2015 Cadillac CTS Owner Manual - Page 356

Service and Maintenance 11-13 Recommended Fluids, Lubricants, and Parts Recommended Fluids and Lubricants Usage Engine Oil Fluid/Lubricant Use only engine oil meeting the dexos1™ specification of the proper SAE viscosity grade. Look for the dexos1 approved logo for GM approved engine oil. See Engine Oil on page 10-10. 50/50 mixture of clean, drinkable water and use only DEX-COOL ® Coolant. See Engine Coolant on page 10-18. DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, in Canada 19299819). Automotive windshield washer fluid that meets regional freeze protection requirements. Engine Coolant Hydraulic Brake System Windshield Washer 6-Speed Automatic Transmission (w/ DEXRON®-VI Automatic Transmission Fluid. 2.0L L4 and 3.6L LFX AWD Engines) 8-Speed Automatic Transmission (w/ 3.6L LFX RWD and 3.6L LF3 Engines) Transfer Case (All-Wheel Drive) Rear Axle (Non-Limited Slip Differential) ATF-WS Automatic Transmission Fluid (GM Part No. 88863400, in Canada 88863401). Transfer Case Fluid (GM Part No. 88861950, in Canada 88861951). SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88863089, in Canada 88863090) meeting GM Specification 9986285.