Acura MDX (2018 year). Instruction — part 40

630

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If a Tire Goes Flat

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Changing a Flat Tire

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8. Place a wheel block or rock in front and

rear of the wheel diagonal to the flat tire.

9. Place the compact spare tire (wheel side

up) under the vehicle body, near the tire
that needs to be replaced.

10. Loosen each wheel nut about one turn

using the wheel nut wrench.

Wheel
Blocks

The tire to be replaced.

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If a Tire Goes Flat

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Changing a Flat Tire

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1. Place the jack under the jacking point

closest to the tire to be changed.

2. Turn the end bracket clockwise as shown in

the image until the top of the jack contacts
the jacking point.

u

Make sure that the jacking point tab is
resting in the jack notch.

3. Raise the vehicle, using the jack handle bar

and the jack handle, until the tire is off the
ground.

■

How to Set Up the Jack

1

How to Set Up the Jack

Do not use the jack with people or luggage in the
vehicle.

Use the jack provided in your vehicle.
Other jacks may not support the weight (“load”) or
may not fit the jacking point.

The following instructions must be followed to use
the jack safely:

•

Do not use while the engine is running.

•

Use only where the ground is firm and level.

•

Use only at the jacking points.

•

Do not get in the vehicle while using the jack.

•

Do not put anything on top of or underneath the
jack.

3

WARNING

The vehicle can easily roll off the jack,
seriously injuring anyone underneath.

Follow the directions for changing a tire
exactly, and no person should place any
portion of their body under a vehicle that is
supported by a jack.

Jacking Points

Jack Handle Bar

Wheel Nut Wrench as Jack Handle

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If a Tire Goes Flat

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Changing a Flat Tire

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1. Remove the wheel nuts and flat tire.

2. Wipe the mounting surfaces of the wheel

with a clean cloth.

3. Mount the compact spare tire.
4. Screw the wheel nuts until they touch the

lips around the mounting holes, then stop
rotating.

5. Lower the vehicle and remove the jack.

Tighten the wheel nuts in the order
indicated in the image. Go around,
tightening the nuts, two to three times in
this order.
Wheel nut torque:
94 lbf∙ft (127 N∙m, 13.0 kgf∙m)

■

Replacing the Flat Tire

1

Replacing the Flat Tire

Do not over tighten the wheel nuts by applying extra
torque using your foot or a pipe.

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If a Tire Goes Flat

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Changing a Flat Tire

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1. Remove the center cap.
2. Place the flat tire face up under the hoist.
3. Insert the hoist bracket into the center hole

of the flat tire.

4. Turn the wheel nut wrench with the jack

handle bar clockwise until the flat tire rests
against the underbody of the vehicle and
you hear the hoist click.

5. Securely store the jack and wheel nut

wrench and jack handle bar back in the tool
case. Store the case in the cargo area.

If you replace a flat tire with the spare tire, the low tire pressure/TPMS indicator comes
on while you are driving. After driving for a few miles (kilometers), the indicator will
start blinking for a short time and then stay on. Tire Pressure Monitor Problem
appears on the multi-information display (MID), but this is normal.

If you replace the tire with a specified regular tire, the warning message on the MID
and the low tire pressure/TPMS indicator will go off after a few miles (kilometers).

■

Storing the Flat Tire

1

Storing the Flat Tire

3

WARNING

Loose items can fly around the interior in a
crash and can seriously injure the
occupants.
Store the jack and tools securely before
driving.

Center Cap

Wheel Nut Wrench

Jack Handle Bar

■

TPMS and the Spare Tire

1

TPMS and the Spare Tire

The system cannot monitor the pressure of the spare
tire. Instructionly check the spare tire pressure to be sure
that it is correct.

Use the TPMS specific wheels. Each is equipped with
a tire pressure sensor mounted inside the tire behind
the valve stem.

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634

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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Temporarily Repairing a Flat Tire

*

If the tire has a large cut or is otherwise severely damaged, you will need to have the
vehicle towed. If the tire only has a small puncture, from a nail for instance, you can
use the temporary tire repair kit so that you can drive to the nearest service station
for a more permanent repair.

If a tire goes flat while driving, grasp the steering wheel firmly, and brake gradually
to reduce speed. Then stop in a safe place.

1. Park the vehicle on a firm, level, and non-slippery surface and apply the parking

brake.

2. Change the gear position to

(

P.

3. Turn on the hazard warning lights and set the power mode to VEHICLE OFF

(LOCK).

1

Temporarily Repairing a Flat Tire

*

The kit should not be used in the following situations.
Instead, contact a dealer or roadside assistance to
have the vehicle towed.

