2003 PONTIAC GRAND PRIX tire pressure

Don’t include the compact spare tire in your tire rotation.
After the tires have been rotated, adjust the front and
rear inflation pressures as shown on the Tire-Loading
Information label. Make certain that all wheel nuts
are properly tightened. See “Wheel Nut Torque” under
Capacities and Snncifjcations
on page 5- 102.
Rust or dirt on a wheel, or on ,,le parts to
which it is fastened, can make wheel nuts
become loose after a time. The wheel could
come
off and cause an accident. When you
change a wheel, remove any rust or dirt from
places where the wheel attaches to the vehicle.
In an emergency, you can use a cloth or a
paper towel to do this; but be sure to use a
scraper or wire brush later, if you need to, to
get all the rust or
dirt off. See “Changing a Flat
Tire”
in the Index.
When It Is Time for New Tires
One way to tell when it’s
time for new tires is to
check the treadwear
indicators, which will
appear when your
tires have only
1/16 inch (1.6 mm)
or less of tread
remaining.
You need a new tire
if any of the following statements
are true:
You can see the indicators at three or more places
around the tire.
You can see cord or fabric showing through the
0 The tread or sidewall is cracked, cut or snagged
tire’s rubber.
deep enough to show cord or fabric.
5-70

Compact Spare Tire
Although the compact spare tire was fully inflated when
your vehicle was new, it can lose air after a time.
Check the inflatior! pressure regularly.
!t should be
60 psi (420 kPa).
After installing the compact spare on your vehicle,
you should stop as soon as possible and make sure
your spare tire is correctly inflated. The compact spare
is made to perform well at speeds up to
65 mph
(105 km/h) for distances up to 3,000 miles (5 000 km),
so you can finish your trip and have your full-size
tire repaired or replaced where you want.
Of course,
it’s best to replace your spare with a full-size tire as soon
as you can. Your spare will last longer and be in good
shape in case you need
it again.
Notice: When the compact spare is installed, don’t
take your vehicle through an automatic car wash
with guide rails. The compact spare can get caught on the rails. That can damage the tire and wheel, and maybe other parts of your vehicle.
Don’t use your compact spare on other vehicles.
And don’t mix your compact spare tire or wheel with
other wheels or tires. They won’t fit. Keep your spare tire
and its wheel together.
Notice: Tire chains won’t fit your compact spare.
Using them can damage your vehicle and can
damage the chains too. Don’t use tire chains on
your compact spare.
5-87

82,500 Miles (137 500 km)
0 Rotate tires. See Tire Inspection and Rotation on
page
5-69 for proper rotation pattern and additional
information. (See footnote
+.)
90,000 Miles (150 000 km)
0 Replace engine air cleaner filter. An Emission
Control Service.
0 For supercharged engines only: Check the
supercharger oil level and add the proper
supercharger oil as needed (or every 36 months,
whichever occurs first). See Part D: Recommended
Fluids and Lubricants on page
6-15. An Emission
Control Service. (See footnote
f.)
Ll Rotate tires. See Tire Inspection and Rotation on
page 5-69 for proper rotation pattern and additional
information. (See footnote
+.)
97,500 Miles (162 500 km)
U Rotate tires. See Tire Inspection and Rotation on
page 5-69 for proper rotation pattern and additional
information. (See footnote
+.)
100,000 Miles (1 66 000 km)
0 Inspect spark plug wires. An Emission Control
0 Replace spark plugs. An Emission Control Service.
Service.
CI Change
automatic transaxle fluid and filter 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.
0 If you haven’t used your vehicle under severe service
conditions listed previously and, therefore, haven’t
changed your automatic transaxle fluid, change both
the fluid and filter.
150,000 Miles (240 000 km)
0 Drain, flush and refill cooling system (or every
60 months since last service, whichever occurs first).
See Engine Coolant on page
5-30 for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test the cooling system
and pressure cap. An Emission Control Service.
0 Inspect engine accessory drive belt. An Emission
Control Service.
6-8

Part B: Owner Checks and Services
Listed in this part are owner checks and services
which should be performed at the intervals specified to
help ensure the safety, dependability and emission
control performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any fluids 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 fuel fill.
Engine Oil bevel Check
Check the engine oil level and add the proper oil if
necessary. See Engine Oil on page 5-18 for further
details.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL@
coolant mixture
if necessary. See Engine Coolant
on page 5-30 for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the windshield
washer tank and add the proper fluid
if necessary.
See Windshield Washer Fluid on page 5-48 for
further details.
At Least Once a Month
Tire Inflation Check
Make sure tries are inflated to the correct pressures.
Don’t forget to check your spare tire. See Tires
on
page 5-68 for further details.
Cassette Tape Player Service
Clean cassette tape player. Cleaning should be done
every
50 hours of tape play. See Audio System(s)
on page 3-44 for further details.
6-9

