2003 BUICK PARK AVENUE Owner's Manual

1. Buckle the center passenger position safety belt,
then route the safety belts through the proper slots
in the seat cushion. Don't let the safety belts get
twisted.2. Slide the rear of the cushion up and under the
seatback so the rear locating guides hook into
the wire loops on the back frame.
3. With the seat cushion lowered, push rearward and
then press down on the seat cushion until the
spring locks on both ends engage.
4. Check to make sure the safety belts are properly
routed and that no portion of any safety belt is
trapped under the seat. Also make sure the seat
cushion is secured.
5-93

Rear Compartment Fuse Block
Additional fuses are located in the fuse center under the
rear seat.
Relays Usage
1 Heated Backlite
2 Retained Accessory Power (RAP)
3 Trunk Release
4 Electronic Level Control
Circuit
BreakersUsage
5 Power Seat
6Electronic Level Control Sensor,
Electronic Level Control Compressor
Solenoid
5-94

Fuses Usage
7 Crank
8 Accessory Outlet
9Powertrain Control Module for
Cruise
10 SBM Module
11 Radio/Phone
12 Sunroof
13 Spare
14 CD Changer, Phone
15 Driver Door Module
16 Spare
17 Radio
18 Driver Heated Seat ModuleFuses Usage
19 Rear Door Module
20 Trunk Release
21 Spare
22Instrument Panel Ashtray Cigarette
Lighter
23 Spare
24 Spare
25 Passenger Heated Seat Module
26 Right Rear Cig Lighter
27 Left Rear Cig Lighter
28RFA, Memory Seat Module, Driver
Seat Switch
5-95

Capacities and Speci®cations
The following approximate capacities are given in English and metric conversions. Please refer toPart D:
Recommended Fluids and Lubricants on page 6-25for more information.
Capacities
ApplicationCapacities
English Metric
Air Conditioning Refrigerant R134a 2.2 lbs 1.0 kg
Automatic Transaxle 7.4 quarts 7.0 L
Engine Cooling System 13.0 quarts 12.3 L
Engine Oil with Filter 4.5 quarts 4.3 L
Fuel Tank 18.5 gallons 70.0 L
Wheel Nut Torque 100 lb-ft 140Y
All capacities are approximate. When adding, be sure to ®ll to the appropriate level, as recommended in this
manual.
Engine VIN Code Transmission Firing Order Spark Plug Gap
3800 3.8L V6 (L36) K Automatic 1-6-5-4-3-2 0.060 inch (0.152 cm)
3800 3.8L V6
Supercharged Engine
(L67)1 Automatic 1-6-5-4-3-2 0.060 inch (0.152 cm)
5-96

Normal Maintenance Replacement Parts
Normal Maintenance Replacement Parts
Part Number
Engine Air Cleaner/Filter A±1096C*
Engine Oil FilterPF-47*
Fuel FilterGF-627*
Passenger Compartment Air Filter GM Part # 52472175
PCV Valve Kit for 3800 V6 Engine (L36) GM Part # 17113515
PCV Valve for 3800 V6 Supercharged Engine (L67) CV-892C*
Spark Plugs41±101*
Windshield Wiper Blades
TypeHook Style
Length22.0 inches (56.0 cm)
*ACDelco
žpart number
5-97

-NOTES
5-98

Maintenance Schedule......................................6-2
Introduction...................................................6-2
Your Vehicle and the Environment....................6-2
Maintenance Requirements..............................6-2
How This Section is Organized.........................6-3
Part A: Scheduled Maintenance Services...........6-4
Using Your Maintenance Schedule....................6-4
Selecting the Right Schedule...........................6-4
Short Trip/City Scheduled Maintenance..............6-6
Long Trip/Highway Scheduled Maintenance......6-14
Part B: Owner Checks and Services................6-19
At Each Fuel Fill..........................................6-19
At Least Once a Month.................................6-19At Least Twice a Year...................................6-20
At Least Once a Year...................................6-20
Part C: Periodic MaintenanceInspections.........6-23
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection............................6-23
Exhaust System Inspection............................6-23
Fuel System Inspection..................................6-23
Engine Cooling System Inspection...................6-24
Throttle System Inspection.............................6-24
Brake System Inspection................................6-24
Part D: Recommended Fluids and Lubricants. . . .6-25
Part E: Maintenance Record...........................6-26
Section 6 Maintenance Schedule
6-1

Maintenance Schedule
Introduction
Important: Keep engine oil at the proper level and
change as recommended.
Have you purchased the GM Protection Plan? The Plan
supplements your new vehicle warranties. See your
Warranty and Owner Assistance booklet or your dealer
for details.
Your Vehicle and the Environment
Proper vehicle maintenance not only helps to keep your
vehicle in good working condition, but also helps the
environment. Improper vehicle maintenance can
even affect the quality of the air we breathe. Improper
¯uid levels or the wrong tire in¯ation can increase
the level of emissions from your vehicle. To help protect
our environment, and to keep your vehicle in good
condition, be sure to maintain your vehicle properly.
Maintenance Requirements
Maintenance intervals, checks, inspections and
recommended ¯uids and lubricants as prescribed in this
manual are necessary to keep your vehicle in good
working condition. Any damage caused by failure
to follow scheduled maintenance may not be covered by
warranty.
6-2