2005 CADILLAC STS hood release

To access the passenger compartment air lter, do the
following:
1. Pull back the rubber hood seal from the edge of the
leaf screen vent cover.
2. Remove the three fasteners that hold the lter
access cover in place and slide the cover off.
3. To access the lter, remove the black plastic water
deector by lifting the outboard edge of the deector
to release the retention tab.
4. Lift the inboard edge of the deector to release the
retention tab.
5. Lift and slide the water deector toward the inboard
side and remove it.6. The top edge of the lter should be visible. Reach
in and lift the lter out, pulling upward and toward
the front of the vehicle.
7. Insert the new air lter by sliding it back into place.
Make sure the arrow on the lter is pointing toward
the passenger compartment.
Reverse steps 1 through 3 to reinstall the water
deector, lter cover and the hood seal.
3-59

Service............................................................5-3
Doing Your Own Service Work.........................5-4
Adding Equipment to the Outside
of Your Vehicle...........................................5-4
Fuel................................................................5-5
Gasoline Octane............................................5-5
Gasoline Specications....................................5-5
California Fuel...............................................5-6
Additives.......................................................5-6
Fuels in Foreign Countries...............................5-7
Filling the Tank..............................................5-8
Filling a Portable Fuel Container.....................5-10
Checking Things Under the Hood....................5-10
Hood Release..............................................5-11
Engine Compartment Overview.......................5-12
Engine Oil...................................................5-15
Engine Oil Life System..................................5-18
Engine Air Cleaner/Filter................................5-20
Automatic Transmission Fluid.........................5-21
Engine Coolant.............................................5-22
Coolant Surge Tank Pressure Cap..................5-24
Engine Overheating.......................................5-24
Overheated Engine Protection
Operating Mode........................................5-26
Cooling System............................................5-27Power Steering Fluid.....................................5-31
Windshield Washer Fluid................................5-32
Brakes........................................................5-34
Battery........................................................5-37
Jump Starting...............................................5-38
All-Wheel Drive..............................................5-42
Rear Axle.......................................................5-44
Front Axle......................................................5-45
Headlamp Aiming...........................................5-46
Bulb Replacement..........................................5-48
High Intensity Discharge (HID) Lighting............5-48
Halogen Bulbs..............................................5-49
Front Turn Signal Lamps...............................5-49
Sidemarker Lamps........................................5-50
Back-Up Lamps............................................5-50
Replacement Bulbs.......................................5-51
Windshield Replacement.................................5-51
Windshield Wiper Blade Replacement..............5-51
Tires..............................................................5-53
Tire Sidewall Labelling...................................5-54
Tire Terminology and Denitions.....................5-58
Ination - Tire Pressure.................................5-60
Tire Pressure Monitor System.........................5-62
Section 5 Service and Appearance Care
5-1

Hood Release
To open the hood, do the following:
1. Pull the hood release lever inside the vehicle. It is
located on the lower left side of the instrument panel.2. Then go to the front of the vehicle and nd the
secondary hood release lever. The lever is
located under the front edge of the grille near the
center. Move the release lever to the side and raise
the hood.
Before closing the hood, be sure all the ller caps are
on properly. Then pull the hood down and close it rmly.
5-11

To adjust the vertical aim do the following:
1. Open the hood. SeeHood Release on page 5-11.
2. Find the aim dot on the lens of the low-beam
headlamp.
3. Measure the distance from the ground to the aim dot
on the low-beam headlamp. Record the distance.
4. At the wall or other at surface, measure from the
ground upward the recorded distance from Step 2
and mark it.
5. Draw or tape a horizontal line the width of the
vehicle at the wall or other at surface where it
was marked it Step 4.Notice:Do not cover a headlamp to improve beam
cut-off when aiming. Covering a headlamp may
cause excessive heat build-up which may cause
damage to the headlamp.
6. Turn on the low-beam headlamps and place a
piece of cardboard or equivalent in front of the
headlamp not being aimed. This should allow only
the beam of light from the headlamp being
aimed to be seen on the at surface.
7. Locate the vertical headlamp aiming screws, which
are under the hood near each headlamp assembly.
The adjustment screw can be turned witha6mmhex
socket.
Passenger’s Side Shown
5-47

Usage Fluid/Lubricant
Key Lock
CylindersMulti-Purpose Lubricant,
Superlube (GM Part No. U.S.
12346241, in Canada 10953474).
Rear AxleSAE 75W-90 Synthetic
Axle Lubricant (GM Part
No. U.S. 12378261, in
Canada 10953455) meeting
GM Specication 9986115.
Front Axle
(All-Wheel
Drive)SAE 75W-90 Synthetic
Axle Lubricant (GM Part
No. U.S. 12378261, in
Canada 10953455) meeting
GM Specication 9986115.
Transfer Case
(All-Wheel
Drive)DEXRON
®-III Automatic
Transmission Fluid. Look for
“Approved for the H-Specication”
on the label.
Usage Fluid/Lubricant
Hood Latch
Assembly,
Secondary
Latch, Pivots,
Spring Anchor
and Release
PawlLubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293,
in Canada 992723) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Hood and Door
HingesMulti-Purpose Lubricant,
Superlube (GM Part
No. U.S. 12346241, in
Canada 10953474).
Weatherstrip
ConditioningDielectric Silicone Grease
(GM Part No. U.S. 12345579,
in Canada 992887).
6-13

Glove Box.....................................................2-45
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-6
Headlamp
Aiming.......................................................5-46
Headlamp Wiring............................................5-95
Headlamps....................................................3-33
Bulb Replacement.......................................5-48
Daytime Running Lamps...............................3-38
Flash-to-Pass..............................................3-13
Front Turn Signal Lamps..............................5-49
Halogen Bulbs............................................5-49
High Intensity Discharge (HID) Lighting...........5-48
High/Low Beam Changer................................ 3-9
On Reminder..............................................3-37
Sidemarker Lamps.......................................5-50
Washer......................................................3-16
Wiper Activated...........................................3-37
Head-Up Display (HUD)...................................3-43
Heated Seats............................................1-3, 1-4
Heated Steering Wheel..................................... 3-7
Heater...........................................................3-50
Highbeam On Light.........................................3-72Highway Hypnosis...........................................4-23
Hill and Mountain Roads..................................4-23
HomeLink
®Wireless Control System.................2-41
HomeLink®Wireless Control System Operation . . . 2-42
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-13
I
Ignition Positions.............................................2-22
Inadvertent Power Battery Saver.......................3-43
Infants and Young Children, Restraints...............1-28
Ination -- Tire Pressure..................................5-60
Instrument Panel
Overview..................................................... 3-4
Instrument Panel (I/P)
Brightness..................................................3-41
Cluster.......................................................3-61
J
Jump Starting.................................................5-38
6