Acura ILX (2018 year). Instruction — page 25

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When Driving

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Road Departure Mitigation (RDM) System

*

388

Driving

Press the RDM button to turn the system on
and off.

u

The indicator in the button comes on and
the message appears on the multi-
information display when the system is
on.

RDM On and Off

1

RDM On and Off

When you have selected Warning Only from the
customized options using the multi-information
display, the system does not operate the steering
wheel and braking.

RDM Button

Indicator

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389

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When Driving

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Road Departure Mitigation (RDM) System

*

Continued

Driving

The system may not properly detect lane markings and the position of your vehicle
under certain conditions. Some examples of these conditions are listed below.

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 lane lines and the roadway surface.
• 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.
• Shadows of adjacent objects are parallel to lane markings.
• Roadway objects or structures are misinterpreted as lane markers.
• Reflections on the interior of the windshield.
• Driving at night or in a dark condition such as a tunnel.

RDM Conditions and Limitations

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390

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When Driving

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Road Departure Mitigation (RDM) System

*

Driving

Roadway conditions

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

reflected lights, road spray, high contrast).

• Driving on a road with temporary lane markings.
• Faint, multiple, or varied lane markings are visible on the roadway due to road

repairs or old lane markings.

• The roadway has merging, split, or crossing lines (e.g., such as at an intersection

or crosswalk).

• The lane markings are extremely narrow, wide, or changing.
• The vehicle in front of you is driving near the lane lines.
• The road is hilly or the vehicle is approaching the crest of a hill.
• Driving on rough or unpaved roads, or over bumpy surfaces.
• When objects on the road (curb, guard rail, pylons, etc.) are recognized as white

lines (or yellow lines).

• Driving on roads with double lines.

Vehicle conditions

• Headlight lenses are dirty or the headlights are not properly adjusted.
• The outside of the windshield is streaked or blocked by dirt, mud, leaves, wet

snow, etc.

• The inside of the windshield is fogged.
• The camera temperature gets too high.
• An abnormal tire or wheel condition (wrong sized, varied size or construction,

improperly inflated, compact spare tire

*

, etc.).

• The vehicle is tilted due to a heavy load or suspension modifications.
• When tire chains are installed.

* Not available on all models

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391

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When Driving

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Lane Keeping Assist System (LKAS)

*

Continued

Driving

Lane Keeping Assist System (LKAS)

*

Provides steering input to help keep the vehicle in the middle of a detected lane and
provides visual alert if the vehicle is detected drifting out of its lane.

1

Lane Keeping Assist System (LKAS)

*

Important Safety Reminders
The LKAS is for your convenience only. It is not a
substitute for your vehicle control. The system does
not work if you take your hands off the steering
wheel or fail to steer the vehicle.

2 Multi-Information Display Warning and

Information Messages P. 89

Do not place objects on the instrument panel.
Objects may reflect on the front windshield and
prevent correct detection of the traffic lanes.

The LKAS only alerts you when lane drift is detected
without a turn signal in use. The LKAS may not detect
all lane markings or lane departures; accuracy will
vary based on weather, speed, and lane marker
condition. It is always your responsibility to safely
operate the vehicle and avoid collisions.

The LKAS is convenient when it is used on freeways.

The LKAS may not work properly or may work
improperly under the certain conditions:

2 LKAS Conditions and Limitations P. 397

The LKAS may not function as designed while driving
in frequent stop and go traffic, or on roads with
sharp curves.

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

2 Front Sensor Camera

*

P. 370

Rapid vibrations on the steering
wheel and a warning display alert
you that the vehicle is drifting out
of a detected lane.

RDM selected Normal or Wide

Beeps and a warning display alert you
that the vehicle is drifting out of a
detected lane.

RDM selected Warning only

When you operate the turn signals to change lanes, the system is suspended, and
resumes after the signals are off.
If you make a lane change without operating the turn signals, the LKAS alerts
activate, and torque is applied to the steering.

Front Sensor
Camera

Monitors the lane
lines

* Not available on all models

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When Driving

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Lane Keeping Assist System (LKAS)

*

392

Driving

Provides assistance to keep the vehicle in the center of the lane. When the vehicle
nears a white or yellow line, steering force of the electric power steering will become
stronger.

When the vehicle enters the warning area, the LKAS alerts you with slight steering
wheel vibration as well a warning display.

Lane Keep Support Function

1

Lane Keeping Assist System (LKAS)

*

When it fails to detect lanes, the system will
temporarily be canceled. When lane is detected,
system will recover automatically.

Lane Departure Warning Function

Warning Area

Warning Area

* Not available on all models

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Continued

393

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When Driving

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Lane Keeping Assist System (LKAS)

*

Driving

The system can be used when the following conditions are met.
• The lane in which you are driving has detectable lane markers on both sides, and

your vehicle is in the center of the lane.

• The vehicle speed is between about 45 and 90 mph (72 and 145 km/h).
• You are driving on a straight or slightly curved road.
• The turn signals are off.
• The brake pedal is not depressed.
• The wipers are not in continuous operation.

How to activate the system

1. Press the MAIN button.

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The LKAS is on in the multi-information
display.
The system is ready to use.

