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Problems with 2020 GMC Terrain VEHICLE SPEED CONTROL

On average, the 2020 GMC Terrain starts to “feel” problems with the VEHICLE SPEED CONTROL and its various aspects after 1 000 miles.

Recently reported VEHICLE SPEED CONTROL problems on 2020 GMC 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