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10.0

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
0 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2021 GMC Terrain electrical problems

electrical problem

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2021 GMC Terrain Owner Comments

problem #4

Feb 072023

Terrain

  • miles

A D V E R T I S E M E N T S

Just purchased this vehicle has about 64500 miles on it. When accelerating between 40-55 (hard acceleration) my vehicle wobbles really bad, seems like a tire issue. Have had the front end looked at, and tires all balanced and inspected. Noting out of the ordinary. Then all of a sudden my rear view back up camera works, but my back up assist symbols are not showing/working. I checked the settings and they are turned on. To top off the cake, when the weather is cold outside my windshield wiper fluid will not spray from the front windshield or rear, then when it warms up or is parked in a garage it works again. I have made sure the correct wiper fluid is added as well so it does not freeze. But apparently it is getting stuck somewhere......

- Twin Falls, ID, USA

problem #3

Oct 132022

Terrain

  • miles
Recently I have noticed that the back brakes squeak and sound like they are grinding when backing up. Also every now and then the information screen will go black for a while then turn back on could be a few seconds or several minutes. 23,900 on car

- Plainfield, IL, USA

problem #2

Jan 032022

Terrain

  • miles
While driving my vehicle and talking on the phone, the radio screen went black. Bluetooth or nothing in connection to it was working. After about 2 hours it came back on. I was told to bring to dealership to be checkout, but it came back on. I'm going to take it to the dealership. My vehicle has 13,000 miles on it.

- Baton Rouge, LA, USA

problem #1

Nov 302021

Terrain

  • miles
I dropped my son off at school and he mistakenly took my car keys into school with him, and somehow I was able to drive all the way home, 4.5 miles, with no key in the car and no warning to stating the remote wasn't in the car. The issue with this is if I'd driven further, perhaps to another state, or even driven somewhere at night, I would have been stranded once I turned the car off. There was no indication that the remote wasn't in the car, and the car never cut off. I only knew the remote was gone once I arrived home and turned off the ignition. That's when the message displayed that the remote wasn't in the car. I had to call an Uber to go back to my son's school to get the key. This could have been a disaster had I driven further or not had the funds to get back to my son's school. Not to mention if a car thief had someone occupied my car and driven off in it. They could have gotten as far as they wanted (or gas would allow) before the car shut-off as long as they didn't turn off the car. I stopped at stop lights and stop signs and the car just kept going. The issue should be looked into and addressed immediately. This just occurred yesterday. The vehicle has not been inspected and this was the first time anything like that has happened. I normally receive a warning message if my remote isn't in the car even if it's just in the house. This is clearly a defect that needs to be fixed.

- Farmington Hills, MI, USA

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