE STEERING WHEEL WHICH CAUSED A MASSIVE ACCIDENT INVOLVING MULTIPLE CARS AND RESULTED IN MULTIPLE INJURIES. *DT”
NHTSA complaint #11191133, 2019 · crash · 4 injury(ies)

“On July 26, 2024, I was driving my 2018 Acadia, with my cruise control set to 48 in a 45 MHP zone. Nearing a bad curve, I sneezed. When this happened, I tapped the brakes to disengage the cruise control, my passengers side tires exited the road and with both hands on the wheel I tried to slowly bring my tires back to the road. However, I was unable to gain control and totaled the vehicle. A witness stated that she heard a loud pop coming from the vehicle before the wreck happened. I later learned from my insurance that the vehicle had a Recall 17V516000 on it and I was never made aware of it.…”
NHTSA complaint #11605906, 2024 · crash · 1 injury(ies)

“When I’m driving on the highway, I get a message on my dashboard saying steering assist reduced, drive with care. I have taken to the GMC dealership and they will not cover this repair even though it would be covered for 2021 GMC. When this happens, my car makes a loud noise and my steering wheel does not feel right. I do not feel safe.”
NHTSA complaint #11748910, 2026

Service Brakes 21 4 crash 8 injury

“IN MOTION ON THE HIGHWAY 401 NORTH ONTARIO CANADA, THE VEHICLE ERRATICALLY INCREASED SPEED AND BRAKES WERE NOIR EFFECTIVE, LOST CONTROL OF THE STEERING WHEEL WHICH CAUSED A MASSIVE ACCIDENT INVOLVING MULTIPLE CARS AND RESULTED IN MULTIPLE INJURIES. *DT”
NHTSA complaint #11191133, 2019 · crash · 4 injury(ies)

“TL* THE CONTACT RENTED A 2018 GMC ACADIA. WHILE THE CONTACT'S FRIEND WAS DRIVING 40 MPH, THE ENGINE REVVED AND THE VEHICLE ACCELERATED ON ITS OWN. THE BRAKES FAILED TO STOP THE VEHICLE. AS A RESULT, THE VEHICLE DROVE THROUGH A PARTITION AND CRASHED INTO A BRICK WALL. THE AIR BAGS DEPLOYED. ALL FOUR OCCUPANTS IN THE VEHICLE WERE INJURED AND RECEIVED MEDICAL ATTENTION. THE CONTACT SUFFERED CHEST PAIN, ANOTHER OCCUPANT SUSTAINED A CUT ON THE HEAD, AND THE OTHER TWO OCCUPANTS SUFFERED FRACTURES. A POLICE REPORT WAS FILED. THE DEALER AND MANUFACTURER WERE NOT CONTACTED. THE CAUSE OF THE FAILURE WA…”
NHTSA complaint #11190983, 2019 · crash · 4 injury(ies)

“The contact owns a 2018 GMC Acadia C1. The contact stated that his wife was parking in the driveway and upon shifting into the park gear, the vehicle sensor would not register that it was in park, therefore not allowing the engine to be shut off. The contact stated that his wife proceeded to turn the vehicle on and off while continuously shifting the gears until finally placing the shifter into park, and successfully turning the vehicle's engine off. The contact noted that his wife exited the vehicle; however that moments after a loud bang could be heard, and upon inspection, the contact notic…”
NHTSA complaint #11673986, 2025 · crash

Electronic Stability Control (Esc) 12

“SHIFT VEHICLE INTO PARK. TURN VEHICLE OFF. WARNING LIGHT COMES ON AND SAYS "SHIFT TO PARK." TURN VEHICLE BACK ON. MOVE SHIFTIER FROM PARK TO 3RD GEAR. TURN VEHICLE OFF. WARNING LIGHT COMES ON AND SAYS "SHIFT TO PARK." DO THIS A FEW MORE TIMES AND IT FINALLY STOPS GIVING ME THE WARNING. IT DOES THIS INTERMITTENTLY.”
NHTSA complaint #11351844, 2020

“THE SECOND ROW SEATS GET STUCK FROM TIME TO TIME WHEN ATTEMPTING TO FOLD THEM DOWN. WE HAVE ALSO BEEN HAVING ISSUES WITH THE SHIFT GEAR WHEN TRYING TO PLACE IT IN PARK. WHEN THE CAR IS PLACED IN PARK AND WE TRY TO TURN IT OFF, THE CAR WILL REFUSE TO SHUT OFF AND WILL DING UNTIL FINALLY THE CAR REGISTERS THAT THE SHIFT GEAR IS IN PARK. I HAVE TO TURN ON AND OFF THE CAR MULTIPLE TIMES, AND EVEN WIGGLE THE GEAR MULTIPLE TIMES BEFORE THE SYSTEM FINALLY RECOGNIZES THAT THE CAR IS IN PARK.”
NHTSA complaint #11349232, 2020

