GMC Terrain: Setting Cruise Control / Increasing Speed While Using Cruise Control

If the cruise control system is already activated:

  • Press and hold +RES on the steering wheel until the vehicle accelerates to the desired speed, then release it.
  • To increase the speed in small increments, briefly press +RES. For each press, the vehicle goes about 1 km/h (1 mph) faster.

The speedometer reading can be displayed in either English or metric units.

See Instrument Cluster (Base and Midlevel) or Instrument Cluster (Uplevel). The increment value used depends on the units displayed.

    Resuming a Set Speed

    If the cruise control is set at a desired speed and then the brakes are applied or is pressed, the cruise control is disengaged without erasing the set speed from memory...

    Reducing Speed While Using Cruise Control

    If the cruise control system is already activated: Press and hold –SET until the desired lower speed is reached, then release it. To slow down in small increments, briefly press –SET...

    Other information:

    GMC Terrain 2018-2023 Owners Manual: Rear Seat Reminder


    If equipped, the message REAR SEAT REMINDER LOOK IN REAR SEAT displays under certain conditions indicating there may be an item or passenger in the rear seat. Check before exiting the vehicle. This feature will activate when a second row door is opened while the vehicle is on or up to 10 minutes before the vehicle is turned on...

    GMC Terrain 2018-2023 Owners Manual: Engine Coolant Temperature Gauge


    Metric Uplevel English Uplevel This gauge shows the engine coolant temperature. If the pointer moves toward the warning area at the high end of the gauge, the engine is too hot. If the engine coolant has overheated and the vehicle has been operating under normal driving conditions, pull off the road, stop the vehicle, and turn off the engine as soon as possible...

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