service BUICK LACROSSE 2005 Owner's Manual

Owner’s Information
Owner publications are written specically for owners
and intended to provide basic operational information
about the vehicle. The owner’s manual will include
the Maintenance Schedule for all models.
In-Portfolio: Includes a Portfolio, Owner’s Manual, and
Warranty Booklet.
RETAIL SELL PRICE: $35.00
Without Portfolio: Owner’s Manual only.
RETAIL SELL PRICE: $25.00
Current and Past Model Order Forms
Service Publications are available for current and
past model GM vehicles. To request an order form,
please specify year and model name of the vehicle.
ORDER TOLL FREE: 1-800-551-4123
Monday-Friday 8:00 AM - 6:00 PM
Eastern Time
For Credit Card Orders Only
(VISA-MasterCard-Discover), visit Helm, Inc. on the
World Wide Web at: www.helminc.com
Or you can write to:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
Prices are subject to change without notice and without
incurring obligation. Allow ample time for delivery.
Note to Canadian Customers: All listed prices are
quoted in U.S. funds. Canadian residents are to make
checks payable in U.S. funds.
7-12

Cruise Control Lever.......................................3-10
Cruise Control Light........................................3-43
Cupholder(s)..................................................2-40
Customer Assistance Information
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 Reimbursement Program............... 7-5
Reporting Safety Defects to General Motors....7-11
Reporting Safety Defects to the Canadian
Government............................................7-11
Reporting Safety Defects to the United States
Government............................................7-10
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-11
D
Daytime Running Lamps/Automatic
Headlamp System.......................................3-14
Defensive Driving............................................. 4-2
Delayed Entry Lighting.....................................3-17
Delayed Exit Lighting.......................................3-17
Delayed Locking.............................................2-11
Doing Your Own Service Work........................... 5-4
Door
Ajar Light...................................................3-45Door (cont.)
Delayed Locking..........................................2-11
Locks........................................................2-10
Power Door Locks.......................................2-11
Driver
Position, Safety Belt.....................................1-15
Driver Information Center (DIC).........................3-47
DIC Operation and Displays..........................3-47
DIC Vehicle Personalization..........................3-71
DIC Warnings and Messages........................3-53
Driving
At Night.....................................................4-15
City...........................................................4-19
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-20
Hill and Mountain Roads..............................4-22
In Rain and on Wet Roads...........................4-16
Rocking Your Vehicle to Get it Out.................4-28
Winter........................................................4-24
Dual Automatic Climate Control System.............3-24
E
Electrical System
Add-On Equipment......................................5-87
Fuses and Circuit Breakers...........................5-88
Headlamp Wiring.........................................5-87
Instrument Panel Fuse Block.........................5-88
4

Electrical System (cont.)
Power Windows and Other Power Options......5-88
Underhood Fuse Block.................................5-90
Windshield Wiper Fuses...............................5-87
Engine
Air Cleaner/Filter.........................................5-19
Battery.......................................................5-38
Change Engine Oil Light...............................3-43
Check and Service Engine Soon Light............3-39
Coolant......................................................5-21
Coolant Heater............................................2-23
Coolant Temperature Gage...........................3-38
Coolant Temperature Warning Light................3-38
Engine Compartment Overview......................5-12
Exhaust.....................................................2-30
Oil .............................................................5-15
Oil Life System...........................................5-18
Overheated Protection Operating Mode...........5-26
Overheating................................................5-24
Reduced Power Light...................................3-44
Starting......................................................2-22
Entry Lighting.................................................3-16
Event Data Recorders (EDR)............................. 7-9
Extender, Safety Belt.......................................1-30
Exterior Lamps...............................................3-13
Exterior Lighting Battery Saver..........................3-15F
Filter
Engine Air Cleaner......................................5-19
Finish Damage...............................................5-84
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-67
Flat Tire, Changing.........................................5-68
Flat Tire, Storing.............................................5-76
Fluid
Automatic Transmission................................5-21
Power Steering...........................................5-33
Windshield Washer......................................5-34
Fog Lamps............................................3-15, 5-48
Folding Rear Seat............................................ 1-8
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6
Check Gas Cap Light...................................3-46
Filling a Portable Fuel Container....................5-10
Filling Your Tank........................................... 5-8
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-46
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-6
Low Warning Light.......................................3-46
5

Light (cont.)
Reduced Engine Power................................3-44
Safety Belt Reminder...................................3-32
Security.....................................................3-43
Service Vehicle Soon...................................3-45
TCS Warning Light......................................3-37
Traction Control System (TCS) Warning..........3-37
Trunk Ajar..................................................3-45
Lighting
Delayed Entry.............................................3-17
Delayed Exit...............................................3-17
Entry.........................................................3-16
Perimeter...................................................3-18
Theater Dimming.........................................3-17
Loading Your Vehicle.......................................4-29
Lockout Protection..........................................2-12
Locks
Delayed Locking..........................................2-11
Door..........................................................2-10
Lockout Protection.......................................2-12
Power Door................................................2-11
Loss of Control...............................................4-13
Low Coolant Warning Light..............................3-39
Low Fuel Warning Light...................................3-46
Low Washer Fluid Warning Light.......................3-45
Lumbar
Power Controls............................................. 1-4M
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-8
At Least Once a Month.................................. 6-9
At Least Once a Year.................................... 6-9
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-7
Maintenance Record....................................6-14
Maintenance Requirements............................. 6-2
Normal Maintenance Replacement Parts.........6-13
Owner Checks and Services........................... 6-8
Recommended Fluids and Lubricants.............6-12
Scheduled Maintenance................................. 6-4
Using.......................................................... 6-3
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-39
Manual Seats................................................... 1-3
Message
DIC Warnings and Messages........................3-53
Mirrors
Automatic Dimming Rearview........................2-32
Automatic Dimming Rearview with OnStar
®.....2-33
Manual Rearview Mirror................................2-32
Manual Rearview Mirror with OnStar
®.............2-32
Outside Convex Mirror.................................2-34
8