2. Press the LKAS button.

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Lane outlines appear on the multi-
information display.
The system is activated.

When the System can be Used

1

Lane Keeping Assist System (LKAS)

*

If the vehicle drifts toward either left or right lane line
due to the system applying torque, turn off the LKAS
and have your vehicle checked by a dealer.

MAIN Button

LKAS Button

* Not available on all models

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When Driving

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Lane Keeping Assist System (LKAS)

*

394

Driving

3. Keep your vehicle near the center of the

lane while driving.

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The dotted outer lines change to solid
ones once the system starts operating
after detecting the left and right lane
markings.

To cancel the LKAS:
Press the MAIN or LKAS button.

The LKAS is turned off every time you stop the
engine, even if you turned it on the last time
you drove the vehicle.

To Cancel

1

To Cancel

Pressing the MAIN button also turns ACC on and off.

MAIN Button

LKAS Button

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395

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When Driving

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Lane Keeping Assist System (LKAS)

*

Continued

Driving

The system operation is suspended if
you:

• Set the wipers to continuous operation.

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Turning the wipers off resumes the
LKAS.

• Set the wiper switch to AUTO and the

wipers operate continuously.

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The LKAS resumes when the wipers stop
or operate intermittently.

• Decrease the vehicle speed to about 40

mph (64 km/h) or less.

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Increasing the vehicle speed to about 45
mph (72 km/h) or more resumes the
LKAS.

• Depress the brake pedal.

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The LKAS resumes and starts detecting
the lane lines again once you release the
brake pedal.

When the LKAS is suspended,
the lane lines on the multi-
information display change to
contour lines, and the beeper
sounds (if activated).

Models with automatic intermittent wipers

All models

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396

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When Driving

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Lane Keeping Assist System (LKAS)

*

Driving

The LKAS may automatically be suspended when:

• The system fails to detect lane lines.
• The steering wheel is quickly turned.
• You fail to steer the vehicle.
• Driving through a sharp curve.
• Driving at a speed in excess of approximately 90 mph (145 km/h).

Once these conditions no longer exist, the LKAS automatically resumes.

The LKAS may automatically be canceled when:

• The camera temperature gets extremely high or low.
• The camera behind the rearview mirror, or the area around the camera, including

the windshield, gets dirty.

• The ABS or VSA® system engages.

The beeper sounds if the LKAS is automatically canceled.

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397

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When Driving

u

Lane Keeping Assist System (LKAS)

*

Continued

Driving

The system may not detect lane markings and therefore may not keep the vehicle in
the middle of a lane under certain conditions, including the following:

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 lane lines and the roadway surface.
• 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.
• Shadows of adjacent objects are parallel to lane markings.
• Roadway objects or structures are misinterpreted as lane markers.
• Reflections on the interior of the windshield.
• Driving at night or in a dark condition such as a tunnel.

LKAS Conditions and Limitations

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398

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When Driving

u

Lane Keeping Assist System (LKAS)

*

Driving

Roadway conditions

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

reflected lights, road spray, high contrast).

• Driving on a road with temporary lane markings.
• Faint, multiple, or varied lane markings are visible on the roadway due to road

repairs or old lane markings.

• The roadway has merging, split, or crossing lines (e.g., such as at an intersection

or crosswalk).

• The lane markings are extremely narrow, wide, or changing.
• The vehicle in front of you is driving near the lane lines.
• The road is hilly or the vehicle is approaching the crest of a hill.
• Driving on rough or unpaved roads, or over bumpy surfaces.
• When objects on the road (curb, guard rail, pylons, etc.) are recognized as white

lines (or yellow lines).

• Driving on roads with double lines.

Vehicle conditions

• Headlight lenses are dirty or the headlights are not properly adjusted.
• The outside of the windshield is streaked or blocked by dirt, mud, leaves, wet

snow, etc.

• The inside of the windshield is fogged.
• The camera temperature gets too high.
• An abnormal tire or wheel condition (wrong sized, varied size or construction,

improperly inflated, compact spare tire

*

, etc.).

• The vehicle is tilted due to a heavy load or suspension modifications.

* Not available on all models

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399

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When Driving

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Vehicle Stability Assist (VSA®), aka Electronic Stability Control (ESC), System

Continued

Driving

Vehicle Stability Assist (VSA®), aka Electronic
Stability Control (ESC), System

VSA® helps to stabilize the vehicle during cornering if the vehicle turns more or less
than what was intended. It also assists in maintaining traction on slippery surfaces.
It does so by regulating engine output and selectively applying the brakes.

When VSA® activates, you may notice that the
engine does not respond to the accelerator.
You may also notice some noise from the
hydraulic system. You will also see the
indicator blink.

VSA® Operation

1

Vehicle Stability Assist (VSA®), aka Electronic Stability Control
(ESC), System

The VSA® may not function properly if tire type and
size are mixed. Make sure to use the same size and
type of tire, and the air pressures as specified.

When the VSA® indicator comes on and stays on
while driving, there may be a problem with the
system. While this may not interfere with normal
driving, have your vehicle checked by a dealer
immediately.

