GMC LYRIQ 2023 Owner's Manual page 380

Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name or specification, including fluids or lubricants not
listed here, can be obtained from your dealer.
Usage
Electric Drive Unit
Hydraulic Brake System
Key Lock Cylinders, Hood and
Liftgate Hinges
Vehicle Coolant Circuits
Windshield Washer
DEXRON ULV Automatic Transmission Fluid.
GM approved DOT 4 Hydraulic Brake Fluid.
Multi-Purpose Lubricant, Superlube. See your dealer.
Use only ACDelco Premix (50/50 mixture of de-ionized water
and DEX-COOL Coolant). See your dealer.
Automotive windshield washer fluid that meets regional freeze
protection requirements.
Service and Maintenance
Fluid/Lubricant
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