2003 BUICK LESABRE tow

50,000 Miles (83 000 km)
qChange automatic transaxle ¯uid and ®lter if the
vehicle is mainly driven under one or more of
these conditions:
þ In heavy city traffic where the outside
temperature regularly reaches 90ÉF (32ÉC) or
higher.
þ In hilly or mountainous terrain.
þ When doing frequent trailer towing.
þ 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)
qChange engine oil and ®lter (or every 12 months,
whichever occurs ®rst).An Emission Control
Service. (See footnote *.)
qRotate tires. SeeTire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
60,000 Miles (100 000 km)
qChange engine oil and ®lter (or every 12 months,
whichever occurs ®rst).An Emission Control
Service. (See footnote *.)
qRotate tires. SeeTire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
qReplace engine air cleaner ®lter. SeeEngine Air
Cleaner/Filter on page 5-18for more information.An Emission Control Service.
67,500 Miles (112 500 km)
qChange engine oil and ®lter (or every 12 months,
whichever occurs ®rst).An Emission Control
Service. (See footnote *.)
qRotate tires. SeeTire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
75,000 Miles (125 000 km)
qChange engine oil and ®lter (or every 12 months,
whichever occurs ®rst).An Emission Control
Service. (See footnote *.)
qInspect engine air cleaner ®lter. SeeEngine Air
Cleaner/Filter on page 5-18for more information.An
Emission Control Service. (See footnote ².)
qRotate tires. SeeTire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
6-15

82,500 Miles (137 500 km)
qChange engine oil and ®lter (or every 12 months,
whichever occurs ®rst).An Emission Control
Service. (See footnote *.)
qRotate tires. SeeTire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
90,000 Miles (150 000 km)
qChange engine oil and ®lter (or every 12 months,
whichever occurs ®rst).An Emission Control
Service. (See footnote *.)
qReplace engine air cleaner ®lter. SeeEngine Air
Cleaner/Filter on page 5-18for more information.An Emission Control Service.
qRotate tires. SeeTire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
97,500 Miles (162 500 km)
qChange engine oil and ®lter (or every 12 months,
whichever occurs ®rst).An Emission Control
Service. (See footnote *.)
qRotate tires. SeeTire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote .) (See footnote +.)
100,000 Miles (166 000 km)
qInspect spark plug wires.An Emission Control
Service.
qReplace spark plugs.An Emission Control Service.
qChange automatic transaxle ¯uid and ®lter if the
vehicle is mainly driven under one or more of
these conditions:
þ In heavy city traffic where the outside
temperature regularly reaches 90ÉF (32ÉC) or
higher.
þ In hilly or mountainous terrain.
þ When doing frequent trailer towing.
þ Uses such as found in taxi, police or delivery
service.
qIf you haven't used your vehicle under severe service
conditions listed previously and, therefore, haven't
changed your automatic transaxle ¯uid, change both
the ¯uid and ®lter
150,000 Miles (240 000 km)
qDrain, ¯ush and re®ll cooling system (or every
60 months since last service, whichever occurs ®rst).
See
Engine Coolant on page 5-23for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test the cooling system
and pressure cap.
An Emission Control Service.
qInspect engine accessory drive belt.An Emission
Control Service.
6-16

Overseas ± Customer Assistance
Please contact the local General Motors Business Unit.
Mexico, Central America and
Caribbean Islands/Countries (Except
Puerto Rico and U.S. Virgin Islands) ±
Customer Assistance
General Motors de Mexico, S. de R.L. de C.V.
Customer Assistance Center
Paseo de la Reforma # 2740
Col. Lomas de Bezares
C.P. 11910, Mexico, D.F.
01-800-508-0000
Long Distance: 011-52-53 29 0 800
GM Mobility Program for Persons
with Disabilities
This program, available to
quali®ed applicants, can
reimburse you up to
$1,000 toward aftermarket
driver or passenger
adaptive equipment you
may require for your
vehicle (hand controls,
wheelchair/scooter
lifts, etc.).
This program can also provide you with free resource
information, such as area driver assessment centers and
mobility equipment installers. The program is available
for a limited period of time from the date of vehicle
purchase/lease. See your dealer for more details or call
the GM Mobility Assistance Center at 1-800-323-9935.
Text telephone (TTY) users, call 1-800-833-9935.
GM of Canada also has a Mobility Program. Call
1-800-GM-DRIVE (463-7483) for details. All TTY users
call 1-800-263-3830.
7-5

