2005 BUICK PARK AVENUE towing

96,000 Miles (160 000 km)
❑Change engine oil and lter (or every 3 months,
whichever occurs rst).An Emission Control Service.
(See footnote *.)
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-67for proper rotation pattern and additional
information.(See footnote @.) (See footnote +.)
99,000 Miles (165 000 km)
❑Change engine oil and lter (or every 3 months,
whichever occurs rst).An Emission Control Service.
(See footnote *.)
100,000 Miles (166 000 km)
❑Inspect spark plug wires.An Emission
Control Service.
❑Replace spark plugs.An Emission Control Service.
❑Change automatic transaxle uid and lter if the
vehicle is mainly driven under one or more of
these conditions:
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C)
or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police or
delivery service.❑If you have not used your vehicle under severe
service conditions listed previously and, therefore,
have not changed your automatic transaxle uid,
change both the uid and lter.
150,000 Miles (240 000 km)
❑Drain, ush and rell cooling system (or every
60 months since last service, whichever occurs rst).
SeeEngine Coolant on page 5-24for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test cooling system and
pressure cap.An Emission Control Service.
❑Inspect engine accessory drive belt.An Emission
Control Service.
Long Trip/Highway
Scheduled Maintenance
The services shown in this schedule up to 100,000 miles
(166 000 km) should be repeated after 100,000 miles
(166 000 km) at the same intervals for the life of
this vehicle. The services shown at 150,000 miles
(240 000 km) should be repeated at the same interval
after 150,000 miles (240 000 km) for the life of
this vehicle.
SeePart B: Owner Checks and Services on page 6-19
andPart C: Periodic Maintenance Inspections on
page 6-23.
6-13

45,000 Miles (75 000 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service. (See footnote *.)
❑Inspect engine air cleaner lter. SeeEngine Air
Cleaner/Filter on page 5-19for more information.An
Emission Control Service. (See footnote †.)
❑Replace passenger compartment air lter.
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-67for proper rotation pattern and additional
information.(See footnote @.) (See footnote +.)
50,000 Miles (83 000 km)
❑Change automatic transaxle uid and lter if the
vehicle is mainly driven under one or more of
these conditions:
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C)
or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police or
delivery service.
If you do not use your vehicle under any of these
conditions, change the uid and lter at 100,000 miles
(166 000 km).
52,500 Miles (87 500 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service. (See footnote *.)
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-67for proper rotation pattern and additional
information.(See footnote @.) (See footnote +.)
60,000 Miles (100 000 km)
❑Change engine oil and lter (or every 12 months,
whichever occurs rst).An Emission Control
Service. (See footnote *.)
❑Replace passenger compartment air lter.
❑For supercharged engines only: Check the
supercharger oil level and add the proper
supercharger oil as needed (or every 36 months,
whichever occurs rst). SeePart D: Recommended
Fluids and Lubricants on page 6-25.An Emission
Control Service. (See footnote †.)
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-67for proper rotation pattern and additional
information.(See footnote @.) (See footnote +.)
❑Replace engine air cleaner lter. SeeEngine Air
Cleaner/Filter on page 5-19for more information.
An Emission Control Service.
6-16

100,000 Miles (166 000 km)
❑Inspect spark plug wires.An Emission
Control Service.
❑Replace spark plugs.An Emission Control Service.
❑Change automatic transaxle uid and lter if the
vehicle is mainly driven under one or more of
these conditions:
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C)
or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police or
delivery service.
❑If you have not used your vehicle under severe
service conditions listed previously and, therefore,
have not changed your automatic transaxle uid,
change both the uid and lter
150,000 Miles (240 000 km)
❑Drain, ush and rell cooling system (or every
60 months since last service, whichever occurs rst).
SeeEngine Coolant on page 5-24for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test the cooling system
and pressure cap.An Emission Control Service.
❑Inspect engine accessory drive belt.An Emission
Control Service.
6-18

