Cadillac 2003 CTS Owner's Manual page 422

Part D: Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name,
part number or specification may be obtained from
your dealer.
USAGE FLUID/LUBRICANT
Engine Oil Engine oil with the American
Petroleum Institute Certified for
Gasoline Engines starburst symbol
of the proper viscosity. To
determine the preferred viscosity
for your vehicle's engine, see
"Engine Oil" in the Index.
Engine Coolant 50/50 mixture of clean, drinkable
water and use only DEX
Coolant. See "Engine Coolant" in
the Index.
USAGE
Hydraulic Brake
System
Windshield
Washer Solvent
Hydraulic Clutch
System
Parking Brake
Cable Guides
R
-
COOL
Power Steering
System
FLUID/LUBRICANT
R
Delco Supreme 11 Brake Fluid
-
or equivalent DOT 3 brake fluid.
R
GM Optikleen Washer Solvent
or equivalent.
Hydraulic Clutch Fluid
(GM Part No. U.S. 12345347, in
Canada 10953517, or
-
equivalent DOT 3 brake fluid).
Chassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242, or equivalent)
or lubricant meeting requirements
of NLGI # 2, Category LB
-
or GC LB.
R
-
DEXRON III Automatic
Transmission Fluid.
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