GMC 2018 Terrain Owner's Manual page 295

294 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Usage
Automatic Transmission
Engine Coolant
Engine Oil
Hood and Door Hinges
Hydraulic Brake System
Power Liftgate Actuator Ball Joint,
Hood Latch Assembly, Secondary
Latch, Pivots, Spring Anchor, and
Release Pawl
Transfer Case (All-Wheel Drive)
Weatherstrip Conditioning
Windshield Washer
DEXRON-VI Automatic Transmission Fluid.
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Cooling System 0 230.
Engine oil meeting the dexos1 specification of the proper SAE viscosity
grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil
0 225.
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241).
DOT 3 Hydraulic Brake Fluid.
Lubriplate Lubricant Aerosol (GM Part No. 89021668) or lubricant meeting
requirements of NLGI #2, Category LB or GC-LB.
Transfer Case Fluid. See your dealer.
Weatherstrip Lubricant or Dielectric Silicone Grease (GM Part No.
12345579).
Automotive windshield washer fluid that meets regional freeze protection
requirements.
Fluid/Lubricant