Cadillac 2010 CTS Sport Sedan Owner's Manual page 309

A. Windshield Washer Fluid
Reservoir. See
.
B.
.
C. Remote Positive (+) Terminal.
See
.
D. Remote Negative ( ) Terminal.
See
.
E. Engine Oil Fill Cap (Out of
View). See
.
F. Engine Oil Dipstick. See
.
G. Passenger Compartment
Air Filter. See
.
H. Intercooler System Pressure
Cap. See
.
I. Engine Cooling Fans. See
or
J. Hydraulic Clutch Reservoir
or
(If Equipped) (Not Shown).
See
.
K. Brake Master Cylinder
Reservoir. See
.
L. Engine Coolant Surge Tank and
Pressure Cap. See
M. Power Steering Fluid Reservoir
(Under Engine Cover). See
.
N.
.
.
.
To remove:
1. Remove the oil fill cap (A).
2. Raise the right front corner of
engine cover (B) to release from
the ball stud.
3. Pull the engine cover (B) forward
to slide the rear tabs (C) out from
under the retainers.