•

The tire sealant has expired.

•

More than one tire is punctured.

•

The puncture or cut is larger than 3/16 inch (4mm).

•

The tire side wall is damaged or the puncture is
outside the contact area.

•

Damage has been caused by driving with the tire
extremely under inflated.

•

The tire bead is no longer seated.

•

The rim is damaged.

Do not remove a nail or screw that punctured the
tire. If you remove it from the tire, you may not be
able to repair the puncture using the kit.

NOTICE

Do not use a puncture-repairing agent other than the
one provided in the kit that came with your vehicle. If
a different agent is used, you may permanently
damage the tire pressure sensor.

When the puncture is:

Kit Use

Smaller than 3/16 inch

(4 mm)

Yes

Larger than 3/16 inch

(4 mm)

No

Contact
Area

* Not available on all models

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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■

Getting Ready to Temporarily Repair the Flat Tire

1

Getting Ready to Temporarily Repair the Flat Tire

Repair notification label and speed restriction label
are applied to the side of temporary tire repair kit.

When making a temporary repair, carefully read the
instruction instruction provided with the kit.

Pressure Relief Button

AIR

Repair Notification Label

Speed Restriction Label

Pressure Gauge

Power Plug

Instruction Instruction

Sealant/Air Hose

Inflator Switch

REPAIR

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636

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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1. Pull the handle on the cargo area floor lid

and open the lid.

2. Take out the cargo floor box.

3. Take the kit out of the case.
4. Place the kit face up, on flat ground near

the flat tire, and away from traffic. Do not
place the kit on its side.

Handle

Cargo Floor Box

Case

Tire Repair Kit

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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1. Remove the valve cap from the tire valve

stem.

2. Remove the sealant/air hose from the

packaging.

3. Attach the sealant/air hose onto the tire

valve stem. Screw it until it is tight.

■

Injecting Sealant and Air

1

Injecting Sealant and Air

In cold temperatures, the sealant may not flow easily.
In this situation, warm it up for five minutes before
using.

The sealant can permanently stain clothing and other
materials. Be careful during handling and wipe away
any spills immediately.

3

WARNING

Tire sealant contains substances that are
harmful and can be fatal if swallowed.

If accidentally swallowed, do not induce
vomiting. Drink plenty of water and get
medical attention immediately.

For skin or eye contact, flush with cool
water and get medical attention if
necessary.

Valve Stem

Valve Cap

Sealant/Air Hose

Valve Stem

Sealant/Air Hose

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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4. Plug in the compressor to the accessory

power socket.

u

Be careful not to pinch the cord in a
door or window.

u

Do not plug any other electronic
devices into other accessory power
sockets.

2 Accessory Power Sockets P. 213

5. Start the engine.

u

Keep the engine running while injecting
sealant and air.

2 Carbon Monoxide Gas P. 74

6. Turn the selector switch to REPAIR.

1

Injecting Sealant and Air

NOTICE

Do not operate the temporary tire repair kit compressor
for more than 15 minutes. The compressor can
overheat and become permanently damaged.

There are three accessory power sockets:

•

In the console compartment

•

In the front of the center pocket

•

In the left side panel in the cargo area

2 Accessory Power Sockets P. 213

Until the sealant injection is complete, the pressure
shown on the pressure gauge will appear higher than
actual. After the sealant injection is complete the
pressure will drop and then begin to rise again as the
tire is inflated with air. This is normal. To accurately
measure the air pressure using the gauge, turn the air
compressor off only after the sealant injection is
complete.

3

WARNING

Running the engine with the vehicle in an
enclosed or even partly enclosed area can
cause a rapid build-up of toxic carbon
monoxide.

Breathing this colorless, odorless gas can
cause unconsciousness and even death.
Only run the engine to power the air
compressor with the vehicle outdoors.

REPAIR

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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7. Press the inflator switch to turn on the

compressor.

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The compressor starts injecting sealant
and air into the tire.

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When the sealant injection is complete,
continue to add air.

8. After the air pressure reaches 35 psi (240

kPa), turn off the kit.

u

To check the pressure, occasionally turn
off the compressor and read the gauge.

9. Unplug the power plug from the accessory

power socket.

10. Unscrew the sealant/air hose from the tire

valve stem. Reinstall the valve cap.

11. Press the pressure relief button until the

gauge returns to 0 psi (0 kPa).

Pressure Gauge

ON

OFF

1

Injecting Sealant and Air

If the required air pressure is not reached within 10
minutes, the tire may be too severely damaged for
the kit to provide the necessary seal, and your vehicle
will need to be towed.

