GMC Terrain Quiz
Driving and Operation

Resuming the Set Speed

In this manual: Driving and Operation
Introduction — 1In Brief — 46Keys, Doors and Windows — 37Seats and Restraints — 60Storage — 6Instruments and Controls — 58Lighting — 16Infotainment System — 1Climate Control — 8Driving and Operation — 128Vehicle Care — 75Service and Maintenance — 8Technical Data — 5Customer Information — 18OnStar — 6Connected Services — 4
~1min read

If ACC is set to a desired speed and then the brakes are applied, ACC disengages without erasing the set speed from memory.

To resume using ACC, briefly press RES+, moving more than 5 km/h. The vehicle returns to the previously set speed.

The green ACC indicator and set speed display on the instrument cluster. The vehicle ahead indicator may flash if a vehicle ahead was present and moving. See Approaching and Following a Vehicle later in this section.

After resuming ACC, if there is no vehicle ahead, if the vehicle ahead is outside the selected following gap, or if the vehicle has left a sharp curve, the vehicle speed will increase to the set speed.

Test yourself

A quick GMC Terrain quiz: every answer comes with an explanation and a link to the manual page.