Acura ILX (2018 year). Instruction — part 26

404

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When Driving

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Tire Pressure Monitoring System (TPMS)

Driving

Tire Pressure Monitoring System (TPMS)

Monitors the tire pressure while you are
driving. If your vehicle's tire pressure becomes
significantly low, the low tire pressure/TPMS
indicator comes on and a message appears on
the multi-information display.

1

Tire Pressure Monitoring System (TPMS)

Conditions such as low ambient temperature and
altitude change directly affect tire pressure and can
trigger the low tire pressure/TPMS indicator to come
on.

2 If the Low Tire Pressure/TPMS Indicator

Comes On or Blinks P. 518

Tire pressure checked and inflated in:

•

Warm weather can become under-inflated in
colder weather.

•

Cold weather can become over-inflated in warmer
weather.

The low tire pressure/TPMS indicator will not come
on as a result of over inflation.

Low Tire
Pressure/TPMS
Indicator

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When Driving

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Tire Pressure Monitoring System (TPMS)

Driving

To select the tire pressure monitor, set the
power mode to ON, and press the

(information) button until you see the tire
pressure screen.

The pressure for each tire is displayed in PSI
(U.S.) or kPa (Canada).

Tire Pressures Low/CHECK TIRE PRESSURE
is displayed when a tire has significantly low
pressure. The specific tire is displayed on the
screen.

■

Tire Pressure Monitor

1

Tire Pressure Monitor

The pressure displayed on the multi-information
display can be slightly different from the actual
pressure as measured by a gauge. If there is a
significant difference between the two values, or if
the low tire pressure/TPMS indicator and the message
on the multi-information display do not go off after
you have inflated the tire to the specified pressure,
have the system checked by a dealer.

Tire Pressure Monitor Problem/CHECK TPMS
SYSTEM may appear if you drive with the compact
spare tire

*

, or there is a problem with the TPMS.

Models with
full color
display

Models without
full color
display

Models with
full color
display

Models without
full color
display

* Not available on all models

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When Driving

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Tire Pressure Monitoring System (TPMS) - Required Federal Explanation

Driving

Tire Pressure Monitoring System (TPMS) - Required
Federal Explanation

Each tire, including the spare (if provided), should be checked
monthly when cold and inflated to the inflation pressure
recommended by the vehicle manufacturer on the vehicle placard
or tire inflation pressure label.

(If your vehicle has tires of a different size than the size indicated
on the vehicle placard or tire inflation pressure label, you should
determine the proper tire inflation pressure for those tires.)

As an added safety feature, your vehicle has been equipped with
a tire pressure monitoring system (TPMS) that illuminates a low
tire pressure telltale

when one or more of your tires is significantly under-inflated.

Accordingly, when the low tire pressure telltale illuminates, you
should stop and check your tires as soon as possible, and inflate
them to the proper pressure.

Driving on a significantly under-inflated tire causes the tire to
overheat and can lead to tire failure. Under-inflation also reduces
fuel efficiency and tire tread life, and may affect the vehicle's
handling and stopping ability.

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When Driving

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Tire Pressure Monitoring System (TPMS) - Required Federal Explanation

Driving

Please note that the TPMS is not a substitute for proper tire
maintenance, and it is the driver's responsibility to maintain
correct tire pressure, even if under-inflation has not reached the
level to trigger illumination of the TPMS low tire pressure telltale.

Your vehicle has also been equipped with a TPMS malfunction
indicator to indicate when the system is not operating properly.
The TPMS malfunction indicator is combined with the low tire
pressure telltale. When the system detects a malfunction, the
telltale will flash for approximately one minute and then remain
continuously illuminated. This sequence will continue upon
subsequent vehicle start-ups as long as the malfunction exists.

When the malfunction indicator is illuminated, the system may
not be able to detect or signal low tire pressure as intended.

TPMS malfunctions may occur for a variety of reasons, including
the installation of replacement or alternate tires or wheels on the
vehicle that prevent the TPMS from functioning properly.

Always check the TPMS malfunction telltale after replacing one or
more tires or wheels on your vehicle to ensure that the
replacement or alternate tires and wheels allow the TPMS to
continue to function properly.

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408

Driving

Braking

Brake System

Use the parking brake to keep the vehicle stationary when parking.

To apply:
Pull the lever fully up without pressing the
release button.

To release:
1. Pull the lever slightly, and press and hold

the release button.

2. Lower the lever down all the way, then

release the button.

