2003 BUICK CENTURY oil change

E
Electrical System............................................5-88
Add-On Equipment......................................5-88
Fuses and Circuit Breakers...........................5-89
Headlamp Wiring.........................................5-88
Power Windows and Other Power Options......5-88
Windshield Wiper Fuses...............................5-88
Emergency Trunk Release Handle.....................2-14
Emissions Inspection and Maintenance
Programs...................................................3-33
Engine Coolant Level Check.............................6-10
Engine Cooling When Trailer Towing..................4-41
Engine Oil Additives........................................5-16
Engine Oil Level Check...................................6-10
Engine Oil Scheduled Maintenance..................... 6-5
Engine..........................................................5-18
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-42
Change Engine Oil Light...............................3-35
Check and Service Engine Soon Light............3-31
Compartment Overview................................5-12
Coolant Heater............................................2-21
Coolant Temperature Gage...........................3-30
Coolant Temperature Warning Light................3-29
Coolant......................................................5-23
Cooling System Inspection............................6-14Engine (cont.)
Exhaust.....................................................2-30
Oil .............................................................5-13
Overheating................................................5-26
Starting......................................................2-20
Enhanced Traction System (ETS)......................4-10
Warning Light.............................................3-28
Entry Lighting.................................................3-14
Express-Down Window....................................2-16
Extender, Safety Belt.......................................1-29
Exterior Lamps...............................................3-11
F
Filter.............................................................5-18
Engine Air Cleaner......................................5-18
Finding a Station....................................3-40, 3-42
Finish Care....................................................5-83
Finish Damage...............................................5-84
Fixed Mast Antenna........................................3-52
Flash-to-Pass................................................... 3-7
Flat Tire, Changing.........................................5-67
Flat Tire........................................................5-66
Fluid.............................................................5-19
Automatic Transaxle.....................................5-19
Power Steering...........................................5-36
Windshield Washer......................................5-38
5

LATCH System (cont.)
Securing a Child Restraint Designed for the
LATCH System........................................1-45
Leaving Your Vehicle With the Engine Running . . . 2-28
Leaving Your Vehicle.......................................2-12
Lighted Visor Vanity Mirrors..............................2-16
Light.............................................................3-25
Air Bag Readiness.......................................3-25
Anti-Lock Brake System Warning...................3-28
Brake System Warning.................................3-27
Change Engine Oil......................................3-35
Charging System.........................................3-26
Cruise Control.............................................3-36
Door/Trunk Ajar Warning...............................3-36
Engine Coolant Temperature Warning.............3-29
Enhanced Traction System (ETS) Warning
Light......................................................3-28
Low Fuel Warning.......................................3-38
Low Oil Level.............................................3-35
Low Traction...............................................3-29
Low Washer Fluid Warning...........................3-36
Malfunction Indicator....................................3-31
Oil Pressure...............................................3-34
Safety Belt Reminder...................................3-24
Security.....................................................3-36
Service Vehicle Soon...................................3-37
Tire Pressure..............................................3-30
Loading Your Vehicle.......................................4-33
Lockout Protection..........................................2-12
Locks............................................................2-10Door..........................................................2-10
Leaving Your Vehicle....................................2-12
Lockout Protection.......................................2-12
Power Door................................................2-11
Programmable Automatic Door Locks.............2-11
Loss of Control...............................................4-15
Low Fuel Warning Light...................................3-38
Low Traction Light..........................................3-29
Low Washer Fluid Warning Light.......................3-36
M
Maintenance, Normal Replacement Parts............5-95
Maintenance Schedule.....................................6-10
At Each Fuel Fill.........................................6-10
At Least Once a Month................................6-10
At Least Once a Year..................................6-11
At Least Twice a Year..................................6-11
Brake System Inspection..............................6-15
Engine Cooling System Inspection.................6-14
Exhaust System Inspection...........................6-14
Fuel System Inspection................................6-14
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-10
Part C - Periodic MaintenanceInspections......6-14
Part D - Recommended Fluids and Lubricants . . . 6-16
8

Maintenance Schedule (cont.)
Part E - Maintenance Record........................6-17
Scheduled Maintenance................................. 6-5
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection..........................6-14
Throttle System Inspection............................6-15
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-41
Making Turns.................................................4-39
Malfunction Indicator Light................................3-31
Manual Operation...........................................3-17
Manual Seats................................................... 1-2
Matching Transmitter(s) to Your Vehicle............... 2-8
Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands) ± Customer Assistance........................ 7-5
Mirrors..........................................................2-32
Manual Rearview Mirror with OnStar
ž.............2-32
Manual Rearview Mirror................................2-32
Outside Convex Mirror.................................2-33
Outside Power Mirrors..................................2-33
MyGMLink.com................................................ 7-4
N
New Vehicle Break-In......................................2-19
Normal Maintenance Replacement Parts............5-95
O
Odometer......................................................3-24
Off-Road Recovery..........................................4-13
Oil ................................................................3-35
Change Engine Oil Light...............................3-35
Engine.......................................................5-13
Low Oil Level Light......................................3-35
Pressure Light.............................................3-34
Older Children, Restraints................................1-30
Online Owner Center........................................ 7-4
OnStar
žPersonal Calling.................................2-35
OnStaržServices............................................2-34
OnStaržSystem.............................................2-34
OnStaržVirtual Advisor....................................2-35
Operation Tips................................................3-20
9

What to Use..................................5-24, 5-37, 5-38
Wheels..........................................................5-64
Alignment and Tire Balance..........................5-64
Replacement...............................................5-64
When to Add Engine Oil..................................5-14
When to Change Engine Oil
(GM Oil Life System)...................................5-16
When to Check and Change............................5-19
When to Check Power Steering Fluid................5-37
When to Check..............................................5-58
When You Are Ready to Leave After Parking
on a Hill.....................................................4-41
Where to Put the Restraint...............................1-39
Why Safety Belts Work..................................... 1-8
Window Lock-Out............................................2-16
Windows.......................................................2-15Power........................................................2-16
Windshield Washer Fluid Level Check................6-10
Windshield Washer........................................... 3-8
Fluid..........................................................5-38
Windshield Wiper............................................5-56
Blade Replacement......................................5-56
Fuses........................................................5-88
Windshield Wipers............................................ 3-7
Winter Driving................................................4-26
Wiper Blade Check.........................................6-11
Y
Your Vehicle and the Environment....................... 6-2
16