“SHIFT TO PARK KNOWN ISSUE HAS STARTED. I'VE HAD THE CAR FOR 1 YR. 5 MONTHS. I KNOW THERE ARE LAWSUITS ON THIS ISSUE. CONTINUOUS ISSUE AND GETTING WORSE. THIS NEEDS TO BE TAKEN CARE OF BY GM. IT IS EPIDEMIC IN THEIR ACADIAS. STATIONARY AND PUTTING IT INTO PARK. IT DOESN'T RECOGNIZE IT'S IN PARK! IT'S BEEN OCCURRING OFF AND ON OVER A WEEK, NOT TODAY, EVERY TIME I TRY TO TURN OFF THE VEHICLE.”
NHTSA complaint #11329979, 2020

Fuel/Propulsion System 7 1 fire 2 injury

“Shifting to park and vehicle stating the vehicle is not in park, won't let me turn the vehicle off. Transmission going out, brought to many shops letting me know that the transmission is not working properly but won't give an engine light if anything is wrong with vehicle, Wont show on readers what is wrong with vehicle. Electrical, Doors will automatically lock and unlock most times lock and locks me in the vehicle having me have to climb through the windows and having to leave my windows open or locks me out the vehicle and can only get in by climbing in the trunk. Testing has been done and…”
NHTSA complaint #11689335, 2025 · 2 injury(ies)

“ON DECEMBER 5TH 2019, I ARRIVED HOME FROM WORK TO TAKE MY SON TO HIS DR. APT. I PULLED INTO MY DRIVEWAY AROUND 10:30AM. I LEFT THE CAR ON SO MY SON WOULDN'T HAVE TO GO INTO A COLD CAR, BEING HE WAY SICK. I RAN INTO MY HOUSE WHERE MY MOTHER WAS WATCHING BOTH MY SONS. I SAID TO MY MOM, LET ME USE THE RESTROOM QUICKLY BEFORE I GET HIS COAT ON. I WAS NO MORE THAN 2 MINS. AS I STEPPED OUT THE BATHROOM, I HEAR MY HUSBAND SCREAMING FROM UP STAIRS THE CAR IS ON FIRE! HE COMES RUNNING DOWN THERE STAIRS AS FAST AS HE CAN, ALMOST INJURING HIMSELF BECAUSE HE DIDN'T SEE ME YET AND THOUGHT I WAS IN THE CAR!…”
NHTSA complaint #11289836, 2019 · fire

“the transmission kept slipping. the car continued to lose power until it just wouldn't go anymore. The mechanic said it is definitely the transmission and drive shaft but my particular VIN is not included. I am looking at $7,000 in repairs on a car I owe $13,000.00”
NHTSA complaint #11738766, 2026

Lane Departure 6

“The contact owns a 2018 GMC Acadia. The contact stated that upon parking the vehicle and attempting to release the key from the ignition switch, the key seized inside the ignition switch. The contact stated that either the “Parking Assist” or the “Steering Assist” warning light was illuminated during the failures, and the A/C system became inoperable. The failure had occurred on several occasions. The vehicle was taken to the dealer, where it was diagnosed with Parking Assist and Steering Assist failures. The vehicle was repaired. The manufacturer was notified of the failure. The failure milea…”
NHTSA complaint #11715106, 2025

“The thermostat housing fails and is a known issue which causes the car to overheat and they said it will start of fire or shut down and loss of steering assist. The dealerships know about the issue and GMC does nothing leaving people with large repair bills or inoperable cars. the system won't let me upload my receipts here is the part #12678780 I was told by the dealership this is a known issue and they my emissions warranty only covers the thermostat but not the housing, but that they are 1 piece, playing games.....”
NHTSA complaint #11589301, 2024

“The thermostat stops working and my a/c stops blowing cold air, and driving assist stops and engine light goes on. It is a rampant problem among GMC Acadias with no reason or fix. Please advise.”
NHTSA complaint #11528642, 2023

Back Over Prevention 5

“My 2018 GMC Acadia is having the shift to park error. Causing it to not park; or error it causing us not to be able to turn vehicle off or know if it's in park. It pops up multiple times.”
NHTSA complaint #11683039, 2025

“Shift to park warning when parking and shutting down vehicle. Shifter is in park but will not shut off electrical system of vehicle.”
NHTSA complaint #11454874, 2022

