GMC Terrain: Cruise Control / Setting Adaptive Cruise Control

If is on when not in use, SET–/ RES+ could be pressed by mistake and engage ACC when not desired. Keep 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 .
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.

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.

• Resuming a Set Speed
• Increasing Speed While ACC Is at a Set Speed
• Selecting the Follow Distance Gap
• Alerting the Driver
• Approaching and Following a Vehicle
• Stationary or Very Slow-Moving Objects
• Irregular Objects Affecting ACC
• ACC Automatically Disengages
• Notification to Resume ACC
• Curves in the Road
• Other Vehicle Lane Changes
• Objects Not Directly in Front of Your Vehicle
• Driving in Narrow Lanes
• Do Not Use ACC on Hills and When Towing a Trailer
• Disengaging ACC
• Erasing Speed Memory
• Weather Conditions Affecting ACC
• Lighting Conditions Affecting ACC
• Accessory Installations and Vehicle Modifications
• Cleaning the Sensing System