engine coolant BUICK LACROSSE 2005 Owner's Guide

Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary. SeeEngine
Coolant on page 5-21for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer tank and add the proper uid if necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your vehicle’s tires and make sure they
are inated to the correct pressures. Do not forget to
check the spare tire. SeeTires on page 5-52for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-68.
Tire Wear Inspection
Tire rotation may be required for high mileage highway
drivers prior to the Engine Oil Life System service
notication. Check the tires for wear and, if necessary,
rotate the tires. SeeTire Inspection and Rotation on
page 5-60.
At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-27if
necessary.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The starter
should work only in PARK (P) or NEUTRAL (N).
If the starter works in any other position, contact
your GM Goodwrench
®dealer for service.
6-9

Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name,
part number or specication may be obtained from
your dealer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certied for Gasoline Engines
starburst symbol. GM
Goodwrench
®oil meets all the
requirements for your vehicle. To
determine the proper viscosity for
your vehicle’s engine, seeEngine
Oil on page 5-15.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 5-21.
Hydraulic Brake
SystemDelco Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
Washer SolventGM Optikleen
®Washer Solvent.
Usage Fluid/Lubricant
Power Steering
SystemGM Power Steering Fluid
(GM Part No. U.S. 89021184, in
Canada 89021186).
Automatic
TransaxleDEXRON
®-III Automatic
Transmission Fluid. Look for
“Approved for the H-Specication”
on the label.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Hood Latch
Assembly,
Secondary
Latch, Pivots,
Spring Anchor
and Release
PawlLubriplate Lubricant Aerosol
(GM Part No. U.S. 12346293, in
Canada 992723) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Hood and Door
HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 109435474).
Weatherstrip
ConditioningDielectric Silicone Grease
(GM Part No. U.S. 12345579, in
Canada 992887).
6-12

Check
Engine Light...............................................3-39
Check Gas Cap Light......................................3-46
Checking Things Under the Hood......................5-10
Chemical Paint Spotting...................................5-84
Child Restraints
Child Restraint Systems...............................1-37
Infants and Young Children...........................1-33
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-43
Older Children.............................................1-31
Securing a Child Restraint Designed for
the LATCH System...................................1-45
Securing a Child Restraint in a Rear
Seat Position...........................................1-46
Securing a Child Restraint in the Center
Front Seat Position...................................1-48
Securing a Child Restraint in the Right
Front Seat Position...................................1-48
Top Strap...................................................1-41
Top Strap Anchor Location............................1-43
Where to Put the Restraint...........................1-40
Chime Level Adjustment.................................3-120
Cleaning
Aluminum or Chrome-Plated Wheels..............5-83
Exterior Lamps/Lenses.................................5-81
Fabric/Carpet..............................................5-78
Finish Care.................................................5-82Cleaning (cont.)
Glass Surfaces............................................5-80
Instrument Panel.........................................5-80
Interior Plastic Components...........................5-80
Leather......................................................5-80
Tires..........................................................5-83
Underbody Maintenance...............................5-84
Vinyl..........................................................5-80
Washing Your Vehicle...................................5-81
Weatherstrips..............................................5-81
Windshield and Wiper Blades........................5-82
Climate Control System...................................3-21
Air Filter, Passenger Compartment.................3-28
Dual Automatic............................................3-24
Outlet Adjustment........................................3-28
Steering Wheel Controls...............................3-30
Comfort Guides, Rear Safety Belt.....................1-27
Compact Spare Tire........................................5-77
Content Theft-Deterrent....................................2-17
Control of a Vehicle.......................................... 4-5
Convenience Net............................................2-41
Coolant
Engine Temperature Gage............................3-38
Engine Temperature Warning Light.................3-38
Heater, Engine............................................2-23
Low Warning Light.......................................3-39
Cooling System..............................................5-26
Courtesy Lamps.............................................3-16
3

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

Fuses
Fuses and Circuit Breakers...........................5-88
Instrument Panel Fuse Block.........................5-88
Underhood Fuse Block.................................5-90
Windshield Wiper.........................................5-87
G
Gage
Engine Coolant Temperature.........................3-38
Fuel..........................................................3-46
Speedometer..............................................3-32
Tachometer.................................................3-32
Garage Door Opener.......................................2-36
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-6
Glove Box.....................................................2-40
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-7
Headlamp
Aiming.......................................................5-43Headlamp Wiring............................................5-87
Headlamps
Bulb Replacement.......................................5-45
Daytime Running Lamps/Automatic
Headlamp System....................................3-14
Flash-to-Pass............................................... 3-8
Front Turn Signal and Parking Lamps.............5-47
Halogen Bulbs............................................5-45
Headlamps and Sidemarker Lamps................5-46
High/Low Beam Changer................................ 3-8
Suggested Light..........................................3-44
Headlamps and Sidemarker Lamps...................5-46
Heated Seats................................................... 1-5
Heater...........................................................3-21
Heater...........................................................3-24
Highbeam On Light.........................................3-44
Highway Hypnosis...........................................4-21
Hill and Mountain Roads..................................4-22
HomeLink
®Transmitter....................................2-36
HomeLink®Transmitter, Programming................2-36
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-15
6

I
Ignition Positions.............................................2-21
Infants and Young Children, Restraints...............1-33
Ination -- Tire Pressure..................................5-58
Instrument Panel
Brightness..................................................3-16
Cluster.......................................................3-31
Overview..................................................... 3-4
Interior Lamps................................................3-16
J
Jump Starting.................................................5-39
K
Keyless Entry System....................................... 2-3
Keys............................................................... 2-2
L
Labelling, Tire Sidewall....................................5-53
Lamps
Battery Run-Down Protection.........................3-18
Courtesy....................................................3-16
Exterior......................................................3-13Lamps (cont.)
Exterior Lighting Battery Saver......................3-15
Fog ...................................................3-15, 5-48
Interior.......................................................3-16
Overhead Console Reading..........................3-18
Rear Assist Handle Reading..........................3-18
LATCH System
Child Restraints...........................................1-43
Securing a Child Restraint Designed for the
LATCH System........................................1-45
Light
Airbag Readiness........................................3-33
Anti-Lock Brake System Warning...................3-37
Brake System Warning.................................3-36
Change Engine Oil......................................3-43
Charging System.........................................3-35
Check Gas Cap..........................................3-46
Cruise Control.............................................3-43
Door Ajar...................................................3-45
Engine Coolant Temperature Warning.............3-38
Headlamps Suggested.................................3-44
Highbeam On.............................................3-44
Low Coolant Warning...................................3-39
Low Fuel Warning.......................................3-46
Low Washer Fluid Warning...........................3-45
Malfunction Indicator....................................3-39
Oil Pressure...............................................3-42
Passenger Airbag Status Indicator..................3-34
7

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