“I have numerous warnings, shift to park, steering, cross traffic, this endangers myself and anyone else around me, i have read several class action suits involving these problems and it could cause my vehicle to pose a danger, I have taken my vehicle in to a certified dealer and they state there is no known recalls associated with my vehicle which is strange because GMC knows that there are thousands of vehicles having the same problem, did I buy a lemon? These problems are clearly manufacture related and in no way normal wear and tare. I should not have to compensate these issues when I paid…”
NHTSA complaint #11418960, 2021

Seats 5

“My car seats (2nd row & 3rd row) seats are rattling really bad when I am on the freeway or highway roads; signs of loose seats. Very concerning to wear it loosens the seat belt strap securing my toddlers car seat. I thought it was the road but unfortunately it’s my seats.”
NHTSA complaint #11607736, 2024

“THE SECOND ROW SEATS GET STUCK FROM TIME TO TIME WHEN ATTEMPTING TO FOLD THEM DOWN. WE HAVE ALSO BEEN HAVING ISSUES WITH THE SHIFT GEAR WHEN TRYING TO PLACE IT IN PARK. WHEN THE CAR IS PLACED IN PARK AND WE TRY TO TURN IT OFF, THE CAR WILL REFUSE TO SHUT OFF AND WILL DING UNTIL FINALLY THE CAR REGISTERS THAT THE SHIFT GEAR IS IN PARK. I HAVE TO TURN ON AND OFF THE CAR MULTIPLE TIMES, AND EVEN WIGGLE THE GEAR MULTIPLE TIMES BEFORE THE SYSTEM FINALLY RECOGNIZES THAT THE CAR IS IN PARK.”
NHTSA complaint #11349232, 2020

“THE SERVICE STABILTRAK NOTIFCATION KEEPS COMING ON AND SHUTTING OFF ON ITS OWN WHILE IN MOTION ON A STREET AND IT HAS ALSO HAPPENED WHILE ON THE HIGHWAY. IT HAS OCCURRED AT DIFFERENT SPEEDS AND SEVERAL TIMES WITH DIFFERENT PEOPLE DRIVING.THE DEALERSHIP CAN'T FIGURE OUT WHY AND IT DOESN'T SHOW IT EVEN CAME ON AT ALL. WHEN IN MOTION ON A STRRET GOING 46MPH THE CAR TRIED TO AUTO CORRECT PULLING ME OUT OF MY LANE BY ITSLEF. IT WAS A STRAIGHT STREET WITH NO CURVES WHERE THIS OCCURRED. THANK GOD THERE WASNT A CAR IN THE LANE NEXT TO ME. THE SIDE MIRRORS RESET THEMSELVES ALL THE TIME. IF I MOVE THE S…”
NHTSA complaint #11139662, 2018

Suspension 5 1 crash 1 injury

“On July 26, 2024, I was driving my 2018 Acadia, with my cruise control set to 48 in a 45 MHP zone. Nearing a bad curve, I sneezed. When this happened, I tapped the brakes to disengage the cruise control, my passengers side tires exited the road and with both hands on the wheel I tried to slowly bring my tires back to the road. However, I was unable to gain control and totaled the vehicle. A witness stated that she heard a loud pop coming from the vehicle before the wreck happened. I later learned from my insurance that the vehicle had a Recall 17V516000 on it and I was never made aware of it.…”
NHTSA complaint #11605906, 2024 · crash · 1 injury(ies)

“Rear right hand lower suspension control arm broke in half, after further inspection it looks to have been separated from its original factory form which then cause uneven load on the arm causing it to fracture in half. The factory form separation seems to have been ongoing for unknown time due to surface rust is visible at the factory mold separation, where it snapped in half there is no surface rust. Fortunately it happened when I was only moving the vehicle to make space for another, the broken arm cause the wheel to turn to the right as if it was making a right hand turn and I can't imagin…”
NHTSA complaint #11682397, 2025

“Suspension did not meet yearly state inspection standards. Service advisor/technician stated “control arm bushing deteriorated- excessive play”. Rear control arms could be moved with hand pressure excessive play. They stated that this is a very common problem with this make of car at this mileage (41,633).”
NHTSA complaint #11516506, 2023

Vehicle Speed Control 5 1 crash 4 injury

“IN MOTION ON THE HIGHWAY 401 NORTH ONTARIO CANADA, THE VEHICLE ERRATICALLY INCREASED SPEED AND BRAKES WERE NOIR EFFECTIVE, LOST CONTROL OF THE STEERING WHEEL WHICH CAUSED A MASSIVE ACCIDENT INVOLVING MULTIPLE CARS AND RESULTED IN MULTIPLE INJURIES. *DT”
NHTSA complaint #11191133, 2019 · crash · 4 injury(ies)

