oil BUICK REGAL 2003 Service Manual

Part B: Owner Checks and Services
Listed in this part are owner checks and services
which should be performed at the intervals specied to
help ensure the safety, dependability and emission
control performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever anyuids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in Part D.
At Each Fuel Fill
It is important for you or a service station attendant to
perform these underhood checks at each fuelll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-13for further
details.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-22for further details.
Windshield Washer Fluid Level Check
Check the windshield washeruid level in the windshield
washer tank and add the properuid if necessary.
SeeWindshield Washer Fluid on page 5-38for further
details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inated to the correct pressures.
Don’t forget to check your spare tire. SeeTires on
page 5-56for further details.
Cassette Tape Player Service
Clean cassette tape player. Cleaning should be done
every 50 hours of tape play. SeeAudio System(s)
on page 3-44for further details.
6-10
2003 - Regal OM

Part D: 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 with the American
Petroleum Institute Certied for
Gasoline Engines starburst symbol
of the proper viscosity. To determine
the preferred viscosity for your
vehicle’s engine, seeEngine Oil on
page 5-13.
Engine Coolant50/50 mixture of clean, drinkable
water and use only
DEX-COOL
®Coolant. SeeEngine
Coolant on page 5-22.
Hydraulic Brake
SystemDelco Supreme 11 Brake Fluid or
equivalent DOT-3 brakeuid.
Windshield
Washer SolventGM Optikleen
®Washer Solvent or
equivalent.
Usage Fluid/Lubricant
Power Steering
SystemGM Power Steering Fluid (GM Part
No. U.S. 1052884, in Canada
993294, or equivalent).
Automatic
TransaxleDEXRON
®-III Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474, or equivalent).
SuperchargerSupercharger Oil (GM Part No. U.S.
12345982, in Canada 10953513).
SeeSupercharger Oil on page 5-18.
Hood Latch
Assembly,
Secondary
Latch, Pivots,
Spring Anchor
and Release
PawlLubriplate Lubricant Aerosol (GM
Part No. U.S. 12346293, in Canada
992723, or equivalent) 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 10953474, or equivalent).
Weatherstrip
ConditioningDielectric Silicone Grease (GM Part
No. U.S. 12345579, in Canada
10953014, or equivalent).
6-16
2003 - Regal OM

Center High-Mounted Stoplamp (CHMSL)...........5-52
Center Passenger Position, Safety Belts.............1-20
Chains, Tires..................................................5-65
Charging System Light....................................3-31
Check
Engine Light...............................................3-35
Checking Coolant............................................5-23
Checking Engine Oil........................................5-13
Checking Things Under the Hood....................... 5-8
Checking Your Restraint Systems......................1-54
Chemical Paint Spotting...................................5-83
Child Restraints
Child Restraint Systems...............................1-32
Infants and Young Children...........................1-29
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-38
Older Children.............................................1-27
Securing a Child Restraint Designed for the
LATCH System........................................1-40
Securing a Child Restraint in a Center Rear
Seat Position...........................................1-42
Securing a Child Restraint in a Rear Outside
Seat Position...........................................1-40
Securing a Child Restraint in the Right Front
Seat Position...........................................1-44
Top Strap...................................................1-36
Top Strap Anchor Location............................1-37
Where to Put the Restraint...........................1-35Cigarette Lighter
.............................................3-17
Cleaning
Inside of Your Vehicle
..................................5-78
Outside of Your Vehicle
................................5-80
Underbody Maintenance
...............................5-83
Weatherstrips
..............................................5-80
Cleaning Exterior Lamps/Lenses
.......................5-81
Climate Control System
Air Filter, Passenger Compartment
.................3-24
Dual
..........................................................3-17
Dual Automatic
............................................3-20
Outlet Adjustment
........................................3-24
Compact Disc Messages
..................................3-54
Compact Spare Tire
........................................5-77
Control Buttons
...............................................3-43
Control of a Vehicle
.......................................... 4-5
Convenience Net
............................................2-36
Coolant
Engine Temperature Gage
............................3-34
Engine Temperature Warning Light
.................3-34
Heater, Engine
............................................2-20
Cooling System
..............................................5-28
Cornering Lamps
............................................3-13
Courtesy Lamps
.............................................3-13
Cruise Control
.................................................. 3-8
Cruise Control Light
........................................3-40
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2003 - Regal OM

