GMC Terrain: Cruise Control / Setting Adaptive Cruise Control

If GMC Terrain. Setting Adaptive Cruise Control is on when not in use, SET–/ RES+ could be pressed by mistake and engage ACC when not desired. Keep GMC Terrain. Setting Adaptive Cruise Control off when cruise is not being used.

Select the set speed desired for ACC. This is the vehicle speed when no vehicle is detected in your path.

While the vehicle is moving, ACC will not set at a speed less than 25 km/h (15 mph), although it can be resumed when driving at lower speeds.

To set ACC while moving:

  1. Press GMC Terrain. Setting Adaptive Cruise Control.
  2. Get up to the desired speed.
  3. Press and release SET–.
  4.  Remove foot from the accelerator.

After ACC is set, it may immediately apply the brakes if a vehicle ahead is detected closer than the selected following gap.

GMC Terrain. Setting Adaptive Cruise Control

The ACC indicator displays on the instrument cluster. When ACC is turned on, the indicator will be lit white.

Be mindful of speed limits, surrounding traffic speeds, and weather conditions when selecting the set speed.

Adaptive Cruise Control

If equipped, Adaptive Cruise Control (ACC) allows the cruise control set speed and following gap to be selected. Read this entire section before using this system...

Resuming a Set Speed

If the ACC is set at a desired speed and then the brakes are applied, ACC is disengaged without erasing the set speed from memory. To begin using ACC again, press RES+ briefly while moving more than 5 km/h (3 mph)...

Other information:

GMC Terrain 2018-2025 Owners Manual: Info Pages


The following is the list of all possible DIC info page displays. Some may not be available for your particular vehicle. Some items may not be turned on by default but can be turned on through the Options app. See “Info Page Options” earlier in this section...

GMC Terrain 2018-2025 Owners Manual: Lane Change Alert (LCA)


If equipped, the LCA system is a lane-changing aid that assists drivers with avoiding lane change crashes that occur with moving vehicles in the side blind zone (or spot) areas or with vehicles rapidly approaching these areas from behind. The LCA warning display will light up in the corresponding outside mirror and will flash if the turn signal is on...

    Categories

    Vehicle Personalization

    The following are all possible vehicle personalization features. Depending on the vehicle, some may not be available.

    For System, Apps, and Personal features and functions, see “Settings” in the infotainment manual.

    To access the vehicle personalization menu:

    Touch the Settings icon on the Home Page of the infotainment display. Touch Vehicle to display a list of available options. Touch to select the desired feature setting. Touch GMC Terrain. Vehicle Personalization or R to turn a feature off or on. Touch GMC Terrain. Vehicle Personalization to go to the top level of the Settings menu.

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