If No Steam is Coming From Your Engine .......... 5-35
If Steam
Is Coming From Your Engine ............... 5-34
If the HUD Image
Is Not Clear ......................... 3-18
If the Light
Is Flashing ..................................... 3-33
If the Light
Is On Steady ................................. 3-33
If You Are Stuck in Sand, Mud, Ice or Snow
....... 4-32
If You Can’t See the HUD Image When the
Ignition
Is On .............................................. 3-18
If You
Do Decide To Pull A Trailer ..................... 4-38
Ignition Positions
............................................. 2-1 9
Ignition Transaxle Lock Check
.......................... 6-12
Infants and Young Children, Restraints
............... 1-32
Inflation
-- Tire Pressure ............................... 5-68
Inspection Brake System
........................... ........... 6-14
Engine Cooling System
................................ 6-13
Exhaust System
.......................................... 6-13
Fuel System
............................................... 6-13
Part C
- Periodic Maintenance ....................... 6-13
Steering, Suspension and Front Drive Axle
Boot and Seal
......................................... 6-1 3
Throttle System
........................................... 6-14
Cluster
....................................................... 3-24
Overview
..................................................... 3-2
Instrument Panel Brightness
............................. 3-1 2
If
You’re Caught in a Blizzard
........................... 4-29
Instrument Panel Instrument Panel
Fuse Block
........................ 5-98
Interior Plastic Components .............................. 5-90
Interior
Lamps
................................................ 3-12
Jump Starting
................................................. 5-53
Key Lock Cylinders Service .............................. 6-10
Keyless Entry System
....................................... 2-4
Keys
............................................................... 2-3
L
Lamps Exterior
............................................... 3-10
Interior
....................................................... 3-12
Lap Belt
........................................................ 1-21
Lap-Shoulder Belt
................................... 1.12. 1-23
Last Door Closed Locking
.......................... 2.9. 2-47
LATCH System Child Restraints
........................................... 1-41
Securing a Child Restraint Designed for
the LATCH System
................................... 1-43
Leather
......................................................... 5-90
Leaving Your Vehicle
....................................... 2-11
7

Steering ........................................................ 4-1 3
Steering in Emergencies
.................................. 4-14
Steering, Suspension and Front Drive Axle Boot
and Seal Inspection
..................................... 6-13
Steering
Tips .................................................. 4-13
Steering Wheel Controls, Audio
......................... 3-56
Storage Areas Center Console Storage Area
........................ 2-40
Convenience Net
......................................... 2-41
Glove Box
.................................................. 2-40
Overhead Console
....................................... 2-40
Purse or Litter Bag Holder
............................ 2-41
Rear Storage Area
....................................... 2-41
Trunk Access Panel
..................................... 2-41
Storing the Flat Tire and Tools
.......................... 5-85
Storing the Spare Tire and Tools
....................... 5-86
Stuck in Sand, Mud, Ice or Snow
...................... 4-32
Sun Visors
................................... ........... 2-14
Sunglasses Storage Compartment
.................. 2-40
Sunroof
......................................................... 2-42
Supplemental Restraint System
(SRS) ............... 1-51
How Does an Air Bag Restrain?
.................... 1-55
Servicing Your Air Bag-Equipped Vehicle
......... 1-57
What Makes an Air Bag Inflate?
.................... 1-55
What Will You See After an Air Bag
Inflates?
.................................................. 1-56
When Should an Air Bag Inflate?
................... 1-55
Where Are the Air Bags?
.............................. 1-53
T
Tachometer .................................................... 3-25
Taillamps Sidemarker
and Back-up Lamps .................... 5-64
TCS Warning Light
.......................................... 3-29
Temperature Display
................................ 2.34. 2-35
Theft.Deterrent. Radio
..................................... 3-54
Theft-Deterrent Systems
................................... 2-15
Content Theft-Deterrent
................................ 2-15
PASS-Key@
Ill ............................................. 2-16
Throttle System Inspection
............................... 6-14
Tilt Wheel
........................................................ 3-4
Tire Inflation Check
........................................... 6-9
Tires
..................................................... 5-68, 5-93
Buying New Tires
........................................ 5-71
Chains ....................................................... 5-75
Changing a Flat Tire
.................................... 5-76
Compact Spare Tire
..................................... 5-87
If a Tire Goes Flat
....................................... 5-76
Inflation
-- Tire Pressure ............................... 5-68
Inspection and Rotation
................................ 5-69
Uniform Tire Quality Grading
......................... 5-72
Wheel Alignment and Tire Balance
................. 5-73
Wheel Replacement
..................................... 5-73
When It
Is Time for New Tires ...................... 5-70
PASS-Key@
Ill Operation .............................. 2-17
13