Mirrors (cont.)
Outside Power Heated Mirrors.......................2-34
Outside Power Mirrors..................................2-33
MyGMLink.com................................................ 7-3
N
New Vehicle Break-In......................................2-21
Normal Maintenance Replacement Parts............6-13
O
Odometer......................................................3-32
Off-Road Recovery..........................................4-12
Oil
Change Engine Oil Light...............................3-43
Engine.......................................................5-15
Pressure Light.............................................3-42
Oil, Engine Oil Life System..............................5-18
Older Children, Restraints................................1-31
Online Owner Center........................................ 7-3
OnStar
®System.............................................2-34
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-28
Outside
Convex Mirror.............................................2-34
Power Heated Mirrors..................................2-34
Power Mirrors.............................................2-33Overhead Console Reading Lamps....................3-18
Overheated Engine Protection
Operating Mode..........................................5-26
Owner Checks and Services.............................. 6-8
Owners, Canadian............................................... ii
P
Park Aid........................................................3-18
Park (P)
Shifting Into................................................2-28
Shifting Out of............................................2-29
Parking
Assist........................................................3-18
Brake........................................................2-27
Over Things That Burn.................................2-30
Passenger Airbag Status Indicator.....................3-34
Passenger Compartment Air Filter.....................3-28
Passenger Sensing System..............................1-60
Passing.........................................................4-12
PASS-Key
®III ................................................2-19
PASS-Key®III Operation..................................2-19
Perimeter Lighting...........................................3-18
Power
Accessory Outlets........................................3-20
Door Locks.................................................2-11
Electrical System.........................................5-88
9

S
Safety Belt
Pretensioners..............................................1-30
Reminder Light............................................3-32
Safety Belts
Care of......................................................5-81
Center Front Passenger Position....................1-24
Driver Position............................................1-15
How to Wear Safety Belts Properly................1-15
Questions and Answers About Safety Belts.....1-14
Rear Safety Belt Comfort Guides...................1-27
Rear Seat Passengers.................................1-25
Right Front Passenger Position......................1-23
Safety Belt Extender....................................1-30
Safety Belt Use During Pregnancy.................1-23
Safety Belts Are for Everyone.......................1-10
Shoulder Belt Height Adjuster........................1-22
Safety Warnings and Symbols.............................. iii
Scheduled Maintenance..................................... 6-4
Seats
Center Seat.................................................. 1-7
Head Restraints............................................ 1-7
Heated Seats............................................... 1-5
Manual........................................................ 1-3Seats (cont.)
Power Lumbar.............................................. 1-4
Reclining Seatbacks...................................... 1-5
Six-Way Power Seats.................................... 1-4
Split Folding Rear Seat.................................. 1-8
Securing a Child Restraint
Center Front Seat Position............................1-48
Designed for the LATCH System...................1-45
Rear Seat Position......................................1-46
Right Front Seat Position..............................1-48
Security Light.................................................3-43
Service........................................................... 5-3
Adding Equipment to the Outside of Your
Vehicle..................................................... 5-5
Doing Your Own Work................................... 5-4
Engine Soon Light.......................................3-39
Publications Ordering Information...................7-11
Vehicle Soon Light.......................................3-45
Servicing Your Airbag-Equipped Vehicle..............1-64
Setting the Time.............................................3-79
Sheet Metal Damage.......................................5-84
Shifting Into Park (P).......................................2-28
Shifting Out of Park (P)...................................2-29
Shoulder Belt Height Adjuster...........................1-22
Signals, Turn and Lane-Change.......................... 3-8
11

Top Strap......................................................1-41
Top Strap Anchor Location...............................1-43
Towing
Recreational Vehicle.....................................4-34
Towing a Trailer..........................................4-35
Your Vehicle...............................................4-34
Traction
Control System (TCS).................................... 4-8
Control System Warning Light.......................3-37
StabiliTrak
®System....................................... 4-9
Transaxle Operation, Automatic.........................2-24
Transmission
Fluid, Automatic...........................................5-21
Trunk............................................................2-13
Trunk Ajar Light..............................................3-45
Turn and Lane-Change Signals.......................... 3-8
Turn Signal/Multifunction Lever........................... 3-7
U
Ultrasonic Rear Parking Assist (URPA)...............3-18
Understanding Radio Reception.......................3-119
Uniform Tire Quality Grading............................5-63
V
Vehicle
Control........................................................ 4-5
Damage Warnings........................................... ivVehicle (cont.)
Loading......................................................4-29
Service Soon Light......................................3-45
Symbols......................................................... iv
Vehicle Data Collection and Event Data
Recorders.................................................... 7-9
Vehicle Identication
Number (VIN).............................................5-86
Service Parts Identication Label...................5-86
Vehicle Personalization
DIC ...........................................................3-71
Ventilation Adjustment......................................3-28
Visors...........................................................2-17
W
Warning Lights, Gages and Indicators................3-30
Warnings
DIC Warnings and Messages........................3-53
Hazard Warning Flashers............................... 3-6
Other Warning Devices.................................. 3-6
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Washer Fluid, Low Warning Light......................3-45
Wheels
Alignment and Tire Balance..........................5-64
Replacement...............................................5-65
Where to Put the Restraint...............................1-40
13