2004 CADILLAC SEVILLE low beam

Headlamp Horizontal Aiming
Turn the horizontal aiming
screw (A) until the
indicator (B) is lined up
with zero.
Once the horizontal aim is adjusted, then adjust the
vertical aim.
Headlamp Vertical Aiming
Notice:Horizontal aiming must be performed
before making any adjustments to the vertical aim.
Adjusting the vertical aim first will result in an
incorrect headlamp aim.
1. Find the aim dot on the lens of the low
beam lamps.
2. Measure the distance from the ground to the aim
dot on each low beam lamp. Record this distance.
5-51

3. At the wall or other flat surface, measure from the
ground upward the recorded distance from Step 2
and draw or tape a horizontal line the width of
the vehicle.
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.4. 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 flat surface.
5-52

5. Turn the vertical aiming screw (C) until the
headlamp beam is aimed to the horizontal tape line.
The top edge of the cut-off should be positioned
at the bottom edge of the horizontal tape line.
6. Repeat Steps 4 and 5
for the opposite
headlamp.
Bulb Replacement
For the proper type of replacement bulb, see
Replacement Bulbs on page 5-59.
For any bulb changing procedure not listed in this
section, contact your dealer.
High Intensity Discharge (HID)
Lighting
{CAUTION:
The low beam high intensity discharge lighting
system operates at a very high voltage. If you
try to service any of the system components,
you could be seriously injured. Have your
dealer or a qualified technician service them.
Your vehicle may have HID headlamps. After your
vehicle’s HID headlamp bulb has been replaced, you
may notice that the beam is a slightly different
shade than it was originally. This is normal.
5-53

5. To replace the low-beam bulb, first remove the
rubber housing cover on the rear of the lamp.6. Then, turn the bulb socket counterclockwise to
unlock the socket from the lamp housing.
5-55

9. After reinstalling the bulb and socket, reinstall the
rubber cover. Make sure it fully covers the
headlamp socket.
10. To replace the high-beam bulb, turn the bulb socket
counterclockwise to unlock the socket from the
lamp housing. Follow the instructions in
Step 6 through 8 to install the new bulb.
11. Reinstall the upper filler panel by inserting the
grommets, along with the screws, back into
the holes.Front Turn Signal Lamps
1. The turn signal lamps are located on the outboard
side of the headlamps. To access, remove the
headlamp. See Steps 1, 2, 3, and 10 under
Headlamps on page 5-54.
2. Press the bulb socket tab and turn the bulb socket
counterclockwise to unlock the socket from the
lamp housing.
3. To remove the old bulb, grasp the socket firmly and
pull the bulb out.
4. Install the new bulb and reverse the steps to
reinstall the lamp housing.
5-57

7. Press the bulb socket tab and turn the socket
counterclockwise to remove it. To remove the
bulb, grasp the socket firmly and pull the bulb out.
Once you have replaced the burned-out bulb, reverse
the steps to reassemble the lamp assembly.
Replacement Bulbs
For any bulb not listed here contact your dealer.
Exterior Lamp Bulb Number
Front Turn Signal 2357NA
Headlamps, Composite
High Beam
Low Beam9005HB3
9006HB4
Rear Turn Signal 3057
Stop/Taillamp 3057
5-59

Fuses Usage
1 ALDL
2 Accessory
3 Windshield Wipers
4 Not Used
5 Headlamp Low Beam Left
6 Headlamp Low Beam Right
7 Instrument Panel
8 Powertrain Control Module Battery
9 Headlamp High Beam Right
10 Headlamp High Beam Left
11 Ignition 1
Fuses Usage
12 Fog Lamps
13 Transmission
14 Cruise Control
15 Coil MDL
16 Injector Bank #2
17 Not Used
18 Not Used
19 Powertrain Control Module Ignition
20 Oxygen Sensor
21 Injector Bank #1
22 Auxiliary Power, (Cltr2)
23 Cigar Lighter
24 Daytime Running Lamps
25 Horn
26 Air Conditioner Clutch
Relays Usage
27 Headlamp High Beam
28 Headlamp Low Beam
29 Fog Lamps
30 Daytime Running Lamps
31 Horn
32 Air Conditioner Clutch
5-98

H
Hazard Warning Flashers................................... 3-6
Headlamp
Aiming.......................................................5-49
Horizontal Aiming.........................................5-51
Vertical Aiming............................................5-51
Headlamp High/Low-Beam Changer...................3-10
Headlamp Wiring............................................5-96
Headlamps....................................................5-54
Bulb Replacement.......................................5-53
Front Turn Signal Lamps..............................5-57
Halogen Bulbs............................................5-54
High Intensity Discharge (HID) Lighting...........5-53
Heated Seats................................................... 1-3
Highway Hypnosis...........................................4-22
Hill and Mountain Roads..................................4-22
Hitches..........................................................4-40
HomeLink
®Transmitter....................................2-44
HomeLink®Transmitter, Programming................2-45
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-7
Horn Sounds at Lock......................................3-68
How the System Works...................................3-25
How to Add Coolant to the Coolant
Surge Tank.................................................5-31
How to Add Fluid............................................5-23How to Check........................................5-21, 5-69
How to Check Power Steering Fluid..................5-36
How to Reset the Transaxle Fluid Change
Indicator.....................................................5-23
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-11
Hydroplaning..................................................4-18
I
If No Steam Is Coming From Your Engine..........5-28
If Steam Is Coming From Your Engine...............5-27
If the Light Is Flashing.....................................3-47
If the Light Is On Steady.................................3-47
If You Are Caught in a Blizzard.........................4-26
If You Are Stuck in Sand, Mud, Ice
or Snow.....................................................4-28
If You Do Decide To Pull A Trailer.....................4-38
Ignition Positions.............................................2-25
Inadvertent Power Battery Saver.......................3-24
Infants and Young Children, Restraints...............1-25
Inflation - Tire Pressure...................................5-68
Instrument Panel
Cluster.......................................................3-38
Overview..................................................... 3-4
Instrument Panel Brightness.............................3-22
Interior Lamps................................................3-22
Interior Lamps Control.....................................3-22
7