“The contact owns a 2018 GMC Acadia. The contact stated that while driving at 60 MPH, the reduced engine power message was displayed. The RPM increased to high, and the engine revved. The accelerator pedal was depressed, but the vehicle failed to respond as needed. The contact stated that the failure was related to NHTSA Campaign Number: 18V358000 (Fuel System, Gasoline). The vehicle was taken to the local dealer, where it was determined that the high-pressure fuel pump needed to be replaced. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately…”
NHTSA complaint #11649181, 2025

“The contact owns a 2018 GMC Acadia. The contact stated while driving at an undisclosed speed, the cruise control feature failed to function as intended. The contact stated that the vehicle exceeded the set speed. The contact deactivated the cruise control feature; however, the vehicle failed to decelerate. The contact depressed the brake pedal, however the vehicle failed to stop as intended. The contact had to repeatedly depress the brake pedal before the vehicle finally stopped. The vehicle was taken to an independent mechanic; however, the failure was not duplicated. The vehicle was not repa…”
NHTSA complaint #11639188, 2025

Wheels 4

“THE ACADIA HAS 23,700 MILES ON AND THE TIRES ARE WEARING OUT. NEW TIES SHOULDN'T BE NEEDED UNTIL 60,000 MILES. THIS IS A LOT OF DIFFERENCE IN WHAT SHOULD BE OBTAINED BY THESE TIRES.”
NHTSA complaint #11406228, 2021

“VEHICLE WHEN PUT IN PARK DOES NOT SHUT OFF. TOOK TO HILLSDALE GMC 1/13/20 AND IT WAS OKAY FOR AWHILE. THIS SAME PROBLEM STARTED ABOUT 3 MO AGO AGAIN. PUT IN PARK WILL NOT SHUT OFF. YOU MAY HAVE TO RESTART, PULL INTO GEAR, BACK TO PARK, OVER AND OVER! VERY ANNOYING ESPECIALLY IF YOU HAVE AN APPOINTMENT!”
NHTSA complaint #11406224, 2021

“FRONT TIRES HAVE STARTED COMING APART; SUCH AS, TEARING OR RIPPED TREAD. SIMILAR TO LOOKING LIKE THEY WERE "GOUGED" WITH SOMETHING. TIRES ARE ROTATED WITH EACH OIL CHANGE ON A REGULAR BASIS. PURCHASED VEHICLE NEW WITH 440 MILES, AND CURRENTLY HAVE 33,XXX MILES ON THESE TIRES. JUST RECENTLY NOTICED THIS ON THE 2 FRONT TIRES, SO DATE "HAPPENED" IS DATE IT WAS FIRST NOTICED. VEHICLE HAS NOT BEEN IN ANY KIND OF ACCIDENT, OR OFF ROAD, OR DRIVEN RECKLESSLY.”
NHTSA complaint #11265958, 2019

Forward Collision Avoidance 3

“Roof is leaking in vehicle without reason after seals and tubing replaced. Brakes lock up without warning!”
NHTSA complaint #11614920, 2024

“Cars emergency brake locks up for no reason. Happened on several occasions but last instance burned out actuator and locked up calipers from just sitting on a hill with foot on brake. This is a huge safety issue when it locks up for no reason on a road. It’s stranded me at least twice because it’s hard to undue.”
NHTSA complaint #11450845, 2022

“The car needs an PCM upgrade because it’s lit up a code in randomly situation. Causing the vehicle to lose the water temperature gage, power steering wheel assistance reduced and ac stop working, gmc is aware of the problem even issued a technical bulletin in 2018, but instead of inform the clients about the defective part, they want the client with this problem to pay to upgrade a defective PCM that came out from factory with problem. Note the power steering wheel assistance is part of the safety of the car. The problem always existed in the car, it toke me 2 years to find the problem.”
NHTSA complaint #11584183, 2018

Seat Belts 3

“DRIVES SIDE SEATBELT BASE RELEASE LATCH. SEATBELT WILL NO LONGER LATCH. SEAT BELT WAS NOT PULLED, OCCURRED WHILE CAR WAS IN PARK.”
NHTSA complaint #11340174, 2020

“TL* THE CONTACT OWNS A 2018 GMC ACADIA. THE CONTACT STATED THAT THE FRONT PASSENGER SEAT BELT BUCKLE DID NOT LOCK. THE VEHICLE WAS TAKEN TO FREEHOLD BUICK GMC (4404 U.S. 9, FREEHOLD, NJ 07728, (732) 410-4117) WHERE THE CONTACT WAS INFORMED THAT THE PART WAS ON BACKORDER AND A LOANER VEHICLE WAS NOT AVAILABLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 28,000.”
NHTSA complaint #11279580, 2019