■

Parking Brake

1

Parking Brake

NOTICE

Release the parking brake fully before driving. The
rear brakes and axle can be damaged if you drive
with the parking brake applied.

If you start driving without fully releasing the parking
brake, a buzzer sounds as a warning, and Release
Parking Brake appears on the multi-information
display.

Always apply the parking brake when parking.

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Braking

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Brake System

Driving

Your vehicle is equipped with disc brakes at all four wheels. A vacuum power assist
helps reduce the effort needed on the brake pedal. The brake assist system increases
the stopping force when you depress the brake pedal hard in an emergency
situation. The anti-lock brake system (ABS) helps you retain steering control when
braking very hard.

2 Brake Assist System P. 411
2 Anti-lock Brake System (ABS) P. 410

■

Foot Brake

1

Foot Brake

Check the brakes after driving through deep water,
or if there is a buildup of road surface water. If
necessary, dry the brakes by lightly depressing the
pedal several times.

If you hear a continuous metallic friction sound when
applying the brakes, this is caused by the brake wear
indicator rubbing on the brake rotor and indicates
that the brake pads need to be replaced. Have the
vehicle checked by a dealer. If you hear only an
occasional squeak or squeal when you initially apply
the brake pedal, this may be normal and caused by
high frequency vibration of the brake pads against
the rotating brake disc.

Constantly using the brake pedal while going down a
long hill builds up heat, which reduces the brake
effectiveness. Apply engine braking by taking your
foot off the accelerator pedal and downshifting to a
lower gear.

Do not rest your foot on the brake pedal while
driving, as it will lightly apply the brakes and cause
them to lose effectiveness over time and reduce pad
life. It will also confuse drivers behind you.

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Braking

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Anti-lock Brake System (ABS)

Driving

Anti-lock Brake System (ABS)

Helps prevent the wheels from locking up, and helps you retain steering control by
pumping the brakes rapidly, much faster than you.

The electronic brake distribution (EBD) system, which is part of the ABS, also
balances the front-to-rear braking distribution according to vehicle loading.

You should never pump the brake pedal. Let the ABS work for you by always
keeping firm, steady pressure on the brake pedal. This is sometimes referred to as
“stomp and steer.”

■

ABS operation

The brake pedal may pulsate slightly when the ABS is working. Keep holding the
pedal firmly down. On dry pavement, you will need to press on the brake pedal very
hard before the ABS activates. However, you may feel the ABS activate immediately
if you are trying to stop on snow or ice.

ABS may activate when you depress the brake pedal when driving on:
• Wet or snow covered roads.
• Roads paved with stone.
• Roads with uneven surfaces, such as potholes, cracks, manholes, etc.

When the vehicle speed goes under 6 mph (10 km/h), the ABS stops.

■

ABS

1

Anti-lock Brake System (ABS)

NOTICE

The ABS may not function correctly if you use a tire of
the wrong size or type.

If the ABS indicator comes on while driving, there
may be a problem with the system.
While normal braking will not be affected, there is a
possibility that the ABS will not operate. Have your
vehicle checked by a dealer immediately.

The ABS is not designed for the purpose of reducing
the time or distance it takes for a vehicle to stop: It is
designed to limit brake lockup which can lead to
skidding and loss of steering control.

In the following cases, your vehicle may need more
distance to stop than a vehicle without the ABS:

•

You are driving on rough or uneven road surfaces,
such as gravel or snow.

•

The tires are equipped with snow chains.

The following may be observed with the ABS system:

•

Motor sounds coming from the engine
compartment when the brakes are applied, or
when system checks are being performed after the
engine has been started and while vehicle is
accelerates.

•

Brake pedal and/or the vehicle body vibration when
ABS activates.

These vibrations and sounds are normal to ABS
systems and are no cause for concern.

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411

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Braking

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Brake Assist System

Driving

Brake Assist System

Designed to assist the driver by generating greater braking force when you depress
the brake pedal hard during emergency braking.

■

Brake assist system operation

Press the brake pedal firmly for more powerful braking.

When brake assist operates, the pedal may wiggle slightly and an operating noise
may be heard. This is normal. Keep holding the brake pedal firmly down.

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Braking

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Collision Mitigation Braking System

TM

(CMBS

TM

)

*

Driving

Collision Mitigation Braking System

TM

(CMBS

TM

)

*

Can assist you when there is a possibility of your vehicle colliding with a vehicle or a
pedestrian detected in front of yours. The CMBS

TM

is designed to alert you when a

potential collision is determined, as well as to reduce your vehicle speed to help
minimize collision severity when a collision is deemed unavoidable.

