2003 Acura MDX Owner's Manua

The following chart shows the
recommended cold tire pressures f or
most normal driving conditions and
speeds. Tire pressures f or high
speed driving are the same as f or
normal driving.
Thecompactsparetirepressureis:
If you check the pressure when the
tires are hot [the vehicle has been
driven several miles (kilometers)],
you will see readings 4 to 6 psi (30 to
40 kPa, 0.3 to 0.4 kgf /cm ) higher
than the cold reading. This is normal.
Do not let air out to match the
specif ied cold pressure. The tire will
be underinf lated.
Youshouldgetyourowntire
pressure gauge and use it whenever
you check your tire pressures. This
will make it easier f or you to tell if a
pressure loss is due to a tire problem
and not due to a variation between
gauges.
Use a gauge to measure the air
pressure at least once a month. Even
tires that are in good condition may
lose one to two psi (10 to 20 kPa, 0.1
to 0.2 kgf /cm ) per month.
Remember to check the spare tire at
thesametimeyoucheckallthe
other tires.
Check the pressure in the tires when
they are cold. This means the vehicle
has been parked f or at least three
hours. If you have to drive the
vehicle bef ore checking the tire
pressure, the tires can still be
considered ‘‘cold’’ if you drive less
than 1 mile (1.6 km).
Add or release air, if needed, to
match the recommended cold tire
pressuresonthispage.
For convenience, the recommended
tire sizes and cold air pressures are
on a label on the driver’s doorjamb.
For additional technical information
about your tires, see page .
392
Tire Size Cold Tire Pressure
for Normal Driving
CONT INUED
Recommended T ire Pressures f orNormal Driving
Tires
Maint enance333
P235/65R17 103T 32 psi (220 kPa , 2.2
kgf/cm
)
60 psi (420 kPa , 4.2 kgf/cm)

Your vehicle’s tires have wear indica-
tors molded into the tread. When the
tread wears down to that point, you
will see a 1/2 inch (12.7 mm) wide
band running across the tread. This
shows there is less than 1/16 inch
(1.6 mm) of tread lef t on the tire. A
tire that is this worn gives very little
traction on wet roads. You should
replace the tire if you can see the
tread wear indicator in three or more
places around the tire.
Every time you check inf lation, you
should also examine the tires f or
damage, f oreign objects, and wear.
Youshouldlookfor:
Bumps or bulges in the tread or
side of the tire. Replace the tire if
youfindeitherof theseconditions.
Cuts, splits, or cracks in the side
of the tire. Replace the tire if you
can see f abric or cord.
Excessive tread wear.
These pressures are also given on
thetireinformationlabelonthe
driver’s doorjamb.
Tubeless tires have some ability to
self -seal if they are punctured.
However, because leakage is of ten
very slow, you should look closely
for punctures if a tire starts losing
pressure.
Inspection
Tires
Maint enance334
INDICATOR LOCATION MARKS
TREAD WEAR INDICATORS

To help increase tire lif e and
distribute wear more evenly, you
should have the tires rotated every
7,500 miles (12,000 km). Move the
tires to the positions shown in the
chart each time they are rotated.
Make sure the installer balances the
wheels when you have new tires
installed. This increases riding
comf ort and tire lif e. Your vehicle’s
original tires were dynamic or ‘‘spin’’
balanced at the f actory. For best
results, have the installer perf orm a
dynamic balance.
In addition to proper inf lation,
correct wheel alignment helps to
decrease tire wear. If you f ind a tire
is worn unevenly, have your dealer
check the wheel alignment.
The tires were properly balanced by
the factory. They may need to be
rebalanced at some time bef ore they
are worn out. Have your dealer
check the tires if you f eel a consis-
tent vibration while driving. A tire
should always be rebalanced if it is
removed f rom the wheel f or repair.
CONT INUED
Tire Rotation
Maintenance
Tires
Maint enance335
Front
(For Non-directional
Tires and Wheels) Front
(For Directional
Tires and Wheels)
Improper wheel weights can damage
your vehicle’s aluminum wheels. Use
only Genuine Acura wheel weights f or
balancing.

