2012 Buick Regal Owner Manual - Page 391

Service and Maintenance 11-13 Recommended Fluids, Lubricants, and Parts Recommended Fluids and Lubricants Usage Engine Oil Fluid/Lubricant Use only engine oil licensed to the dexos1 specfication, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. See Engine Oil on page 10￿11. Engine Coolant (Except Vehicles with 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. eAssist) See Engine Coolant on page 10￿19. Engine Coolant (Vehicles with eAssist) Hydraulic Brake/Clutch System (Vehicles with DOT 3 brake fluid) Hydraulic Brake/Clutch System (Vehicles with DOT 4 brake fluid) Windshield Washer Hydraulic Power Steering System Always use the pre￿mixed 50/50 mixture of deionized water and DEX-COOL Coolant available at your dealer. DOT 3 Hydraulic Brake Fluid (GM Part No. 88862806, in Canada 88862807). DOT 4 Hydraulic Brake Fluid (GM Part No. 88958860, in Canada 88901244). Optikleen® Washer Solvent. DEXRON®-VI Automatic Transmission Fluid. Automatic Transmission Fluid (GM Part No. 19256039, in Canada 19256040). See your dealer. Automatic Transmission (2.4L Engine) DEXRON ®-VI Automatic Transmission Fluid. Automatic Transmission (2.0L Engine) Manual Transmission