2006 BUICK TERRAZA engine oil

(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 5-24 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.
(l)If you drive regularly under dusty conditions, the lter
may require replacement more often.
(m)Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.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 5-15for 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 5-24for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer uid reservoir 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 5-54for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-70.
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 5-61.
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 2-39.
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 vehicle
should start only in PARK (P) or NEUTRAL (N). If
the vehicle starts 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, seeEngine Oil on
page 5-15.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 5-24.
Hydraulic Brake
SystemDelco
®Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
WasherGM Optikleen
®Washer Solvent.
Power Steering
SystemGM Power Steering Fluid
(GM Part No. U.S. 89021184, in
Canada 89021186).
6-11

Normal Maintenance Replacement Parts
Replacement parts identied below by name, part number, or specication can be obtained from your dealer.
Part GM Part Number ACDelco®Part Number
Engine Air Cleaner/Filter
3.5L V6 Engine 10354945 —
3.9L V6 Engine 15222510 —
Engine Oil Filter
3.5L V6 Engine 25010792 PF47
3.9L V6 Engine 89017342 PF61
Passenger Compartment Air Filter 10322538 CF123
Spark Plugs
3.5L V6 Engine 12568387 41-101
3.9L V6 Engine 12591131 41-100
Windshield Wiper Blades
Driver’s Side — 22.0 inches (55.0 cm) 12335833 —
Passenger’s Side — 24.0 inches (60.0 cm) 12335834 —
Rear — 16.0 inches (40.0 cm) 15192147 —
6-13

E
Eight-Way Power Seats..................................... 1-3
Electrical System
Add-On Equipment......................................5-95
Fuses and Circuit Breakers...........................5-96
Headlamp Wiring.........................................5-96
Instrument Panel Fuse Block.........................5-96
Power Windows and Other Power Options......5-96
Underhood Fuse Block.................................5-98
Windshield Wiper Fuses...............................5-96
Engine
Air Cleaner/Filter.........................................5-20
Battery.......................................................5-42
Check and Service Engine Soon Light............3-44
Coolant......................................................5-24
Coolant Heater............................................2-34
Coolant Temperature Gage...........................3-43
Engine Compartment Overview......................5-12
Exhaust.....................................................2-42
Oil .............................................................5-15
Oil Life System...........................................5-18
Overheated Protection Operating Mode...........5-29
Overheating................................................5-27
Starting......................................................2-33Entry Lighting.................................................3-19
Event Data Recorders (EDR)............................7-10
Exit Lighting...................................................3-20
Extender, Safety Belt.......................................1-34
Exterior Lamps...............................................3-15
F
Filter
Engine Air Cleaner......................................5-20
Finish Damage...............................................5-93
Fixed Mast Antenna.......................................3-119
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-70
Flat Tire, Changing.........................................5-70
Flat Tire, Storing.............................................5-83
Fluid
Automatic Transaxle.....................................5-22
Power Steering...........................................5-37
Windshield Washer......................................5-38
Folding Tray...................................................2-54
Front Console Storage Area.............................2-53
Front Reading Lamps......................................3-20
5

O
Odometer......................................................3-36
Odometer, Trip...............................................3-36
Off-Road Recovery..........................................4-15
Oil
Engine.......................................................5-15
Pressure Light.............................................3-46
Oil, Engine Oil Life System..............................5-18
Older Children, Restraints................................1-34
Online Owner Center........................................ 7-4
OnStar
®System, see OnStar®Manual...............2-45
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-29
Outside
Convex Mirror.............................................2-44
Heated Mirrors............................................2-44
Power Mirrors.............................................2-44
Overhead Console..................................2-52, 2-53
Overhead Console Switchbank..........................3-21
Overheated Engine Protection Operating Mode . . . 5-29
Owner Checks and Services.............................. 6-8
Owners, Canadian............................................... ii
P
Park Aid........................................................3-22
Park (P)
Shifting Into................................................2-40
Shifting Out of............................................2-41
Parking
Assist........................................................3-22
Brake........................................................2-39
Over Things That Burn.................................2-41
Passenger Airbag Status Indicator.....................3-39
Passenger Compartment Air Filter.....................3-32
Passenger Sensing System..............................1-66
Passing.........................................................4-15
PASS-Key
®III ................................................2-30
PASS-Key®III Operation..................................2-30
Power
Accessory Outlet(s)......................................3-24
Door Locks.................................................2-12
Eight-Way Seats........................................... 1-3
Electrical System.........................................5-96
Outlet 115 Volt Alternating Current.................3-25
Rear Quarter Windows.................................2-27
9