GMC Terrain: Engine Coolant - Vehicle Checks - Vehicle Care - GMC Terrain Owner's ManualGMC Terrain: Engine Coolant

The cooling system in the vehicle is filled with DEX-COOL® engine coolant. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first.

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 on page 10‑20.

Cooling System
2.4L L4 Engine A. Engine Cooling Fan (Out of View) B. Engine Coolant Surge Tank and Pressure Cap 3.0L V6 Engine A. Engine Cooling Fans (Out of View) B. Engine Coolant Surge Tank and Pressure ...

What to Use
WARNING Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warning sy ...

See also:

Headlights
1. Headlight (high-beam) 2. Front turn signal/park/side marker light 3. Front map light 4. Ceiling light 5. Front fog light 6. Headlight (low-beam) 7. High-mounted stop light 8. Cargo ...

Reporting safety defects
In the 50 United States and Washington, D.C. If you believe that your vehicle has a defect that could cause a crash or cause injury or death, you should immediately inform the National Highway Tr ...

Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended can cause persistent, heavy “spark knock”. (Spark knock is a metallic rapping noise.) If severe, this can lead to engin ...