GMC Terrain: Cooling System / Engine Coolant
GMC Terrain 2018-2026 Owners Manual / Vehicle Care / Vehicle Checks / Cooling System / Engine Coolant
The engine cooling system in the vehicle is filled with DEX-COOL engine coolant mixture. This coolant needs to be checked and changed at appropriate levels. See Recommended Fluids and Lubricants and Maintenance Schedule.
The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating.
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...
What to Use
Warning
Plain water, or other liquids such
as alcohol, can boil before the
proper coolant mixture will. With
plain water or the wrong mixture,
the engine could get too hot but there would not be an overheat
warning...
Other information:
GMC Terrain 2018-2026 Owners Manual: Engine Exhaust
Engine Exhaust Warning Engine exhaust contains carbon monoxide (CO), which cannot be seen or smelled. Exposure to CO can cause unconsciousness and even death. Exhaust may enter the vehicle if: The vehicle idles in areas with poor ventilation (parking garages, tunnels, deep snow that may block underbody airflow or tail pipes)...
GMC Terrain 2018-2026 Owners Manual: Exterior Lighting
The exterior lamp control is on the instrument panel to the left of the steering column. There are four positions. : Turns the exterior lamps off and deactivates the AUTO mode. Turn to again to reactivate the AUTO mode. In Canada, the headlamps will automatically reactivate when the vehicle is shifted out of P (Park)...
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