2011 Buick Enclave Owner's Manual - Page 394

11-6 Service and Maintenance Recommended Fluids, Lubricants, and Parts Recommended Fluids and Lubricants Usage Fluid/Lubricant The engine requires engine oil approved to the dexos specification. Oils meeting this specification can be identified with the dexos certification mark. Look for and use only an engine oil that displays the dexos certification mark of the proper viscosity grade. See Engine Oil on page 10‑8. 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Engine Coolant on page 10‑14. DOT 3 Hydraulic Brake Fluid (GM Part No. 88862806, in Canada 88862807). Optikleen® Washer Solvent. GM Power Steering Fluid (GM Part No. 89021184, in Canada 89021186). DEXRON®-VI Automatic Transmission Fluid. Engine Oil Engine Coolant Hydraulic Brake System Windshield Washer Hydraulic Power Steering System Automatic Transmission