E
Electrical System
Add-On Equipment......................................5-86
Fuses and Circuit Breakers...........................5-87
Headlamp Wiring.........................................5-86
Power Windows and Other Power Options......5-86
Windshield Wiper Fuses...............................5-86
Emergency Trunk Release Handle.....................2-13
Emissions Inspection and Maintenance
Programs...................................................3-37
Engine
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-42
Change Engine Oil Light...............................3-39
Check and Service Engine Soon Light............3-35
Compartment Overview................................5-10
Coolant......................................................5-22
Coolant Heater............................................2-20
Coolant Temperature Gage...........................3-34
Coolant Temperature Warning Light................3-34
Cooling System Inspection............................6-15
Exhaust
.....................................................2-29
Oil
.............................................................5-13
Overheating
................................................5-25
Starting
......................................................2-19
Supercharger Oil
.........................................5-18
Engine Coolant Level Check
.............................6-10Engine Cooling When Trailer Towing..................4-41
Engine Oil Additives........................................5-16
Engine Oil Level Check...................................6-10
Entry Lighting.................................................3-13
Express-Down Window....................................2-15
Extender, Safety Belt.......................................1-26
Exterior Lamps...............................................3-10
F
Fabric/Carpet.................................................5-78
Filter
Engine Air Cleaner......................................5-18
Finding a Station....................................3-46, 3-50
Finish Care....................................................5-81
Finish Damage...............................................5-83
Flash-to-Pass................................................... 3-7
Flat Tire........................................................5-66
Flat Tire, Changing.........................................5-66
Fluid
Automatic Transaxle.....................................5-20
Power Steering...........................................5-36
Windshield Washer......................................5-38
FM ...............................................................3-57
Fog Lamps ....................................................3-13
Folding Rear Seat............................................ 1-6
Following Distance..........................................4-39
Footnotes........................................................ 6-5
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2003 - Regal OM

How to Add Coolant to the Coolant
Recovery Tank............................................5-30
How to Add Coolant to the Radiator..................5-31
How to Add Fluid............................................5-21
How to Check........................................5-20, 5-57
How to Check and Add Oil...............................5-18
How to Check Power Steering Fluid..................5-37
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-11
Hydroplaning..................................................4-20
I
If No Steam Is Coming From Your Engine..........5-27
If Steam Is Coming From Your Engine...............5-26
If the Light Is Flashing.....................................3-36
If the Light Is On Steady.................................3-37
If You Are Stuck in Sand, Mud, Ice or Snow
.......4-30
If You Do Decide To Pull A Trailer
.....................4-36
If You’re Caught in a Blizzard
...........................4-28
Ignition Positions
.............................................2-18
Ignition Transaxle Lock Check
..........................6-13
Illumination on Remote Activation
........................ 2-7
Infants and Young Children, Restraints
...............1-29
Inflation -- Tire Pressure
..................................5-57Inspection
Brake System.............................................6-15
Engine Cooling System................................6-15
Exhaust System..........................................6-14
Fuel System...............................................6-15
Part C - Periodic Maintenance.......................6-14
Steering, Suspension and Front Drive Axle
Boot and Seal.........................................6-14
Throttle System...........................................6-15
Instrument Panel
Cluster.......................................................3-27
Overview..................................................... 3-2
Instrument Panel Brightness.............................3-13
Instrument Panel Fuse Block............................5-87
Interior Lamps................................................3-13
Interior Plastic Components..............................5-80
J
Jump Starting.................................................5-43
K
Key Lock Cylinders Service..............................6-11
Keyless Entry System....................................... 2-3
Keys............................................................... 2-2
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2003 - Regal OM

L
Lamps
Exterior......................................................3-10
Interior.......................................................3-13
Lap Belt........................................................1-20
Lap-Shoulder Belt...................................1-12, 1-22
LATCH System
Child Restraints...........................................1-38
Securing a Child Restraint Designed for
the LATCH System...................................1-40
Leather.........................................................5-79
Leaving Your Vehicle.......................................2-11
Leaving Your Vehicle With the Engine Running......2-26
Light
Air Bag Readiness.......................................3-30
Anti-Lock Brake System Warning...................3-32
Brake System Warning.................................3-31
Change Engine Oil......................................3-39
Charging System.........................................3-31
Cruise Control.............................................3-40
Door/Trunk Ajar Warning...............................3-40
Engine Coolant Temperature Warning.............3-34
Low Fuel Warning.......................................3-42
Low Oil Level.............................................3-39Light (cont.)
Low Traction...............................................3-33
Low Washer Fluid Warning...........................3-40
Malfunction Indicator....................................3-35
Oil Pressure...............................................3-38
Safety Belt Reminder...................................3-29
Security.....................................................3-40
Service Vehicle Soon...................................3-41
TCS Warning Light......................................3-33
Tire Pressure..............................................3-35
Traction Control System (TCS) Warning..........3-33
Lighted Visor Vanity Mirrors..............................2-15
Loading Your Vehicle
.......................................4-33
Lockout Protection
..........................................2-11
Locks
Door
........................................................... 2-9
Leaving Your Vehicle
....................................2-11
Lockout Protection
.......................................2-11
Power Door
................................................2-10
Programmable Automatic Door Locks
.............2-10
Loss of Control
...............................................4-15
Low Fuel Warning Light
...................................3-42
Low Traction Light
..........................................3-33
Low Washer Fluid Warning Light
.......................3-40
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2003 - Regal OM

