2005 BUICK PARK AVENUE Owner's Manual

Rear Compartment Fuse Block
Additional fuses are located in the fuse center under the
rear seat. The rear seat cushion must be removed to
access the fuses. See “Removing the Rear Seat
Cushion” following for more information.
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
Fuses Usage
7 Crank
8 Accessory Outlet
9 Powertrain 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 Module
19 Rear Door Module
20 Trunk Release
21 Spare
22Instrument Panel Ashtray
Cigarette Lighter
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Fuses Usage
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
Removing the Rear Seat Cushion
Notice:If, when removing or reinstalling the rear
seat, you do not do it carefully, you could damage
the fuse center. Avoid contact between the rear seat
and the fuse center whenever you remove or
reinstall the rear seat.
To remove the rear seat cushion, do the following:
1. Pull up on the front of the cushion to release the
front hooks.
2. Pull the cushion up and out toward the front of
the vehicle.To reinstall the rear seat cushion, do the following:
{CAUTION:
A safety belt that is not properly routed
through the seat cushion or is twisted will not
provide the protection needed in a crash. If the
safety belt has not been routed through the
seat cushion at all, it will not be there to work
for the next passenger. The person sitting in
that position could be badly injured. After
reinstalling the seat cushion, always check to
be sure that the safety belts are properly
routed and are not twisted.
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1. Buckle the center passenger position safety belt,
then route the safety belts through the proper slots
in the seat cushion. Do not 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.
5-99

Capacities and Specications
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.
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 ft lb 140Y
All capacities are approximate. When adding, be sure to ll to the appropriate level, as recommended in
this manual.
Engine VIN Code Transaxle Spark Plug Gap
3800 3.8L V6 K Automatic 0.060 inch (0.152 cm)
3800 3.8L V6
Supercharged1 Automatic 0.060 inch (0.152 cm)
5-100

Normal Maintenance Replacement Parts
Replacement parts identied below by name, part number, or specication can be obtained from your GM dealer.
Normal Maintenance Replacement Parts
Part GM Part NumberACDelco®Part
Number
Engine Air Cleaner/Filter 25096932 A1096C
Engine Oil Filter 25010792 PF47
Fuel Filter 25121293 GF627
Passenger Compartment Air Filter 52472175 —
Spark Plugs 12568387 41–101
Windshield Wiper Blades (Hook Type)
22.0 inches (56.0 cm)12463075 —
5-101

Engine Drive Belt Routing
3.8L V6 Engine3.8L V6 Supercharged Engine
5-102

Maintenance Schedule......................................6-2
Introduction...................................................6-2
Maintenance Requirements..............................6-2
Your Vehicle and the Environment....................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...........................6-5
Short Trip/City Scheduled Maintenance..............6-6
Long Trip/Highway Scheduled Maintenance......6-13
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 Maintenance Inspections.........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...........................6-27
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.
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.
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 ination 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.
6-2