GMC Terrain: Setting Adaptive Cruise Control / Disengaging ACC

Do Not Use ACC on Hills and When Towing a Trailer

Do not use ACC when driving on steep hills or when towing a trailer. ACC will not detect a vehicle in the lane while driving on steep hills. If the brakes are applied, ACC disengages...

Erasing Speed Memory

The ACC set speed is erased from memory if is pressed or if the ignition is turned off...

Other information:

GMC Terrain 2018-2025 Owners Manual: Filling the Tank (Diesel)

Warning Fuel vapors and fuel fires burn violently and can cause injury or death. To help avoid injuries to you and others, read and follow all the instructions on the fuel pump island. Turn off the engine when refueling. Keep sparks, flames, and smoking materials away from fuel. Do not leave the fuel pump unattended. Avoid using electronic devices while refueling. Do not r..

GMC Terrain 2018-2025 Owners Manual: Driver Behavior. Driving Environment

Driver Behavior Driving is an important responsibility. Driver behavior, the driving environment, and the vehicle's design all affect how well a vehicle performs. Being aware of these factors can help in understanding how the vehicle handles and what can be done to avoid many types of crashes, including a rollover crash. Most serious injuries and fatalities to unbelted occupants can be re..