Page 1 of 410

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
Page 11 of 410

Head Restraints
Adjust your head restraint so that the top of the restraint
is closest to the top of your head. This position
reduces the chance of a neck injury in a crash.
On some models, the head restraints tilt forward and
rearward also.Adjust the head restraint by grasping the top of the
restraint and moving it forward or rearward until it is in
the desired position.
Some rear seats have adjustable head restraints.
Slide an adjustable head restraint up or down so that
the top of the restraint is closest to the top of your head.
This position reduces the chance of a neck injury in
a crash.
On some models, the rear seat head restraints tilt
forward and rearward also.
There are three different positions for the rear seat head
restraints. Adjust a rear head restraint by grasping the
top of the restraint and moving it forward the way
you want it to go until you hear a click. It will then be
locked into position until you need to move it again.
Pulling it forward past the last position will allow
the head restraint to return to its full rear position.
1-5
Page 18 of 410

How to Wear Safety Belts Properly
This part is only for people of adult size.
Be aware that there are special things to know about
safety belts and children. And there are different
rules for smaller children and babies. If a child will be
riding in your vehicle, seeOlder Children on page 1-27
orInfants and Young Children on page 1-30. Follow
those rules for everyone’s protection.
First, you’ll want to know which restraint systems your
vehicle has.
We’ll start with the driver position.
Driver Position
This part describes the driver’s restraint system.
Lap-Shoulder Belt
The driver has a lap-shoulder belt. Here’s how to wear it
properly.
1. Close and lock the door.
2. Adjust the seat so you can sit up straight. To see
how, see “Seats” in the Index.3. Pick up the latch plate and pull the belt across you.
Don’t let it get twisted.
The lap-shoulder belt may lock if you pull the belt
across you very quickly. If this happens, let the belt
go back slightly to unlock it. Then pull the belt
across you more slowly.
1-12
Page 19 of 410
4. Push the latch plate into the buckle until it clicks.
Pull up on the latch plate to make sure it is secure.
If the belt isn’t long enough, seeSafety Belt
Extender on page 1-26.
Make sure the release button on the buckle is
positioned so you would be able to unbuckle the
safety belt quickly if you ever had to.The lap part of the belt should be worn low and snug on
the hips, just touching the thighs. In a crash, this applies
force to the strong pelvic bones. And you’d be less likely
to slide under the lap belt. If you slid under it, the belt
would apply force at your abdomen. This could cause
serious or even fatal injuries. The shoulder belt should go
over the shoulder and across the chest. These parts of
the body are best able to take belt restraining forces.
The safety belt locks if there’s a sudden stop or crash,
or if you pull the safety belt very quickly out of the
retractor.
1-13
Page 25 of 410

The best way to protect the fetus is to protect the
mother. When a safety belt is worn properly, it’s more
likely that the fetus won’t be hurt in a crash. For
pregnant women, as for anyone, the key to making
safety belts effective is wearing them properly.
Right Front Passenger Position
To learn how to wear the right front passenger’s safety
belt properly, seeDriver Position on page 1-12.
The right front passenger’s safety belt works the same
way as the driver’s safety belt – except for one thing.
If you ever pull the lap portion of the belt out all the way,
you will engage the child restraint locking feature.
If this happens, just let the belt go back all the way and
start again.
If your vehicle has a center passenger position,
be sure to use the correct buckle when buckling your
lap-shoulder belt. If you nd that the latch plate will not
go fully into the buckle, see if you are using the
buckle for the center passenger position.
Center Passenger Position
Lap Belt
If your vehicle has a front split seat and a rear bench
seat, someone can sit in the center positions.
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Page 27 of 410
Rear Seat Passengers
It’s very important for rear seat passengers to buckle
up! Accident statistics show that unbelted people in the
rear seat are hurt more often in crashes than those
who are wearing safety belts.
Rear passengers who aren’t safety belted can be
thrown out of the vehicle in a crash. And they can strike
others in the vehicle who are wearing safety belts.
Rear Seat Outside Passenger PositionsLap-Shoulder Belt
The positions next to the windows have lap-shoulder
belts. Here’s how to wear one properly.
1. Pick up the latch plate and pull the belt across you.
Don’t let it get twisted.
The shoulder belt may lock if you pull the belt
across you very quickly. If this happens, let the belt
go back slightly to unlock it. Then pull the belt
across you more slowly.
2. Push the latch plate into the buckle until it clicks.
1-21
Page 29 of 410
The lap part of the belt should be worn low and snug on
the hips, just touching the thighs. In a crash, this applies
force to the strong pelvic bones. And you’d be less likely
to slide under the lap belt. If you slid under it, the belt
would apply force at your abdomen. This could cause
serious or even fatal injuries. The shoulder belt should go
over the shoulder and across the chest. These parts of
the body are best able to take belt restraining forces.
The safety belt locks if there’s a sudden stop or a crash,
or if you pull the belt very quickly out of the retractor.
{CAUTION:
You can be seriously hurt if your shoulder belt
is too loose. In a crash, you would move
forward too much, which could increase injury.
The shoulder belt should t against your body.
To unlatch the belt, just push the button on the buckle.
1-23
Page 54 of 410
5. Pull the rest of the shoulder belt all the way out of
the retractor to set the lock.6. To tighten the belt, feed the lap belt back into the
retractor while you push down on the child restraint.
You may nd it helpful to use your knee to push
down on the child restraint as you tighten the belt.
7. Push and pull the child restraint in different
directions to be sure it is secure.
To remove the child restraint, just unbuckle the vehicle’s
safety belt and let it go back all the way. The safety
belt will move freely again and be ready to work for an
adult or larger child passenger.
1-48