GMC Terrain: Setting Cruise Control / 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. For each press, the vehicle goes about 1 km/h (1 mph) slower.

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.

    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...

    Passing Another Vehicle While Using Cruise Control

    Use the accelerator pedal to increase the vehicle speed. When you take your foot off the pedal, the vehicle will slow down to the previous set cruise speed...

    Other information:

    GMC Terrain 2018-2026 Owners Manual: Replacing Airbag System Parts after a Crash


    Warning A crash can damage the airbag systems in the vehicle. A damaged airbag system may not properly protect you and your passenger(s) in a crash, resulting in serious injury or even death. To help make sure the airbag systems are working properly after a crash, have them inspected and any necessary replacements made as soon as possible...

    GMC Terrain 2018-2026 Owners Manual: Passenger Sensing System


    The vehicle has a passenger sensing system for the front outboard passenger position. The passenger airbag status indicator will light on the overhead console when the vehicle is started. The words ON and OFF will be visible during the system check...

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