Engine Oil - GMC 2012 Sierra Denali Owner's Manual

A. Engine Air Cleaner/Filter on
page 10 15.
B. Coolant Surge Tank and
Pressure Cap. See Cooling
System on page 10 16.
C. Remote Positive (+) Terminal.
See Jump Starting on
page 10 83.
D. Battery on page 10 28.
E. Remote Negative ( ) Terminal
(GND) (Out of View). See Jump
Starting on page 10 83.
F. Automatic Transmission
Dipstick (Out of View). See
Checking the Fluid Level
under Automatic Transmission
Fluid on page 10 11.
G. Engine Oil Fill Cap. See When
to Add Engine Oil under
Engine Oil on page 10 7.
H. Engine Oil Dipstick (Out of
View). See Checking Engine
Oil under Engine Oil on
page 10 7.
I. Engine Cooling Fan (Out of
View). See Cooling System on
page 10 16.
J. Power Steering Fluid Reservoir
(Out of View). See Power
Steering Fluid on page 10 24.
K. Brake Master Cylinder
Reservoir. See Brake Fluid
under Brake Fluid on
page 10 26.
L. Engine Compartment Fuse
Block on page 10 39.
M. Windshield Washer Fluid
Reservoir. See Adding Washer
Fluid under Washer Fluid on
page 10 24.
If the vehicle has a diesel engine
and/or an Allison Transmission, see
Engine Compartment Overview in
the Duramax diesel supplement for
more information.
Vehicle Care

Engine Oil

For diesel engine vehicles, see
Engine Oil in the Duramax Diesel
Supplement.
To ensure proper engine
performance and long life, careful
attention must be paid to engine oil.
Following these simple, but
important steps will help protect
your investment:
Always use engine oil approved
to the proper specification and of
the proper viscosity grade. See
Selecting the Right Engine Oil
in this section.
Check the engine oil level
regularly and maintain the
proper oil level. See Checking
Engine Oil and When to Add
Engine Oil in this section.
Change the engine oil at the
appropriate time. See Engine Oil
Life System on page 10 10.
Always dispose of engine oil
properly. See What to Do with
Used Oil in this section.
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