10.0

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

About These NHTSA Complaints:

The NHTSA is the US gov't agency tasked with vehicle safety. Complaints can be spread across multiple & redundant categories, & are not organized by problem. See the Back button — blue bar at the very top of the page — to explore more.

Get notified about new defects, investigations, recalls & lawsuits for the 2020 GMC Terrain:

Unsubscribe any time. We don't sell/share your email.

Get free help with your lemon!
close ad
problem #1

Jun 112021

Terrain

  • miles
On fairly level ground, reduce speed hill descent control msg has activated (12 mile and maxwell area 2x, Rochester Hills Kohls parking lot exit) and once entering river bend dr. vehicle has also has had activated brakes on oak hill street in rochester. the vehicle has less than 4100 miles. very concerning about activated brakes.

- Rocherster Hills, MI, USA