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

GMC Terrain 2018-2025 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 2018-2025 Owners Manual: Wireless Charging

If equipped, the vehicle has a wireless charging pocket outside the armrest of the center console. The system operates at 145 kHz and wirelessly charges one Qi compatible smartphone. The power output of the system is capable of charging at a rate up to 3 amp (19...

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