Roadside Assistance Program
Buick Motor Division is proud to offer Buick Premium
Roadside Assistance to customers for vehicles covered
under the 3 year/36,000 mile (60 000 km) new car
warranty (whichever occurs ®rst).
Our commitment to Buick owners has always included
superior service through our network of Buick dealers.
Buick Premium Roadside Assistance provides an
extra measure of convenience and security.
Buick's Roadside Assistance toll-free number is staffed
by a team of technically trained advisors, who are
available 24 hours a day, 365 days a year.
We take anxiety out of uncertain situations by providing
minor repair information over the phone or making
arrangements to tow your vehicle to the nearest Buick
dealer.
We will provide the following services for
3 years/36,000 miles (60 000 km), at no expense to you:
·Fuel delivery
·Lock-out service (identi®cation required)
·Tow to nearest dealership for warranty service
·Change a ¯at tire
·Jump startsWe have quick, easy access to telephone numbers of the
following additional services depending on your needs:
·Hotels
·Glass replacement
·Tire repair facilities
·Rental vehicle or taxis
·Airports or train stations
·Police, ®re department or hospitals
In many instances, mechanical failures are covered
under Buick's comprehensive warranty. However, when
other services are utilized, our advisors will explain
any payment obligations you might incur.
For prompt and efficient assistance when calling, please
provide the following information to give the advisor:
·Location of vehicle
·Telephone number of your location
·Vehicle model, year and color
·Mileage of vehicle
·Vehicle Identi®cation Number (VIN)
·Vehicle license plate number
Buick reserves the right to limit services or
reimbursement to an owner or driver when, in Buick's
judgement, the claims become excessive in frequency or
type of occurrence.
7-6

Reporting Safety Defects to the
Canadian Government
If you live in Canada, and you believe that your vehicle
has a safety defect, you should immediately notify
Transport Canada, in addition to notifying General
Motors of Canada Limited. You may write to:
Transport Canada
330 Sparks Street
Tower C
Ottawa, Ontario K1A 0N5
Reporting Safety Defects to General
Motors
In addition to notifying NHTSA (or Transport Canada) in
a situation like this, we certainly hope you'll notify us.
Please call us at 1-800-521-7300, or write:
Buick Customer Assistance Center
P.O. Box 33136
Detroit, MI 48232-5136
In Canada, please call us at 1-800-263-3777 (English)
or 1-800-263-7854 (French). Or, write:
General Motors of Canada Limited
Customer Communication Centre, 163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
Service Publications Ordering
Information
Service Manuals
Service Manuals have the diagnosis and repair
information on engines, transmission, axle, suspension,
brakes, electrical, steering, body, etc.
RETAIL SELL PRICE: $120.00
Transmission, Transaxle, Transfer
Case Unit Repair Manual
This manual provides information on unit repair service
procedures, adjustments, and speci®cations for GM
transmissions, transaxles, and transfer cases.
RETAIL SELL PRICE: $50.00
7-10

Cornering Lamps............................................3-15
Courtesy Lamps.............................................3-18
Cruise Control Light........................................3-44
Cruise Control................................................3-11
Current and Past Model Order Forms................7-11
Customer Assistance Information........................ 7-7
Courtesy Transportation.................................. 7-7
Customer Assistance for Text Telephone
(TTY) Users.............................................. 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Program for Persons with
Disabilities................................................ 7-5
Reporting Safety Defects to General Motors....7-10
Reporting Safety Defects to the Canadian
Government............................................7-10
Reporting Safety Defects to the United States
Government.............................................. 7-9
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-10
D
Daytime Running Lamps..................................3-15
Defensive Driving............................................. 4-2
Defogging and Defrosting.........................3-25, 3-29
Delayed Entry Lighting.....................................3-18Delayed Exit Lighting.......................................3-18
Delayed Locking.....................................2-11, 3-53
Dinghy Towing................................................4-32
Diversity Antenna System.................................3-81
Doing Your Own Service Work........................... 5-3
Dolly Towing..................................................4-33
Door.............................................................2-10
Central Door Unlocking System.....................2-10
Delayed Locking..........................................2-11
Door Ajar Reminder.....................................2-11
Locks.......................................................... 2-9
Power Door Locks.......................................2-10
Programmable Automatic Door Locks.............2-11
Rear Door Security Locks.............................2-13
Driver ID.......................................................3-54
Driver Information Center (DIC).........................3-45
DIC Controls and Displays............................3-46
DIC Vehicle Personalization..........................3-50
DIC Warnings and Messages........................3-49
Driver............................................................1-12
Position, Safety Belt.....................................1-12
Driving On Grades..........................................4-41
Driving on Snow or Ice....................................4-26
Driving Through Deep Standing Water...............4-19
Driving Through Flowing Water.........................4-20
Driving with a Trailer.......................................4-39
4