It is best to replace all f our tires at
thesametime.If thatisnotpossible
or necessary, then replace the two
f ront tires or the two rear tires as a
pair. Replacing just one tire can
seriously af f ect your vehicle’s han-
dling.
When shopping f or replacement
tires, you may find that some tires
are ‘‘directional.’’ This means they
are designed to rotate only in one
direction. If you use directional tires,
they should be rotated only front-to-
back.
The tires that came with your
vehicle were selected to match the
perf ormance capabilities of the
vehicle while providing the best
combination of handling, ride
comfort,andlonglife.Youshould
replace them with radial tires of the
same size, load range, speed rating,
and maximum cold tire pressure
rating (as shown on the tire’s
sidewall). Mixing radial and bias-ply
tires on your vehicle can reduce its
braking ability, traction, and steering
accuracy. Replacing T ires and Wheels
Tires
Maint enance336
Installing improper tires on your
vehicle can affect handling and
stability. This can cause a crash
in which you can be seriously
hurt or killed.
Always use the size and type of
tires recommended in this
owner’s manual.

´
Tires that are marked ‘‘M S’’ or
‘‘All Season’’ on the sidewall have an
all-weather tread design. They
should be suitable f or most winter
driving conditions. Tires without
these markings are designed f or
optimum traction in dry conditions.
They may not provide adequate
perf ormance in winter driving.
For the best perf ormance in snowy
or icy conditions, you should install
snow tires or tire chains. They may
be required by local laws under
certain conditions.
TheABSworksbycomparingthe
speed of the wheels. When replacing
tires, use the same size originally
supplied with the vehicle. Tire size
and construction can affect wheel
speed and may cause the system to
work inconsistently.
Wheel:
Tire:
See page f or inf ormation about
DOT Tire Quality Grading.
If you ever need to replace a wheel,
make sure the wheel’s specif ications
match those of the original wheel
that came on your vehicle. Re-
placement wheels are available at
your Acura dealer. 392
CONT INUED
Winter Driving
Wheels and T ires
Tires
Maint enance337
17x61/2JJ
P235/65R17 103T

If you mount snow tires on your
Acura, make sure they are radial
tires of the same size and load range
as the original tires. Mount snow
tiresonallfourwheelstobalance
your vehicle’s handling in all weather
conditions. Keep in mind the traction
provided by snow tires on dry roads
may not be as high as your vehicle’s
original-equipment tires. You should
drive cautiously even when the roads
areclear.Checkwiththetiredealer
f or maximum speed recommen-
dations.Because your Acura has limited tire
clearance, mount only SAE Class ‘‘S’’
cable-type traction devices, with
rubber chain tensioners, on the f ront
tires. Use traction devices only when
required by driving conditions or
local laws. Make sure they are the
correct size f or your tires.
When installing cables, f ollow the
manuf acturer’s instructions and
mount them as tightly as you can.
Drive slowly with them installed. If
youhearthemcomingincontact
with the body or chassis, stop and
investigate. Make sure the cables are
installed tightly, and that they are
not contacting the brake lines or
suspension. Remove them as soon asyou begin driving on cleared roads.
Metal link-type ‘‘chains’’ should not
be used. No matter how tight they
seem to be installed, they can come
into contact with the body and
suspension, causing serious damage.
Snow T ires T ire Chains
Tires
Maint enance338
Traction devices that are the wrong
size or improperly installed can
damage your vehicle’s brake lines,
suspension, body, and wheels. Stop
driving if they are hitting any part of
the vehicle.

Check the operation of your vehicle’s
exterior lights at least once a month.
A burned out bulb can create an
unsaf e condition by reducing your
vehicle’s visibility and the ability to
signal your intentions to other
drivers.
Lights
Maint enance339
LOW BEAM HEADLIGHT
HIGH BEAM HEADLIGHT
FOG LIGHT PARKING LIGHT/
SIDE MARKER
TURN SIGNAL

Check the f ollowing:Headlights (low and high beam)
Parking lights
Taillights
Brake lights
High-mount brake light
Turn signals
Back-up lights
Hazard light f unction
License plate light
Side marker lights
Daytime running lights
(Canadian models)
If you f ind any bulbs are burned out,
replace them as soon as possible.
Refer to the chart on page to
determine what type of replacement
bulb is needed. 391
Lights
Maint enance340
BRAKE/TAILLIGHTS
HIGH-MOUNT BRAKE LIGHT
LICENSE PLATE LIGHTS
BACK-UP LIGHT
TAIL LIGHTS/
SIDE MARKER LIGHT TURN SIGNAL/
HAZARD LIGHT