GMC Terrain Quiz
Vehicle Care

Engine Coolant

In this manual: Vehicle Care
Introduction — 1In Brief — 46Keys, Doors and Windows — 37Seats and Restraints — 60Storage — 6Instruments and Controls — 58Lighting — 16Infotainment System — 1Climate Control — 8Driving and Operation — 128Vehicle Care — 75Service and Maintenance — 8Technical Data — 5Customer Information — 18OnStar — 6Connected Services — 4
~1min read

The engine cooling system in your vehicle is filled with a 50/50 mixture of DEX-COOL engine coolant. This coolant must be checked and replaced at the appropriate intervals. 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.

Test yourself

A quick GMC Terrain quiz: every answer comes with an explanation and a link to the manual page.