GMC Terrain: Driving and Operating / Fuel

Lane Keep Assist (LKA)

If equipped, LKA may help avoid crashes due to unintentional lane departures. It may assist by gently turning the steering wheel if the vehicle approaches a detected lane marking without using a turn signal in that direction...

Top Tier Fuel (Gasoline and Diesel)

Top Tier Fuel (Gasoline) GM recommends the use of TOP TIER Detergent Gasoline to keep the engine clean, reduce engine deposits, and maintain optimal vehicle performance...

Other information:

GMC Terrain 2018-2023 Owners Manual: Rear Seat Belt Comfort Guides

Warning A seat belt that is not properly worn may not provide the protection needed in a crash. The person wearing the belt could be seriously injured. The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces...

GMC Terrain 2018-2023 Owners Manual: Cooling System

1.5L Gas Engine Engine Cooling Fan (Out of View) Engine Coolant Surge Tank and Pressure Cap 1.6L Diesel Engine Engine Cooling Fan (Out of View) Engine Coolant Surge Tank and Pressure Cap 2.0L Gas Engine Engine Cooling Fans (Out of View) Engine Coolant Surge Tank and Pressure Cap Warning An underhood electric fan can start up even when the engine is not running and can ..