
Seats and Restraint Systems........................... 1-1
Front Seats
............................................... 1-2
Safety Belts
.............................................. 1-6
Child Restraints
.......................................1-27
Air Bag Systems
......................................1-49
Restraint System Check
............................1-58
Features and Controls..................................... 2-1
Keys
........................................................ 2-3
Doors and Locks
......................................2-10
Windows
.................................................2-17
Theft-Deterrent Systems
............................2-19
Starting and Operating Your Vehicle
...........2-23
Mirrors
....................................................2-36
OnStar
®System
......................................2-41
HomeLink®Transmitter
.............................2-43
Storage Areas
.........................................2-47
Sunroof
..................................................2-50
Vehicle Personalization
.............................2-51
Instrument Panel............................................. 3-1
Instrument Panel Overview
.......................... 3-2
Climate Controls
......................................3-24
Warning Lights, Gages and Indicators
.........3-32
Driver Information Center (DIC)
..................3-47
Audio System(s)
.......................................3-57Driving Your Vehicle....................................... 4-1
Your Driving, the Road, and Your Vehicle
..... 4-2
Towing
...................................................4-31
Service and Appearance Care.......................... 5-1
Service
..................................................... 5-3
Fuel
......................................................... 5-4
Checking Things Under the Hood
...............5-10
Headlamp Aiming
.....................................5-49
Bulb Replacement
....................................5-51
Windshield Wiper Blade Replacement
.........5-61
Tires
......................................................5-62
Appearance Care
.....................................5-90
Vehicle Identi cation
.................................5-98
Electrical System
......................................5-98
Capacities and Speci cations
...................5-108
Normal Maintenance Replacement Parts
......5-109
Maintenance Schedule..................................... 6-1
Maintenance Schedule
................................ 6-2
Customer Assistance Information.................... 7-1
Customer Assistance Information
.................. 7-2
Reporting Safety Defects
...........................7-10
Index.................................................................1
2004 Buick Park Avenue Owner ManualM

Service............................................................5-3
Doing Your Own Service Work.........................5-3
Adding Equipment to the Outside of
Your Vehicle..............................................5-4
Fuel................................................................5-4
Gasoline Octane............................................5-4
Gasoline Speci cations....................................5-5
California Fuel...............................................5-5
Additives.......................................................5-5
Fuels in Foreign Countries...............................5-6
Filling Your Tank............................................5-6
Filling a Portable Fuel Container.......................5-9
Checking Things Under the Hood....................5-10
Hood Release..............................................5-10
Engine Compartment Overview.......................5-12
Engine Oil...................................................5-14
Supercharger Oil..........................................5-19
Engine Air Cleaner/Filter................................5-20
Automatic Transaxle Fluid..............................5-23
Engine Coolant.............................................5-25Radiator Pressure Cap..................................5-27
Engine Overheating.......................................5-28
Cooling System............................................5-30
Power Steering Fluid.....................................5-38
Windshield Washer Fluid................................5-39
Brakes........................................................5-40
Battery........................................................5-43
Jump Starting...............................................5-44
Headlamp Aiming...........................................5-49
Bulb Replacement..........................................5-51
Halogen Bulbs..............................................5-51
Headlamps..................................................5-51
Front Turn Signal Lamps...............................5-54
Rear Turn Signal, Stoplamps and
Back-Up Lamps........................................5-54
Rear Quarter Panel Turn Signal and
Stoplamps................................................5-58
Replacement Bulbs.......................................5-60
Windshield Wiper Blade Replacement..............5-61
Section 5 Service and Appearance Care
5-1

Bulb Replacement
For the type of bulb to use, seeReplacement Bulbs on
page 5-60.
For any bulb changing procedure not listed in this
section, contact your dealer.
Halogen Bulbs
{CAUTION:
Halogen bulbs have pressurized gas inside and
can burst if you drop or scratch the bulb. You or
others could be injured. Be sure to read and
follow the instructions on the bulb package.
Headlamps
Each headlamp is attached by thumb screws.
5-51

7. Remove the bulb
socket assembly by
turning the socket
one-quarter turn
counterclockwise and
pulling it out.
8. Once the socket has
been removed, pull the
bulb straight out to
remove it from
the socket.9. Replace it with a new bulb.
10. Reverse Steps 1 through 8 to reinstall the taillamp
assembly.
Replacement Bulbs
Lamp Bulb Number
High Beam Headlamp 9005
Low Beam Headlamp 9006
Parking/Turn, Front 3057
Back-Up 3057
Tail/Turn 194
Tail/Stop 3057
For any bulb not listed here contact your dealer.
5-60

