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The 2015 GMC Terrain requires SAE 5W-30 engine oil that meets the dexos1 specification. In exceptionally cold climates, you can use 0W-30 oil with dexos1 approval. The 2.4-liter L4 engine needs 5 quarts of oil, while the 3.6-liter V6 engine requires SRX. It's important to check the oil level weekly and change it regularly for proper lubrication. The Terrain comes with an oil life monitoring system that monitors engine functions to determine when an oil change is needed. When the indicator light appears on the dashboard, schedule your next oil change within the next 500 miles.
The 2015 GMC Terrain requires 5W-30 engine oil that meets dexos1 quality standards.