Recommended Fluids andLubricantsFluids and lubricants identified below by name, partnumber, or specification can be obtained from yourdealer/retailer.Usage Fluid/LubricantEngine OilThe engine requires a specialengine oil meeting GM StandardGM4718M. Oils meeting thisstandard can be identified assynthetic, and should also beidentified with the AmericanPetroleum Institute (API) Certifiedfor Gasoline Engines starburstsymbol. However, not all syntheticAPI oils with the starburst symbolwill meet this GM standard. Lookfor and use only oil that meetsGM Standard GM4718M. For theproper viscosity, see Engine Oil onpage 6‑18.Usage Fluid/LubricantEngine CoolingSystem50/50 mixture of clean, drinkablewater and use only DEX-COOL ®Coolant. See Engine Coolant onpage 6‑27.HydraulicBrake SystemDOT 3 Hydraulic Brake Fluid(GM Part No. U.S. 12377967, inCanada 89021320).WindshieldWasher Optikleen ® Washer Solvent.Parking BrakeCable GuidesChassis Lubricant(GM Part No. U.S. 12377985, inCanada 88901242) or lubricantmeeting requirements of NLGI #2,Category LB or GC-LB.Power SteeringSystemGM Power Steering Fluid(GM Part No. U.S. 89021184, inCanada 89021186).AutomaticTransmissionDEXRON ® -VI AutomaticTransmission Fluid.7-9