O
Odometer......................................................3-28
Off-Road Recovery..........................................4-14
Oil
Change Engine Oil Light...............................3-39
Engine.......................................................5-13
Low Oil Level Light......................................3-39
Pressure Light.............................................3-38
Supercharger, Engine...................................5-18
Older Children, Restraints................................1-27
Online Owner Center........................................ 7-3
OnStar
®Personal Calling.................................2-34
OnStar®Services............................................2-34
OnStar®System.............................................2-34
OnStar®Virtual Advisor....................................2-35
Operation Tips................................................3-24
Other Warning Devices...................................... 3-4
Outlet Adjustment............................................3-24
Outside
Convex Mirror.............................................2-33
Power Foldaway Mirrors...............................2-33
Overheated Engine Protection Operating Mode.....5-25
Overseas–Customer Assistance........................ 7-5
Owners, Canadian............................................... ii
Owner’s Information........................................7-11
P
Park (P)
Shifting Into................................................2-25
Shifting Out of............................................2-25
Parking
Brake........................................................2-24
Over Things That Burn.................................2-28
Parking Brake and Automatic Transaxle
Park (P) Mechanism Check...........................6-13
Parking on Hills..............................................4-40
Part A - Scheduled Maintenance Services............ 6-4
Part B - Owner Checks and Services................6-10
Part C - Periodic Maintenance Inspections..........6-14
Part D - Recommended Fluids and Lubricants.......6-16
PartE-Maintenance Record
...........................6-17
Passenger Compartment Air Filter
.....................3-24
Passenger Control
..........................................3-23
Passing
.................................................4-14, 4-39
PASS-Key
®II
.................................................2-16
Perimeter Lighting
...........................................3-14
Plan Ahead When Possible
................................ 7-8
Playing a Cassette Tape
..........................3-47, 3-51
Playing a Compact Disc
...................................3-53
Playing the Radio
...................................3-46, 3-49
10
2003 - Regal OM

U
Underbody Flushing Service.............................6-13
Underhood Fuse Block....................................5-90
Understanding Radio Reception........................3-57
Uniform Tire Quality Grading............................5-62
United States–Customer Assistance.................. 7-4
Unlocking the Theft-Deterrent Feature After a
Power Loss................................................3-55
Used Replacement Wheels..............................5-64
Using Cleaner on Fabric..................................5-79
V
Vehicle
Control........................................................ 4-5
Damage Warnings........................................... iv
Loading......................................................4-33
Service Soon Light......................................3-41
Symbols......................................................... iv
Vehicle Identification
Number (VIN).............................................5-85
Service Parts Identification Label...................5-86
Vehicle Storage..............................................5-42
Ventilation Adjustment
......................................3-24Vinyl.............................................................5-79
Visor Vanity Mirror..........................................2-15
Visors...........................................................2-15
W
Warning Lights, Gages and Indicators................3-26
Warnings
Hazard Warning Flashers............................... 3-4
Other Warning Devices.................................. 3-4
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Washer Fluid, Low Warning Light......................3-40
Washing Your Vehicle......................................5-81
Weatherstrip Lubrication...................................6-11
Weight of the Trailer........................................4-36
Weight of the Trailer Tongue.............................4-37
What Kind of Engine Oil to Use........................5-15
What Kind of Oil to Use..................................5-18
What to Do with Used Oil ................................5-17
What to Use ..................................5-23, 5-37, 5-38
Wheels
Alignment and Tire Balance..........................5-63
Replacement...............................................5-63
When to Add Engine Oil..................................5-14
15
2003 - Regal OM

When to Change Engine Oil
(GM Oil Life System)...................................5-16
When to Check......................................5-18, 5-57
When to Check and Change............................5-20
When to Check Power Steering Fluid................5-37
When You Are Ready to Leave After Parking
on a Hill .....................................................4-41
Where to Put the Restraint...............................1-35
Why Safety Belts Work
..................................... 1-8
Window Lock-Out
............................................2-15
Windows
.......................................................2-14
Power
........................................................2-15
Windshield and Wiper Blades
...........................5-82Windshield Washer........................................... 3-8
Fluid..........................................................5-38
Windshield Washer Fluid Level Check................6-10
Windshield Wiper
Blade Replacement......................................5-55
Fuses........................................................5-86
Windshield Wipers............................................ 3-7
Winter Driving................................................4-26
Wiper Blade Check.........................................6-11
Y
Your Vehicle and the Environment....................... 6-2
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2003 - Regal OM