11-12 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Usage Fluid/Lubricant
Engine Oil
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 10‑9.
Engine Cooling System
Premix DEX-COOL (GM Part No. 12378390, in Canada 10953456). See
Engine Coolant on page 10‑18.
High Voltage Battery Cooling System Premix DEX-COOL (GM Part No. 12378390, in Canada 10953456).
Power Electronics Cooling System Premix DEX-COOL (GM Part No. 12378390, in Canada 10953456).
Hydraulic Brake System
DOT 3 Hydraulic Brake Fluid (GM Part No. 88863461, in
Canada 88863462).
Windshield Washer Optikleen
®
Washer Solvent.
Parking Brake Cable Guides
Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC‐LB.