■

How the system works

1

Collision Mitigation Braking System

TM

(CMBS

TM

)

*

Important Safety Reminder
The CMBS

TM

is designed to reduce the severity of an

unavoidable collision. It does not prevent a collision
nor stop the vehicle automatically. It is still your
responsibility to operate the brake pedal and steering
wheel appropriately according to the driving
conditions.

The CMBS

TM

may not activate or may not detect a

vehicle in front of your vehicle under certain
conditions:

2 CMBS

TM

Conditions and Limitations P. 416

You can read about handling information for the
camera equipped with this system.

2 Front Sensor Camera

*

P. 370

Be careful not to severely impact the radar sensor
cover.

The camera in the CMBS

TM

is also designed to detect

pedestrians.
However, this pedestrian detection feature may not
activate or may not detect a pedestrian in front of
your vehicle under certain conditions.

2 CMBS

TM

Conditions and Limitations P. 416

The system starts monitoring the roadway ahead when your vehicle speed is about
3 mph (5 km/h) and there is a vehicle in front of you.

The radar sensor is
in the front grille.

The CMBS

TM

activates when:

●

The speed difference between your vehicle and a vehicle or pedestrian
detected in front of you becomes about 3 mph (5 km/h) and over with a chance
of a collision.

●

Your vehicle speed is about 62 mph (100 km/h) or less and there is a chance of a
collision with an oncoming detected vehicle or a pedestrian in front of you.

The camera is
located behind the
rearview mirror.

When to use

* Not available on all models

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Braking

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Collision Mitigation Braking System

TM

(CMBS

TM

)

*

Continued

Driving

■

When the system activates

At system’s earliest collision alert stage, you can change the distance (Long/
Normal/Short) between vehicles at which alerts will come on through multi-
information display setting options.

2 List of customizable options P. 102, 272

The system provides visual and audible alerts of a possible collision, and stops
if the collision is avoided.

u

Take appropriate action to prevent a collision (apply the brakes, change
lanes, etc.)

Beep

Visual Alerts

Audible Alert

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Braking

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Collision Mitigation Braking System

TM

(CMBS

TM

)

*

Driving

The system has three alert stages for a possible collision. However, depending on circumstances, the CMBS

TM

may not go through all of

the stages before initiating the last stage.

■

Collision Alert Stages

Distance between vehicles

CMBS

TM

The sensors detect a vehicle

Audible & Visual WARNINGS

Braking

Stage

one

There is a risk of a collision with the vehicle
ahead of you.

When in Long, visual and audible
alerts come on at a longer distance
from a vehicle ahead than in
Normal setting, and in Short, at a
shorter distance than in Normal.

—

Stage

two

The risk of a collision has increased, time to
respond is reduced.

Visual and audible alerts.

Lightly

applied

Stage

three

The CMBS

TM

determines that a collision is

unavoidable.

Forcefully

applied

Your Vehicle

Vehicle
Ahead

Normal

Short

Long

Your
Vehicle

Vehicle
Ahead

Your
Vehicle

Vehicle
Ahead

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Continued

415

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Braking

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Collision Mitigation Braking System

TM

(CMBS

TM

)

*

Driving

Press and hold the button until the beeper
sounds to switch the system on or off.

When the CMBS

TM

is off:

• The CMBS

TM

indicator in the instrument

panel comes on.

• A message on the multi-information display

reminds you that the system is off.

The CMBS

TM

is in the previously selected ON or

OFF setting each time you start the engine.

■

CMBS

TM

On and Off

1

Collision Mitigation Braking System

TM

(CMBS

TM

)

*

The CMBS

TM

may automatically shut off, and the

CMBS

TM

indicator will come and stay on under certain

conditions:

2 CMBS

TM

Conditions and Limitations P. 416

* Not available on all models

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Braking

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Collision Mitigation Braking System

TM

(CMBS

TM

)

*

416

Driving

The system may automatically shut off and the CMBS

TM

indicator will come on under

certain conditions. Some examples of these conditions are listed below. Other
conditions may reduce some of the CMBS

TM

functions.

2 Front Sensor Camera

*

P. 370

■

Environmental conditions

• Driving in bad weather (rain, fog, snow, etc.).
• Sudden changes between light and dark, such as an entrance or exit of a tunnel.
• There is little contrast between objects and the background.
• Driving into low sunlight (e.g., at dawn or dusk).
• Strong light is reflected onto the roadway.
• Driving in the shadows of trees, buildings, etc.
• Roadway objects or structures are misinterpreted as vehicles and pedestrians.
• Reflections on the interior of the front windshield.
• Driving at night or in a dark condition such as a tunnel.