VSA® cannot enhance stability in all driving situations
and does not control the entire braking system. You
still need to drive and corner at speeds appropriate
for the conditions and always leave a sufficient
margin of safety.

The main function of the VSA® system is generally
known as Electronic Stability Control (ESC). The
system also includes a traction control function.

VSA® System
Indicator

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When Driving

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Vehicle Stability Assist (VSA®), aka Electronic Stability Control (ESC), System

400

Driving

This button is on the driver side control panel.
To partially disable VSA® functionality/
features, press and hold it until you hear a
beep.

Your vehicle will have normal braking and
cornering ability, but traction control function
will be less effective.

To restore VSA® functionality/features, press
the

(VSA® OFF) button until you hear a

beep.

VSA® is turned on every time you start the
engine, even if you turned it off the last time
you drove the vehicle.

VSA® On and Off

1

Vehicle Stability Assist (VSA®), aka Electronic Stability Control
(ESC), System

In certain unusual conditions when your vehicle gets
stuck in shallow mud or fresh snow, it may be easier
to free it with the VSA® temporarily switched off.

When the

button is pressed, the traction control

function becomes less effective. This allows for the
wheels to spin more freely at low speed. You should
only attempt to free your vehicle with the VSA® off if
you are not able to free it when the VSA® is on.

Immediately after freeing your vehicle, be sure to
switch VSA® on again. We do not recommend driving
your vehicle with the VSA® system switched off.

You may hear a motor sound coming from the
engine compartment while system checks are being
performed immediately after starting the engine or
while driving. This is normal.

VSA® OFF Indicator

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401

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When Driving

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Blind spot information (BSI) System

*

Continued

Driving

Blind spot information (BSI) System

*

Is designed to detect vehicles in specified alert zones adjacent to your vehicle,
particularly in harder to see areas commonly known as “blind spots.”

When the system detects vehicles approaching from behind in adjacent lanes, the
appropriate indicator comes on for a few seconds, providing assistance when you
change lanes.

How the system works

1

Blind spot information (BSI) System

*

Important Safety Reminder
Like all assistance systems, BSI has limitations. Over
reliance on BSI may result in a collision.

The BSI alert indicator may not come on under the
following conditions:

A vehicle does not stay in the alert zone for more
than two seconds.

A vehicle is parked in a side lane.

The speed difference between your vehicle and the
vehicle you are passing is greater than 6 mph (10
km/h).

An object not detected by the radar sensors
approaches or passes your vehicle.

A vehicle running in the adjacent lane is a
motorcycle or other small vehicle.

3

WARNING

Failure to visually confirm that it is safe to
change lanes before doing so may result in
a crash and serious injury or death.
Do not rely only on the blind spot
information system when changing lanes.

Always look in your mirrors, to either side
of your vehicle, and behind you for other
vehicles before changing lanes.

When your vehicle is moving
forward at 20 mph (32 km/h)
or more.

Alert zone range
A: Approx. 1.6 ft. (0.5 m)
B: Approx. 10 ft. (3 m)
C: Approx. 10 ft. (3 m)

Radar Sensors:
underneath the
rear bumper
corners

Alert Zone

A

B

C

* Not available on all models

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When Driving

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Blind spot information (BSI) System

*

402

Driving

When the system detects a vehicle

BSI Alert Indicator: Located on the outside
rearview mirror on both sides.

Comes on when:
• A vehicle enters the alert zone from behind

to overtake you with a speed difference of
no more than 31 mph (50 km/h) from your
vehicle.

• You pass a vehicle with a speed difference

of no more than 12 mph (20 km/h).

Blinks and a beeper sounds when:
You move the turn signal lever in the direction
of the detected vehicle. The beeper sounds
three times.

1

Blind spot information (BSI) System

*

The system is for your convenience only. Even if an
object is within the alert zone, the following
situations may occur.

The BSI alert indicator may not come on due to
obstruction (splashes, etc.) even without the BLIND
SPOT NOT AVAILABLE
multi-information display
appearing.

The BSI alert indicator may come on even with the
message appearing.

You can change the setting for BSI.

2 Customized Features P. 99, 263

The system is not active when the shift lever is in

(

R.

BSI may be adversely affected when:

Objects (guard rails, poles, trees, etc,.) are
detected.

An object that does not reflect radio waves well,
such as a motorcycle, is in the alert zone.

Driving on a curved road.

A vehicle is moving from a far lane to the adjacent
lane.

The system picks up external electrical interference.

The rear bumper or the sensors have been
improperly repaired or the rear bumper has been
deformed.

The orientation of the sensors has been changed.

In bad weather (Heavy rain, snow, and fog).

Comes On

Blinks

* Not available on all models

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403

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When Driving

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Blind spot information (BSI) System

*

Driving

1

Blind spot information (BSI) System

*

For a proper BSI operation:

Always keep the rear bumper corner area clean.

Do not cover the rear bumper corner area with
labels or stickers of any kind.

Take your vehicle to a dealer if you need the rear
bumper corner area or the radar sensors to be
repaired, or the rear bumper corner area is strongly
impacted.

* Not available on all models

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