Driving..........................................................4-16
At Night.....................................................4-16
City...........................................................4-20
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-21
Hill and Mountain Roads..............................4-24
In Rain and on Wet Roads...........................4-17
Winter........................................................4-25
Dual Automatic Climate Control System.............3-26
Dual Sun Visor...............................................2-17
E
Electrical System............................................5-85
Add-On Equipment......................................5-85
Fuses and Circuit Breakers...........................5-86
Power Windows and Other Power Options......5-86
Removing the Rear Seat Cushion..................5-89
Emergency Trunk Release Handle.....................2-15
Emissions Inspection and Maintenance
Programs...................................................3-42
Engine Compartment Fuse Block......................5-86
Engine Coolant Level Check.............................6-17
Engine Cooling When Trailer Towing..................4-42
Engine Oil Additives........................................5-16
Engine Oil Level Check...................................6-17
Engine..........................................................5-18
Air Cleaner/Filter.........................................5-18Engine (cont.)
Battery.......................................................5-40
Check and Service Engine Soon Light............3-40
Compartment Overview................................5-12
Coolant Heater............................................2-24
Coolant Temperature Gage...........................3-40
Coolant......................................................5-23
Cooling System Inspection............................6-22
Exhaust.....................................................2-31
Oil .............................................................5-13
Overheating................................................5-26
Starting......................................................2-23
Entry Lighting.................................................3-18
Erasing HomeLink
žButtons..............................2-41
Express-Down Window....................................2-17
Extender, Safety Belt.......................................1-26
Exterior Lamps...............................................3-14
Exterior Lighting Battery Saver..........................3-17
Exterior Lights................................................3-53
F
Filter.............................................................5-18
Engine Air Cleaner......................................5-18
Finding a PTY Station (RDS and XMŸ).............3-66
Finding a PTY Station.....................................3-59
Finding a Station....................................3-56, 3-64
Finish Care....................................................5-81
Finish Damage...............................................5-83
5

M
Maintenance, Normal Replacement Parts............5-94
Maintenance Schedule.....................................6-17
At Each Fuel Fill.........................................6-17
At Least Once a Month................................6-17
At Least Once a Year..................................6-18
At Least Twice a Year..................................6-18
Brake System Inspection..............................6-22
Engine Cooling System Inspection.................6-22
Exhaust System Inspection...........................6-21
Fuel System Inspection................................6-22
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Long Trip/Highway Scheduled Maintenance.....6-13
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-17
Part C - Periodic MaintenanceInspections......6-21
Part D - Recommended Fluids and
Lubricants...............................................6-23
Part E - Maintenance Record........................6-24
Selecting the Right Schedule.......................... 6-5
Short Trip/City Scheduled Maintenance............. 6-6
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection..........................6-21
Throttle System Inspection............................6-22
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2Maintenance When Trailer Towing.....................4-42
Making Turns.................................................4-40
Malfunction Indicator Light................................3-40
Manual Lumbar Controls.................................... 1-3
Manual Operation...........................................3-27
Manual Seats................................................... 1-2
Matching Transmitter(s) to Your Vehicle............... 2-8
Memory Mirrors..............................................2-44
Memory Seat.................................................2-44
Memory Seats................................................3-53
Message.......................................................3-49
DIC Warnings and Messages........................3-49
Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands) ± Customer Assistance....................... 7-5
Mirror Operation.....................................2-33, 2-34
Mirrors..........................................................2-33
Automatic Dimming Rearview with Compass....2-33
Automatic Dimming Rearview........................2-33
Manual Rearview Mirror................................2-33
Memory.....................................................2-44
Outside Automatic Dimming Heated Mirror......2-36
Outside Convex Mirror.................................2-36
Outside Curb View Assist Mirror....................2-36
Outside Power Mirrors..................................2-35
MyGMLink.com................................................ 7-3
9