2006 BUICK RANDEZVOUS check engine

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 6-12.
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.
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 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 5-51for 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 5-60.
6-9

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 2-26.
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.
Automatic Transaxle Shift Lock Control
System 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. It should be parked on a level
surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 2-26.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the ignition to ON, but do
not start the engine. Without applying the regular
brake, try to move the shift lever out of PARK (P)
with normal effort. If the shift lever moves out
of PARK (P), contact your GM Goodwrench
®dealer
for service.
6-10

Ignition Transaxle Lock Check
While parked, and with the parking brake set, try to turn
the ignition to OFF in each shift lever position.
The ignition should turn to OFF only when the shift
lever is in PARK (P).
The key should come out only in OFF.
Contact your GM Goodwrench
®dealer if service is
required.
Parking Brake and Automatic Transaxle
Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.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.
6-11

Chains, Tire...................................................5-67
Change Engine Oil Message............................3-55
Charging System Indicator Message..................3-53
Check
Engine Light...............................................3-46
Tire Pressure System...................................5-59
Check Gas Cap Message................................3-56
Checking Things Under the Hood....................... 5-9
Chemical Paint Spotting...................................5-97
Child Restraints
Child Restraint Systems...............................1-51
Infants and Young Children...........................1-48
Lower Anchors and Tethers for Children..........1-55
Older Children.............................................1-45
Securing a Child Restraint in a
Rear Outside Seat Position........................1-65
Securing a Child Restraint in the
Center Rear Seat Position.........................1-67
Securing a Child Restraint in the
Right Front Seat Position..........................1-69
Where to Put the Restraint...........................1-54
Cigarette Lighter.............................................3-27
Cleaning
Aluminum or Chrome-Plated Wheels..............5-96
Exterior Lamps/Lenses.................................5-94
Fabric/Carpet..............................................5-92
Finish Care.................................................5-95
Inside of Your Vehicle..................................5-91
Instrument Panel, Vinyl, and Other
Plastic Surfaces.......................................5-93Cleaning (cont.)
Leather......................................................5-93
Tires..........................................................5-96
Underbody Maintenance...............................5-97
Washing Your Vehicle...................................5-94
Weatherstrips..............................................5-94
Windshield, Backglass, and Wiper Blades.......5-95
Climate Control System...................................3-28
Dual..........................................................3-30
Dual Automatic............................................3-33
Outlet Adjustment........................................3-36
Collision Damage Repair..................................7-10
Comfort Guides, Rear Safety Belt.....................1-42
Compact Spare Tire........................................5-90
Content Theft-Deterrent....................................2-15
Control of a Vehicle.......................................... 4-7
Convenience Center, Rear...............................2-43
Convenience Net............................................2-43
Coolant
Engine Temperature Gage............................3-46
Engine Temperature Warning Message...........3-52
Heater, Engine............................................2-22
SGCM, Surge Tank Pressure Cap..................3-51
Cooling System..............................................5-26
Cruise Control................................................3-10
Cupholder(s)..................................................2-38
Customer Assistance Information
Courtesy Transportation.................................. 7-7
Customer Assistance for Text
Telephone (TTY) Users............................... 7-4
3

Electrical System (cont.)
Underhood Fuse Block...............................5-103
Windshield Wiper Fuses.............................5-100
Engine
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-37
Change Oil Message...................................3-55
Check and Service Engine Soon Light............3-46
Coolant......................................................5-21
Coolant Heater............................................2-22
Coolant Temperature Gage...........................3-46
Coolant Temperature Warning Message..........3-52
Engine Compartment Overview......................5-10
Exhaust.....................................................2-29
Oil .............................................................5-13
Oil Life System...........................................5-16
Overheated Protection Operating Mode...........5-25
Overheating................................................5-23
Reduced Power Message.............................3-53
Starting......................................................2-21
Entry Lighting.................................................3-17
Event Data Recorders (EDR)............................. 7-9
Exit Delay, Headlamp......................................3-17
Exit Lighting...................................................3-18
Extender, Safety Belt.......................................1-45
Exterior Lamps...............................................3-14F
Filter
Engine Air Cleaner......................................5-18
Finish Damage...............................................5-97
Fixed Mast Antenna.......................................3-135
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-69
Flat Tire, Changing.........................................5-70
Flat Tire, Storing.............................................5-84
Fluid
Automatic Transaxle.....................................5-19
Power Steering...........................................5-32
Windshield Washer......................................5-33
Fog Lamps....................................................3-15
Front Armrest Storage Area..............................2-39
Front Console Storage Area.............................2-39
Front Reading Lamps......................................3-19
Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-8
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-6
Gage.........................................................3-50
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-5
Low Warning Message.................................3-57
5

