2004 DODGE INTREPID Owners Manual

2. Economy—
Improper inflation pressures can cause uneven wear
patterns to develop across the tire tread. These abnormal
wear patterns will reduce tread life resulting in a need for
earlier tire replacement. Under inflation also increases
tire rolling resistance and results in higher fuel consump-
tion.
3. Ride Comfort and Vehicle Stability—
Proper tire inflation contributes to a comfortable ride.
Over inflation produces a jarring and uncomfortable ride.
Both under-inflation and over inflation affect the stability
of the vehicle and can produce a feeling of sluggish
response or over-responsiveness in the steering.
Unequal tire pressures can cause erratic and unpredict-
able steering response.
Unequal tire pressure from side to side may cause the
vehicle to drift left or right.
Tire Inflation Pressures
The proper tire pressure for your vehicle is listed on a
label attached to the rear face of the driver’s door. The
pressure should be checked and adjusted at least once
every month. Check more often if subject to a wide range
of outdoor temperatures, as tire pressures vary with
temperature changes.
Inflation pressures specified on the label are always “cold
inflation pressure”. Cold inflation pressure is defined as
the tire pressure after the vehicle has not been driven for
at least 3 hours, or driven less than a mile after a 3 hour
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period. The cold inflation pressure must not exceed the
maximum values molded into the tire side wall.
Tire pressure may increase from 2 to 6 psi [.13 to.41
bars](14 to 41 kPa) during operation. Do NOT reduce this
normal pressure build up or your tire pressure will be too
low.
The tire pressures shown on the tire label apply only to
the tire sizes listed on the label.
High Speed Operation
The manufacturer advocates driving at safe speeds
within posted speed limits. Where speed limits or condi-
tions are such that the vehicle can be driven at high
speeds, correct tire inflation pressure is very important.
WARNING!
High speed driving with your vehicle under load is
dangerous. The added strain on your tires could
cause them to fail. You could have a serious accident.
Don’t drive a vehicle loaded to the maximum capac-
ity at continuous speeds above 75 mph (120 km/h).
Radial-Ply Tires
WARNING!
Combining radial ply tires with other tires on your
vehicle will cause your vehicle to handle poorly. The
instability could cause an accident. Always use ra-
dial tires in sets of four. Never combine them with
other types of tires.
Cuts and punctures in radial tires are repairable only in
the tread area because of sidewall flexing. Consult your
tire dealer for radial tire repairs.
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Compact Spare Tire
Maintain the compact spare tire inflation pressure at 60
psi [4.1 bars](414 kPa). Do not exceed 50 mph (80 km/h)
while the compact spare is installed on the vehicle.
Do not install a wheel cover or attempt to mount a
conventional tire on the compact spare wheel, since the
wheel is designed specifically for the compact spare.
Because of the reduced ground clearance, do not take
your vehicle through an automatic car wash with the
compact spare installed.WARNING!
Temporary-use spare tires are for emergency use
only. With the compact spare tire assembly installed
on your vehicle, do not exceed 50 mph (80 km/h ).
Vehicle handling and braking performance will be
reduced. Also, do not drive more than 50 miles (80
km) with the compact spare installed. Failure to
follow compact spare tire warning may result in an
accident and/or fatal injury. Temporary-use spare
tires have a total tread life of 2,000 miles (3 200 km).
Be sure to follow the warnings, which apply to your
spare. Failure to do so could result in spare tire
failure and loss of vehicle control.
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Tire Spinning
When stuck in mud, sand, snow, or ice conditions, do not
spin your vehicle’s wheels above 30 mph. (48 km/h).
See the paragraph on Freeing A Stuck Vehicle in section 6
of this manual.
WARNING!
Fast spinning tires can be dangerous. Forces gener-
ated by excessive wheel speeds may cause tire dam-
age or failure. A tire could explode and injure
someone. Do not spin your vehicle’s wheels faster
than 30 mph (48 km/h) when you are stuck. And
don’t let anyone near a spinning wheel, no matter
what the speed.
Tire Chains
Due to limited clearance, tire chains are not recom-
mended.
CAUTION!
Damage to the vehicle may result if tire chains are
used.
Snow Tires
Some areas of the country require the use of snow tires
during winter. Standard tires are of the all season type
and satisfy this requirement as indicated by the M+S
designation on the tire sidewall.
If you need snow tires, see the tire pressure label for
size(s) and inflation pressure(s).
Snow tires may have a lower speed rating than factory
equipped tires and may not match the maximum vehicle
speed.
Snow tires should not be operated at sustained speeds
over 75 mph (120 km/h).
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Tread Wear Indicators
Tread wear indicators are in the original equipment tires
to help you in determining when your tires should be
replaced.
These indicators are molded into the bottom of the tread
grooves and will appear as bands when the tread depth
becomes 1/16 inch (2 mm). When the indicators appear
in 2 or more adjacent grooves, the tire should be replaced.