Rearview Mirrors.............................................2-34
Reclining Seatbacks.......................................... 1-4
Recreational Vehicle Towing.............................4-35
Remote Keyless Entry System............................ 2-5
Remote Keyless Entry System, Operation............ 2-6
Removing the Flat Tire and Installing
the Spare Tire.............................................5-76
Removing the Spare Tire and Tools...................5-75
Replacement Bulbs.........................................5-56
Reporting Safety Defects
Canadian Government..................................7-11
General Motors...........................................7-11
United States Government............................7-10
Restraint System Check
Checking Your Restraint Systems...................1-57
Replacing Restraint System Parts
After a Crash..........................................1-58
Restraint Systems
Checking....................................................1-57
Replacing Parts...........................................1-58
Retained Accessory Power (RAP)......................2-23
Right Front Passenger Position, Safety Belts......1-19
Roadside
Assistance Program....................................... 7-6
Rocking Your Vehicle to Get it Out....................4-30
Routing, Engine Drive Belt..............................5-102
Running Your Engine While You Are Parked.......2-33S
Safety Belt
Reminder Light............................................3-36
Safety Belts
Care of......................................................5-86
Center Passenger Position............................1-19
Driver Position............................................1-12
How to Wear Safety Belts Properly................1-11
Questions and Answers About Safety Belts.....1-10
Rear Safety Belt Comfort Guides for Children
and Small Adults......................................1-24
Rear Seat Passengers.................................1-20
Right Front Passenger Position......................1-19
Safety Belt Extender....................................1-26
Safety Belt Use During Pregnancy.................1-18
Safety Belts Are for Everyone......................... 1-6
Safety Warnings and Symbols.............................. iii
Seats
Head Restraints............................................ 1-5
Heated Seats............................................... 1-3
Memory.....................................................2-48
Power Lumbar.............................................. 1-3
Power Seats................................................. 1-2
Reclining Seatbacks...................................... 1-4
11

Aluminum or Chrome-Plated Wheels,
Cleaning.................................................5-88
Buying New Tires........................................5-68
Chains.......................................................5-72
Changing a Flat Tire....................................5-74
Check Tire Pressure System.........................5-65
Cleaning....................................................5-88
Compact Spare Tire.....................................5-82
If a Tire Goes Flat.......................................5-73
Ination -- Tire Pressure...............................5-64
Inspection and Rotation................................5-67
Installing the Spare Tire................................5-76
Removing the Flat Tire.................................5-76
Removing the Spare Tire and Tools...............5-75
Storing a Flat or Spare Tire and Tools............5-80
Tire Sidewall Labelling..................................5-59
Tire Terminology and Denitions....................5-61
Uniform Tire Quality Grading.........................5-69
Wheel Alignment and Tire Balance.................5-71
Wheel Replacement.....................................5-71
When It Is Time for New Tires......................5-68
Top Strap......................................................1-37
Top Strap Anchor Location...............................1-39
Towing
Recreational Vehicle.....................................4-35
Towing a Trailer..........................................4-37
Your Vehicle...............................................4-35Traction
Control System (TCS).................................... 4-9
Control System Warning Light.......................3-39
Transaxle
Fluid, Automatic...........................................5-22
Transaxle Operation, Automatic.........................2-26
Trip Odometer................................................3-35
Trunk............................................................2-14
Trunk Lamps..................................................3-19
Trunk-Mounted CD Changer.............................3-66
Turn and Lane-Change Signals.......................... 3-7
Turn Signal/Multifunction Lever........................... 3-7
Twilight Sentinel
®............................................3-16
U
Ultrasonic Rear Parking Assist (URPA)...............3-22
Understanding Radio Reception........................3-72
Uniform Tire Quality Grading............................5-69
V
Vehicle
Control........................................................ 4-6
Damage Warnings........................................... iv
Service Soon Light......................................3-44
Symbols......................................................... iv
13