“PASSENGER SEAT SITS LOW ON THE FLOOR WITH MY SHOULDERS UNDER THE WINDOW SHELF AND NOT ADJUSTABLE UP OR DOWN, THE SEATBELT IS ALSO NOT ADJUSTABLE AND HIT RIGHT UNDER MY CHIN. NO WAY OF GETTING AWAY FROM BEING INJURED OR DECAPITATED IN A CRASH. IM 5'5"”
NHTSA complaint #11089001, 2018

Exterior Lighting 2

“Shift to park Malfunction again, 4 th time!! 1000$ to fix is ridiculous”
NHTSA complaint #11742706, 2026

“DRIVING AT NIGHT , IF IT IS RAINING, HEADLIGHTS ARE NOT BRIGHT ENOUGH. SO BAD IT'S LIKE THERE NOT ON. THESE PROJECTION LIGHTS ARE USELESS. I HAVE HAD TWO NEAR MISSES BECAUSE OR THIS PROBLEM THE OLDER STYLE LIGHTS WERE SO MUCH BETTER, MY TRUCK HAS THE OLDER STYLE H4 BULBS AND THEY ARE SO MUCH BRIGHTER.”
NHTSA complaint #11152058, 2018

Fuel System 2

“The contact owns a 2018 GMC Acadia. The contact stated that while driving at an undisclosed speed, the vehicle failed to accelerate while attempting to shift gears. The contact stated that the vehicle jerked and made an abnormal sound, with the check engine warning light illuminated. Additionally, the contact stated there was black and white smoke coming from the rear of the vehicle. The vehicle was taken to the dealer, where it was diagnosed with transmission, cooling system, and fuel system failures. The dealer also determined that the engine was leaking oil. The dealer informed the contact…”
NHTSA complaint #11695258, 2025

“The contact owns a 2018 GMC Acadia. The contact stated that while driving at 60 MPH, the reduced engine power message was displayed. The RPM increased to high, and the engine revved. The accelerator pedal was depressed, but the vehicle failed to respond as needed. The contact stated that the failure was related to NHTSA Campaign Number: 18V358000 (Fuel System, Gasoline). The vehicle was taken to the local dealer, where it was determined that the high-pressure fuel pump needed to be replaced. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately…”
NHTSA complaint #11649181, 2025

Air Bags 1

“Was driving down a dirt road and suddenly the airbags deployed for no reason. Ruined the car.”
NHTSA complaint #11419426, 2021

Engine And Engine Cooling 1

“The contact owns a 2018 GMC Acadia. The contact stated that while driving at an undisclosed speed, the vehicle failed to accelerate while attempting to shift gears. The contact stated that the vehicle jerked and made an abnormal sound, with the check engine warning light illuminated. Additionally, the contact stated there was black and white smoke coming from the rear of the vehicle. The vehicle was taken to the dealer, where it was diagnosed with transmission, cooling system, and fuel system failures. The dealer also determined that the engine was leaking oil. The dealer informed the contact…”
NHTSA complaint #11695258, 2025

Parking Brake 1

“Electronic park brake failed to release, flashing park in red on my instrument cluster and after numerous attempts to release it the amber wrench sign also displayed . I could only get it to release after disconnecting the battery and reconnecting it after a few minutes lapsed. It has continued to do this as recent as last week around the 1st of June 2022.”
NHTSA complaint #11467922, 2021

Structure 1

“FRONT SUNROOF EXPLODED ON JULY 25, 2018. DRIVING DOWN ROAD HEARD LOUD GUN SHOT LIKE SOUND AND THE GLASS STARTED POURING IN. MOST THE GLASS WENT TO THE BACK SEAT WHERE MY 4 AND 5 YEAR OLD WERE IN THEIR CAR SEATS. WE WERE HEADED ON VACATION FORM ARKANSAS TO THE BEACH IN ALABAMA. THE VEHICLE WAS IN MOTION. TWO LANE HIGHWAY IN THE MIDDLE OF NO WHERE NO CARS IN SIGHT. WEATHER WAS CLEAR.”
NHTSA complaint #11114685, 2018

Visibility/Wiper 1

“DRIVING STRAIGHT ON FREEWAY WHEN REAR PANORAMIC SUNROOF EXPLODED WITH THE SOUND LIKE A GUNSHOT. THE GLASS IS SHATTERED OUTWARD STILL WITH PHOTOS TO SHOW THE OUTWARD EXPLOSION.”
NHTSA complaint #11103918, 2018