Many states have laws requiring tire replacement at this
point.
Replacement Tires
The tires on your new vehicle provide a balance of many
characteristics. They should be inspected regularly for
wear and correct inflation pressure. The manufacturer
strongly recommends that you use tires equivalent to the
originals in size, quality and performance when replace-
ment is needed (see the paragraph on tread wear indica-
tors). Failure to use equivalent replacement tires may
adversely affect the safety, handling, and ride of your
vehicle. We recommend that you contact your original
equipment dealer on any questions you may have on tire
specifications or capability.
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WARNING!
•Do not use a tire, wheel size or rating other than
that specified for your vehicle. Some combinations
of unapproved tires and wheels may change sus-
pension dimensions and performance characteris-
tics, resulting in changes to steering, handling, and
braking of your vehicle. This can cause unpredict-
able handling and stress to steering and suspen-
sion components. You could lose control and have
an accident resulting in serious injury or death. Use
only the tire and wheel sizes with load ratings
approved for your vehicle.
•Never use a tire smaller than the minimum tire size
listed on your vehicle’s tire label located on the
driver’s door. Using a smaller tire could result in
tire overloading and failure. You could lose control
and have an accident.
•Failure to equip your vehicle with tires having
adequate speed capability can result in sudden tire
failure and loss of vehicle control.
•Overloading your tires is dangerous. Like under
inflation, overloading can cause tire failure. Use
tires of the recommended load capacity for your
vehicle and never overload them.
CAUTION!
Replacing original tires with tires of a different size
may result in false speedometer and odometer read-
ings. Check with your dealer before replacing tires
with a different size.
Tire Rotation Recommendations
Tires on the front and rear axles of vehicles operate at
different loads and perform different steering, driving
and braking functions. For these reasons, they wear at
unequal rates, and tend to develop irregular wear pat-
terns.
These effects can be reduced by timely rotation of tires.
The benefits of rotation are especially worthwhile with
aggressive tread designs such as those on all season type
tires. Rotation will increase tread life, help to maintain
mud, snow and wet traction levels, and contribute to a
smooth, quiet ride.
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Rotate your tires at intervals shown on the maintenance
schedules. More frequent rotation is permissible if de-
sired. The reasons for any rapid or unusual wear should
be corrected before rotating.
The suggested rotation method is the “forward-cross”
shown in the diagram.
Alignment And Balance
The suspension components of your vehicle should be
inspected and aligned when needed to obtain full tire
tread mileage.
Poor suspension alignment may result in:
•fast tire wear;
•uneven tire wear, such as feathering and one-sided
wear;
•vehicle pull to right or left.
Tires may also cause vehicle to pull to the left or right.
Alignment will not correct this condition. See your dealer
for proper diagnosis.
Improper alignment will not cause vehicle vibration.
Vehicle vibration may be a result of tire and wheel
out-of-balance. Proper balancing will reduce vibration
and avoid tire cupping and spotty wear.
FUEL REQUIREMENTS
Your engine is designed to meet all emis-
sions regulations and provide excellent
fuel economy and performance when us-
ing high quality regular unleaded gasoline
having an octane rating of 87. The use of
premium gasoline is not recommended.
The use of premium gasoline will provide no benefit over
high quality regular and mid-grade gasolines, and in
some circumstances may result in poorer performance.
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Light spark knock at low engine speeds is not harmful to
your engine. However, continued heavy spark knock at
high speeds can cause damage and should be reported to
your dealer immediately. Engine damage resulting from
operating with a heavy spark knock may not be covered
by the new vehicle warranty.
Poor quality gasoline can cause problems such as hard
starting, stalling and stumble. If you experience these
problems, try another brand of regular gasoline before
considering service for the vehicle.
Over 40 automobile manufacturers around the world
have issued and endorsed consistent gasoline specifica-
tions (the World Wide Fuel Charter, WWFC) to define
fuel properties necessary to deliver enhanced emissions,
engine performance, and durability for your vehicle. The
manufacturer recommends the use of gasolines that meet
the WWFC specifications if they are available.
Reformulated Gasoline
Many areas of the country require the use of cleaner
burning fuel referred to as “Reformulated Gasoline”.Reformulated gasolines contain oxygenates, and are spe-
cially blended to reduce vehicle emissions and improve
air quality.
The manufacturer supports the use of reformulated gaso-
lines. Properly blended reformulated gasolines will pro-
vide excellent performance and durability of engine and
fuel system components.
Gasoline/Oxygenate Blends
Some fuel suppliers blend unleaded gasoline with mate-
rials called oxygenates such as 10% ethanol, MTBE and
ETBE. Oxygenates are required in some areas of the
country during the winter months to reduce carbon
monoxide emissions. Fuels blended with these oxygen-
ates may be used in your vehicle.
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