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

GMC Terrain 2018-2024 Owners Manual / Driving and Operating / Cruise Control / 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 2018-2024 Owners Manual: Fuel (Diesel). E85 or FlexFuel

Fuel (Diesel). Use of diesel fuel with ultra low sulfur content (15 ppm, maximum) is required. See Fuel for Diesel Engines. E85 or FlexFuel No E85 or FlexFuel Gasoline-ethanol fuel blends greater than E15 (15% ethanol by volume), such as E85, cannot be used in this vehicle...

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