One problem related to cruise control has been reported for the 2020 GMC Terrain. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2020 GMC Terrain based on all problems reported for the 2020 Terrain.
When cruise control is engaged at 71mph, holding +res button to increase speed and releasing it at 77mph sets cruise speed too high. Car continues to accelerate. Cruise gets set at 100mph and accelerates more then desired. See link with video of event https://photos. App. Goo. Gl/o7zgeqwcsu7kycv58 see attached picture of owners manual.
| Vehicle Speed Control problems | |
| Cruise Control problems |