See an Acura dealer for a replacement sealant bottle
and proper disposal of an empty bottle.

Sealant/Air Hose

Valve Stem

Pressure Relief Button

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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12. Apply the speed restriction label to the

location as shown.

13. Apply the repair notification label to the

flat surface of the wheel.

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The wheel surface must be clean to
ensure the label adheres properly.

1. Drive the vehicle for about 10 minutes.

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Do not exceed 50 mph (80 km/h).

2. Stop the vehicle in a safe place.

Speed Restriction Label

Repair Notification Label

■

Distributing the Sealant in the Tire

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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3. Recheck the air pressure using the sealant/

air hose on the compressor.

4. Turn the selector switch to AIR.

u

Do not turn the air compressor on to
check the pressure.

2 Inflating an Under-inflated Tire P. 643

5. If the air pressure is

• Less than 25 psi (175 kPa):

Do not add air or continue driving. The leak
is too severe. Call for help and have your
vehicle towed.

2 Emergency Towing P. 666

• 35 psi (240 kPa) or more:

Continue driving for another 10 minutes or
until you reach the nearest service station,
whichever is sooner. Do not exceed 50 mph
(80 km/h). If you have not reached a service
station, stop and check the tire pressure.

u

If the air pressure does not go down after
the 10 minute driving, you do not need
to check the pressure any more.

Sealant/Air Hose

AIR

ON

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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• Greater than 25 psi (175 kPa), but less

than 35 psi (240 kPa):

Turn the air compressor on to inflate the
tire until the tire pressure reaches 35 psi
(240 kPa).

2 Inflating an Under-inflated Tire P. 643

Then drive carefully for 10 more minutes or
until you reach the nearest service station,
whichever is sooner. Do not exceed 50 mph
(80 km/h). If you have not reached a service
station, stop and check the tire pressure.

u

You should repeat this procedure as long
as the air pressure is within this range.

6. Unscrew the sealant/air hose from the tire

valve stem.
Reinstall the valve cap.

7. Press the pressure relief button until the

gauge returns to 0 psi (0 kPa).

8. Repackage and properly stow the kit.

Pressure Relief Button

1

Distributing the Sealant in the Tire

3

WARNING

Running the engine with the vehicle in an
enclosed or even partly enclosed area can
cause a rapid build-up of toxic carbon
monoxide.

Breathing this colorless, odorless gas can
cause unconsciousness and even death.
Only run the engine to power the air
compressor with the vehicle outdoors.

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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You can use the kit to inflate a non-punctured under-inflated tire.

1. Open the cargo area floor lid.

2 Getting Ready to Temporarily Repair

the Flat Tire P. 635

2. Remove the kit from the case.
3. Place the kit, face up, on flat ground near

the flat tire, away from traffic. Do not
place the kit on its side.

4. Remove the sealant/air hose from the kit.

5. Remove the valve cap.

6. Attach the sealant/air hose onto the tire

valve stem. Screw it until it is tight.

■

Inflating an Under-inflated Tire

1

Inflating an Under-inflated Tire

NOTICE

Do not operate the temporary tire repair kit
compressor for more than 15 minutes. The
compressor can overheat and become permanently
damaged.

Air Only Hose

Valve Cap

Valve Stem

Air Only Hose

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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7. Plug in the kit to the accessory power

socket.

u

Be careful not to pinch the cord in a
door or window.

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Do not plug any other electronic
devices into other accessory power
sockets.

2 Accessory Power Sockets P. 213

8. Start the engine.

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Keep the engine running while injecting
air.

2 Carbon Monoxide Gas P. 74

9. Turn the selector switch to AIR ONLY.

10. Press the inflator switch to turn on the kit.

u

The compressor starts to inject air into
the tire.

11. Inflate the tire to the specified air pressure.

1

Inflating an Under-inflated Tire

3

WARNING

Running the engine with the vehicle in an
enclosed or even partly enclosed area can
cause a rapid build-up of toxic carbon
monoxide.

Breathing this colorless, odorless gas can
cause unconsciousness and even death.
Only run the engine to power the air
compressor with the vehicle outdoors.

AIR

ON

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If a Tire Goes Flat

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Temporarily Repairing a Flat Tire

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12. Turn off the kit.

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Check the pressure gauge on the air
compressor.

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If overinflated, press the pressure relief
button.

13. Unplug the kit from the accessory power

socket.

14. Unscrew the sealant/air hose from the tire

valve stem. Reinstall the valve cap.

15. Press the pressure relief button until the

gauge returns to 0 psi (0 kPa).

16. Repackage and properly stow the kit.

Pressure Relief Button

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