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 2018-2026 Owners Manual: Hill Descent Control Light and Lane Keep Assist (LKA) Light


    Hill Descent Control Light If equipped, the Hill Descent Control light comes on when the system is ready for use. When the light flashes, the system is active. See Hill Descent Control (HDC). Lane Keep Assist (LKA) Light If equipped, this light is green if LKA is available to assist...

    GMC Terrain 2018-2026 Owners Manual: Side Blind Zone Alert (SBZA)


    If equipped, the SBZA system is a lane-changing aid that assists drivers with avoiding crashes that occur with moving vehicles in the side blind zone (or spot) areas. When the vehicle is in a forward gear, the left or right side mirror display will light up if a moving vehicle is detected in that blind zone...

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