B
Backing Up....................................................4-43
Battery..........................................................5-43
Battery Replacement......................................... 2-9
Battery Rundown Protection.............................3-18
Battery Warning Light......................................3-37
Before Leaving on a Long Trip.........................4-23
Body Lubrication Service..................................6-20
Brake
Parking......................................................2-29
System Inspection.......................................6-24
System Warning Light..................................3-38
Brake Fluid....................................................5-40
Brake Wear...................................................5-42
Brakes..........................................................5-40
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-9
Break-In, New Vehicle.....................................2-23
Bulb Replacement...........................................5-51
Front Turn Signal Lamps..............................5-54
Halogen Bulbs............................................5-51
Headlamp Aiming........................................5-49
Headlamps.................................................5-51
Rear Quarter Panel Turn Signal and
Stoplamps...............................................5-58
Rear Turn Signal, Stoplamps and
Back-Up Lamps.......................................5-54
Replacement Bulbs......................................5-60
Buying New Tires...........................................5-74
C
California Fuel.................................................. 5-5
Canada – Customer Assistance.......................... 7-4
Canadian Owners................................................ ii
Canadian Roadside Assistance........................... 7-7
Capacities and Speci cations..........................5-108
Carbon Monoxide...................4-26, 4-38, 2-15, 2-34
Care of
Safety Belts................................................5-93
Your Cassette Tape Player............................3-79
Your CD Player...........................................3-80
Your CDs ...................................................3-80
Care of the HUD............................................3-20
Cassette Tape Messages.........................3-63, 3-68
Cassette Tape Player Service...........................6-19
CD Changer Errors.........................................3-74
CD Changer, Trunk-Mounted............................3-71
CD Messages................................................3-70
Center Console Storage Area...........................2-48
Center Passenger Position, Safety Belts.............1-19
Chains, Tires..................................................5-78
Check
Engine Light...............................................3-41
Tire Pressure System...................................5-70
Checking Coolant............................................5-26
Checking Engine Oil........................................5-14
Checking Things Under the Hood......................5-10
Checking Your Restraint Systems......................1-58
2

Fuel (cont.)
Fuels in Foreign Countries.............................. 5-6
Gage.........................................................3-46
Gasoline Octane........................................... 5-4
Gasoline Speci cations.................................. 5-5
System Inspection.......................................6-24
FUEL INFO (Information).................................3-48
Fuses
Fuses and Circuit Breakers...........................5-99
G
Gage
Engine Coolant Temperature.........................3-40
Fuel..........................................................3-46
Speedometer..............................................3-35
Tachometer.................................................3-35
GAGE INFO (Information)................................3-48
Garage Door Opener.......................................2-43
Garage Door Opener Compartment...................2-47
Gasoline
Octane........................................................ 5-4
Speci cations............................................... 5-5
Gate Operator and Canadian Programming........2-45
Glove Box.....................................................2-47
Glove Box Lamp.............................................3-18
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-4
Head Restraints............................................... 1-5
Headlamp
Aiming.......................................................5-49
Headlamp High/Low-Beam Changer.................... 3-7
Headlamps....................................................5-51
Bulb Replacement.......................................5-51
Front Turn Signal Lamps..............................5-54
Halogen Bulbs............................................5-51
Headlamps On Reminder.................................3-13
Head-Up Display (HUD)...................................3-18
Heated Backlite Antenna..................................3-80
Heated Seats................................................... 1-3
Highway Hypnosis...........................................4-24
Hill and Mountain Roads..................................4-24
Hitches..........................................................4-41
HomeLink
®Transmitter....................................2-43
HomeLink®Transmitter, Programming................2-43
Hood
Checking Things Under................................5-10
Release.....................................................5-10
Horn............................................................... 3-5
How the System Works...................................3-21
How to Add Coolant to the Coolant
Recovery Tank............................................5-32
How to Add Coolant to the Radiator..................5-34
How to Add Fluid............................................5-25
6

Power Steering...............................................4-11
Programmable Automatic Door Locks.........2-12, 3-54
Programming the HomeLink
®Transmitter...........2-43
Q
Questions and Answers About Safety Belts.........1-10
R
Radiator Pressure Cap....................................5-27
Radios..........................................................3-57
Care of Your Cassette Tape Player................3-79
Care of Your CD Player...............................3-80
Care of Your CDs........................................3-80
Personal Choice Radio Controls....................3-75
Radio with Cassette.....................................3-58
Radio with Cassette and CD.........................3-63
Setting the Time..........................................3-58
Theft-Deterrent............................................3-75
Trunk-Mounted CD Changer..........................3-71
Understanding Reception..............................3-78
Rainsense™ II Wipers....................................... 3-8
Rear Compartment Fuse Block........................5-106
Rear Door Security Locks................................2-14
Rear Quarter Panel Turn Signal and
Stoplamps..................................................5-58Rear Reading Lamps......................................3-17
Rear Safety Belt Comfort Guides......................1-24
Rear Seat Armrest..........................................2-49
Rear Seat Outside Passenger Positions.............1-21
Rear Seat Pass Through.................................2-49
Rear Seat Passengers, Safety Belts..................1-21
Rear Storage Area..........................................2-49
Rear Turn Signal, Stoplamps and
Back-Up Lamps...........................................5-54
Rear Window Defogger....................................3-27
Rearview Mirror, Automatic Dimming..................2-36
Rearview Mirror, Automatic Dimming with
Compass....................................................2-37
Rearview Mirrors.............................................2-36
Reclining Seatbacks.......................................... 1-4
Recreational Vehicle Towing.............................4-31
Remote Keyless Entry System............................ 2-5
Remote Keyless Entry System, Operation............ 2-6
Remote Trunk Release....................................2-15
Remote Trunk Release Lockout........................2-16
Removing the Flat Tire and Installing the
Spare Tire..................................................5-82
Removing the Spare Tire and Tools...................5-81
Replacement Bulbs.........................................5-60
Replacing Brake System Parts..........................5-43
Replacing Restraint System Parts After
a Crash.....................................................1-59
11