■

Roadway conditions

• Driving on a snowy or wet roadway (obscured lane marking, vehicle tracks,

reflected lights, road spray, high contrast).

• The road is hilly or the vehicle is approaching the crest of a hill.
• Driving on curvy, winding, or undulating roads.

■

CMBS

TM

Conditions and Limitations

1

CMBS

TM

Conditions and Limitations

Do not paint, or apply any coverings or paint to the
radar sensor area. This can impact CMBS

TM

operation.

Have your vehicle checked by a dealer if you find any
unusual behavior of the system (e.g., the warning
message appears too frequently).

If the front of the vehicle is impacted in any of the
following situations, the radar sensor may not work
properly. Have your vehicle checked by a dealer:

•

The vehicle mounted onto a bump, curb, chock,
embankment, etc.

•

You drive the vehicle where the water is deep.

•

Your vehicle has a frontal collision.

For the CMBS

TM

to work properly:

Always keep the radar sensor cover clean.

Never use chemical solvents or polishing powder for
cleaning the sensor cover. Clean it with water or a
mild detergent.

If you need the radar sensor to be repaired, or
removed, or the radar sensor cover is strongly
impacted, turn off the system by pressing the
CMBS

TM

off button and take your vehicle to a dealer.

* Not available on all models

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Braking

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Collision Mitigation Braking System

TM

(CMBS

TM

)

*

Continued

Driving

■

Vehicle conditions

• Headlight lenses are dirty or the headlights are not properly adjusted.
• The outside of the windshield is blocked by dirt, mud, leaves, wet snow, etc.
• The inside of the windshield is fogged.
• An abnormal tire or wheel condition (wrong sized, varied size or construction,

improperly inflated, compact spare tire

*

, etc.).

• When tire chains are installed.
• The vehicle is tilted due to a heavy load or suspension modifications.
• The camera temperature gets too high.
• Driving with the parking brake applied.
• When the radar sensor in the front grille gets dirty.

* Not available on all models

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Braking

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Collision Mitigation Braking System

TM

(CMBS

TM

)

*

Driving

■

Detection limitations

• A vehicle or pedestrian suddenly crosses in front of you.
• The distance between your vehicle and the vehicle or pedestrian ahead of you is

too short.

• When you accelerate rapidly and approach the vehicle or pedestrian ahead of you

at high speed.

• The speed difference between your vehicle and a vehicle or pedestrian in front of

you is significantly large.

• A vehicle cuts in front of you at a slow speed, and it brakes suddenly.
• The vehicle ahead of you is a motorcycle, bicycle, mobility scooter or other small

vehicle.

• When there are animals in front of your vehicle.
• When you drive on a curved, winding or undulating road that makes it difficult for

the sensor to properly detect a vehicle in front of you.

• An oncoming vehicle suddenly comes in front of you.
• Another vehicle suddenly comes in front of you at an intersection, etc.
• Your vehicle abruptly crosses over in front of an oncoming vehicle.
• When driving through a narrow iron bridge.
• When the lead vehicle suddenly slows down.

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Braking

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Collision Mitigation Braking System

TM

(CMBS

TM

)

*

Continued

Driving

■

Limitations applicable to pedestrian detection only

• When there is a group of people in front of your vehicle walking together side by

side.

• Surrounding conditions or belongings of the pedestrian alter the pedestrian’s

shape, preventing the system from recognizing that the person is a pedestrian.

• When the pedestrian is slouching or squatting.
• When the pedestrian is shorter than about 3 feet (1 meter) or taller than about 7

feet (2 meter) in height.

• When a pedestrian blends in with the background.
• When a pedestrian is bent over or squatting, or when their hands or raised or they

are running.

• When several pedestrians are walking ahead in a group.
• When the camera cannot correctly identify that a pedestrian is present due to an

unusual shape (holding luggage, body position, size).

■

Automatic shutoff

The CMBS

TM

may automatically shut itself off and the CMBS

TM

indicator comes and

stays on when:
• The temperature inside the system is high.
• You drive off-road or on a mountain road, or curved and winding road for an

extended period.

• An abnormal tire condition is detected (wrong tire size, flat tire, etc.).
• The camera behind the rearview mirror, or the area around the camera, including

the windshield, gets dirty.

Once the conditions that caused CMBS

TM

to shut off improve or are addressed (e.g.,

cleaning), the system comes back on.

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