GMC Terrain: Cooling System / Engine Coolant
GMC Terrain 2018-2024 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 2018-2024 Owners Manual: Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life system should be reset to 100% only following an oil change...
GMC Terrain 2018-2024 Owners Manual: Lockout Protection
If the ignition is on or in ACC/ ACCESSORY and the power door lock switch is pressed with the driver door open, all the doors will lock and only the driver door will unlock. If the vehicle is off and locking is requested while a door is open, when all doors are closed the vehicle will check for RKE transmitters inside...
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