Acura ILX (2018 year). Instruction - part 26

 

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Acura ILX (2018 year). Instruction - part 26

 

 

404

uu

When Driving

u

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.

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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405

uu

When Driving

u

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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406

uu

When Driving

u

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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407

uu

When Driving

u

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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409

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Braking

u

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.

Brake Assist System P. 411
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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410

uu

Braking

u

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

uu

Braking

u

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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412

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Braking

u

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:

CMBS

TM

 Conditions and Limitations P. 416

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

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.

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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413

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Braking

u

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.

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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414

uu

Braking

u

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

uu

Braking

u

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:

CMBS

TM

 Conditions and Limitations P. 416

* Not available on all models

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uu

Braking

u

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.

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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417

uu

Braking

u

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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418

uu

Braking

u

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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419

uu

Braking

u

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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