2005 BUICK TERRAZA engine coolant

Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and lter. SeeEngine Oil on page 5-13. Reset oil life system.
SeeEngine Oil Life System on page 5-16.An Emission Control Service.••
Lubricate chassis components.See footnote #.••
Visually check for any leaks or damage.See footnote (k).••
Inspect engine air cleaner lter. If necessary, replace lter. SeeEngine Air
Cleaner/Filter on page 5-17.An Emission Control Service. See footnotes †
and (g).•
Rotate tires and check ination pressures and wear. SeeTire Inspection and
Rotation on page 5-54.••
Inspect brake system.See footnote (a).••
Check engine coolant and windshield washer uid levels and add uid as
needed.••
Perform any needed additional services. See “Additional Required Services”
in this section.••
Inspect suspension and steering components.See footnote (b).•
Inspect engine cooling system.See footnote (c).•
Inspect wiper blades.See footnote (d).•
Inspect restraint system components.See footnote (e).•
Lubricate body components.See footnote (f).•
Check transaxle uid level and add uid as needed.•
Inspect throttle system.See footnote (j).•
6-5

(g)If you drive regularly under dusty conditions, inspect
the lter at each engine oil change.
(h)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.
(i)Drain, ush and rell cooling system. See Engine
Coolant on page 5-21 for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and ller neck.
Pressure test the cooling system and pressure cap.
(j)Check system for interference or binding and
for damaged or missing parts. Replace parts as needed.
Replace any components that have high effort or
excessive wear. Do not lubricate accelerator or cruise
control cables.
(k)A uid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired
and the uid level checked. Add uid if needed.Owner Checks and Services
These owner checks and services should be performed
at the intervals specied to help ensure the safety,
dependability and emission control performance of your
vehicle. Your GM Goodwrench
®dealer can assist
you with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any uids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
inRecommended Fluids and Lubricants on page 6-11.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-13for further
details.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
6-8

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 5-47for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-62.
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 5-54.
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 2-37if
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

Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake,
set the parking brake.
To check the parking brake’s holding ability: With
the engine running and transaxle in NEUTRAL (N),
slowly remove foot pressure from the regular
brake pedal. Do this until the vehicle is held by the
parking brake only.
To check the PARK (P) mechanism’s holding ability:
With the engine running, shift to PARK (P). Then
release the parking brake followed by the regular
brake.
Contact your GM Goodwrench
®dealer if service is
required.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take care
to clean thoroughly any areas where mud and other
debris can collect.
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, see
Engine Oil on page 5-13.
Engine Coolant50/50 mixture of clean,
drinkable water and use only
DEX-COOL
®Coolant. See
Engine Coolant on page 5-21.
Hydraulic Brake
SystemDelco Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
Washer SolventGM Optikleen
®Washer Solvent.
6-11

Child Restraints (cont.)
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-46
Older Children.............................................1-34
Securing a Child Restraint Designed for
the LATCH System...................................1-48
Securing a Child Restraint in a Rear
Seat Position...........................................1-48
Securing a Child Restraint in the Right
Front Seat Position...................................1-50
Top Strap...................................................1-44
Top Strap Anchor Location............................1-45
Where to Put the Restraint...........................1-43
Cleaning
Aluminum or Chrome-Plated Wheels..............5-82
Exterior Lamps/Lenses.................................5-81
Fabric/Carpet..............................................5-78
Finish Care.................................................5-81
Glass Surfaces............................................5-80
Instrument Panel.........................................5-80
Interior Plastic Components...........................5-80
Leather......................................................5-80
Tires..........................................................5-83
Underbody Maintenance...............................5-84
Vinyl..........................................................5-79
Washing Your Vehicle...................................5-81
Weatherstrips..............................................5-81
Windshield, Backglass, and Wiper Blades.......5-82Climate Control System
Dual..........................................................3-25
Outlet Adjustment........................................3-28
Rear..........................................................3-29
Comfort Guides, Rear Safety Belt.....................1-31
Compact Spare Tire........................................5-77
Content Theft-Deterrent....................................2-26
Control of a Vehicle.......................................... 4-6
Convenience Center........................................2-53
Convenience Net............................................2-52
Coolant
Engine Temperature Gage............................3-39
Heater, Engine............................................2-32
Cooling System..............................................5-26
Cruise Control Lever.......................................3-10
Cruise Control Light........................................3-43
Cupholder(s)..................................................2-49
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............................................7-10
3

Engine (cont.)
Check and Service Engine Soon Light............3-40
Coolant......................................................5-21
Coolant Heater............................................2-32
Coolant Temperature Gage...........................3-39
Engine Compartment Overview......................5-12
Exhaust.....................................................2-40
Oil .............................................................5-13
Oil Life System...........................................5-16
Overheated Protection Operating Mode...........5-26
Overheating................................................5-24
Starting......................................................2-31
Entry Lighting.................................................3-17
Event Data Recorders (EDR)............................. 7-9
Exit Lighting...................................................3-18
Extender, Safety Belt.......................................1-34
Exterior Lamps...............................................3-14
F
Filter
Engine Air Cleaner......................................5-17
Finish Damage...............................................5-83
Fixed Mast Antenna.......................................3-114
Flash-to-Pass................................................... 3-8Flat Tire........................................................5-62
Flat Tire, Changing.........................................5-62
Flat Tire, Storing.............................................5-74
Fluid
Automatic Transaxle.....................................5-19
Power Steering...........................................5-32
Windshield Washer......................................5-32
Folding Tray...................................................2-51
Front Console Storage Area.............................2-50
Front Reading Lamps......................................3-19
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6
Filling a Portable Fuel Container....................5-10
Filling Your Tank........................................... 5-8
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-44
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-5
Low Warning Light.......................................3-44
Fuses
Fuses and Circuit Breakers...........................5-87
Instrument Panel Fuse Block.........................5-88
Underhood Fuse Block.................................5-90
Windshield Wiper.........................................5-87
5

G
Gage
Engine Coolant Temperature.........................3-39
Fuel..........................................................3-44
Speedometer..............................................3-33
Tachometer.................................................3-33
Garage Door Opener.......................................2-44
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Glove Box.....................................................2-48
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-7
Headlamp Wiring............................................5-86
Headlamps
Bulb Replacement.......................................5-42
Daytime Running Lamps/Automatic
Headlamp System....................................3-15
Flash-to-Pass............................................... 3-8
Front Turn Signal, Parking and Daytime
Running Lamps........................................5-44
Halogen Bulbs............................................5-43
Headlamps and Sidemarker Lamps................5-43
High/Low Beam Changer................................ 3-8Headlamps (cont.)
On Reminder..............................................3-15
Wiper Activated...........................................3-15
Headlamps and Sidemarker Lamps...................5-43
Heated Seats................................................... 1-4
Heater...........................................................3-25
Highbeam On Light.........................................3-44
Highway Hypnosis...........................................4-25
Hill and Mountain Roads..................................4-25
HomeLink
®Wireless Control System.................2-44
HomeLink®Wireless Control System Operation.....2-45
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-21
I
Ignition Positions.............................................2-30
Infants and Young Children, Restraints...............1-37
Ination -- Tire Pressure..................................5-53
Instrument Panel
Brightness..................................................3-16
Cluster.......................................................3-32
Overview..................................................... 3-4
Interior Lamps Control.....................................3-17
6