Engine Oil - Pontiac 2004 GTO Owner's Manual

A. Engine Compartment Fuse Block. See "Engine
Compartment Fuse Block" under Fuses and Circuit
Breakers on page 5-87.
B. Windshield Washer Fluid Reservoir. See Windshield
Washer Fluid on page 5-37.
C. Battery. See Battery on page 5-41.
D. Engine Oil Dipstick. See Engine Oil on page 5-13.
E. Engine Oil Fill Cap. See Engine Oil on page 5-13.
F. Automatic Transmission Dipstick (If Equipped).
See Automatic Transmission Fluid on page 5-19.
G. Power Steering Fluid Reservoir. See Power Steering
Fluid on page 5-36.
H. Brake Fluid Reservoir. See Brakes on page 5-38.
I. Hydraulic Clutch Fluid Reservoir (If Equipped). See
Hydraulic Clutch on page 5-24.
J. Engine Coolant Reservoir. See Engine Coolant on
page 5-25.
K. Engine Air Cleaner/Filter. See Engine Air
Cleaner/Filter on page 5-18.

Engine Oil

If the Check Oil message appears on the trip computer
display, it means you need to check your engine oil
level right away.
For more information, see Oil Pressure Light on
page 3-32.
You should check your engine oil level regularly; this is
an added reminder.
Checking Engine Oil
It is a good idea to check your engine oil every time you
get fuel. In order to get an accurate reading, the oil
must be warm and the vehicle must be on level ground.
The engine oil dipstick handle is a yellow loop. See
Engine Compartment Overview on page 5-12 for
the location of the engine oil dipstick.
Turn off the engine and give the oil several minutes to
drain back into the oil pan. If you don't, the oil
dipstick might not show the actual level.
Pull out the dipstick and clean it with a paper towel or
cloth, then push it back in all the way. Remove it again,
keeping the tip down, and check the level.
5-13