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

GMC Terrain 2018-2026 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 2018-2026 Owners Manual: Checking Coolant

The vehicle must be on a level surface when checking the coolant level. Check to see if coolant is visible in the coolant surge tank. If the coolant inside the coolant surge tank is boiling, do not do anything else until it cools down. If coolant is visible but the coolant level mark is not visible, add a 50/50 mixture of clean, drinkable water and DEX-COOL coolant at the coolant surge..

GMC Terrain 2018-2026 Owners Manual: Compass and Clock