Fuses
Floor Console Fuse Block...........................5-101
Fuses and Circuit Breakers.........................5-101
Underhood Fuse Block...............................5-103
Windshield Wiper.......................................5-100
G
Gage
Engine Coolant Temperature.........................3-46
Fuel..........................................................3-50
Speedometer..............................................3-39
Tachometer.................................................3-40
Garage Door Opener.......................................2-34
Gas, Check Cap Message...............................3-56
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Glove Box.....................................................2-38
GM Mobility Reimbursement Program.................. 7-5
H
Hatch Ajar Warning Message............................3-55
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-8
Headlamp Wiring...........................................5-100Headlamps
Automatic Headlamp System.........................3-15
Bulb Replacement.......................................5-44
Daytime Running Lamps...............................3-14
Exit Delay..................................................3-17
Flash-to-Pass............................................... 3-8
Halogen Bulbs............................................5-44
Headlamps, Front Turn Signal, Sidemarker,
and Parking Lamps..................................5-45
High/Low Beam Changer................................ 3-8
Head-Up Display (HUD)...................................3-21
Heated Seats................................................... 1-5
Heater...................................................3-28, 3-30
Heater...........................................................3-33
Highbeam Out Warning Message......................3-60
Highway Hypnosis...........................................4-24
Hill and Mountain Roads..................................4-24
Hood
Checking Things Under.................................. 5-9
Release....................................................... 5-9
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-27
6

Locks (cont.)
Power Door.................................................. 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-10
Loss of Control...............................................4-16
Low Brake Fluid Warning Message....................3-58
Low Fuel Warning Message.............................3-57
Low Oil Pressure Message...............................3-54
Low Washer Fluid Warning Message.................3-57
Lumbar
Manual Controls............................................ 1-5
M
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-9
At Least Once a Month.................................. 6-9
At Least Once a Year..................................6-10
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........................... 6-9
Recommended Fluids and Lubricants.............6-12
Scheduled Maintenance................................. 6-4Maintenance Schedule (cont.)
Using.......................................................... 6-3
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-46
Manual Lumbar Controls.................................... 1-5
Manual Seats................................................... 1-3
Memory Seat.................................................2-47
Message
All-Wheel Drive Disable Warning....................3-56
Center.......................................................3-51
Change Engine Oil......................................3-55
Charging System Indicator............................3-53
Check Gas Cap..........................................3-56
Door Ajar Warning.......................................3-55
Engine Coolant Temperature Warning.............3-52
Highbeam Out Warning................................3-60
Low Brake Fluid Warning..............................3-58
Low Fuel Warning.......................................3-57
Low Oil Pressure.........................................3-54
Low Washer Fluid Warning...........................3-57
Park Lamp Warning.....................................3-60
PASS-Key
®III Security.................................3-56
Program Mode............................................3-59
Rear Hatch Ajar Warning..............................3-55
Reduced Engine Power................................3-53
Remote Keyless Entry Transmitter
Battery Low Warning................................3-59
8

Message (cont.)
Service Traction System Warning...................3-51
Service Vehicle Soon...................................3-58
Traction Active............................................3-52
Mirrors
Manual Rearview Mirror................................2-31
Outside Convex Mirror.................................2-32
Outside Curb View Assist Mirror....................2-31
Outside Heated Mirrors................................2-32
Outside Power Mirror...................................2-31
MyGMLink.com................................................ 7-3
N
Navigation/Radio System, see Navigation
Manual.....................................................3-114
New Vehicle Break-In......................................2-19
Normal Maintenance Replacement Parts............6-13
O
Odometer......................................................3-39
Odometer, Trip...............................................3-39
Off-Road Recovery..........................................4-14
Oil
Engine.......................................................5-13
Pressure Message.......................................3-54
Oil, Engine Oil Life System..............................5-16
Older Children, Restraints................................1-45Online Owner Center........................................ 7-3
OnStar
®System, see OnStar®Manual...............2-32
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-36
Outside
Convex Mirror.............................................2-32
Curb View Assist Mirror................................2-31
Heated Mirrors............................................2-32
Power Mirror...............................................2-31
Overhead Console..........................................2-39
Overheated Engine Protection Operating Mode.....5-25
Owner Checks and Services.............................. 6-9
Owners, Canadian............................................... ii
P
Park Aid........................................................3-24
Park Lamp Warning Message...........................3-60
Park (P)
Shifting Into................................................2-27
Shifting Out of............................................2-28
Parking
Assist........................................................3-24
Brake........................................................2-26
Over Things That Burn.................................2-29
Passenger Airbag Status Indicator.....................3-42
Passenger Sensing System..............................1-81
Passing.........................................................4-15
PASS-Key
®III ................................................2-17
9