ACURA NSX 2020 Owners Manual

Continued359
uuBrakinguBrake System
Driving
Your vehicle is equipped with disc brakes at all four wheels. The brake assist system
increases the stopping force when you depress the brake pedal hard in an
emergency situation. The an ti-lock brake system (ABS) helps you retain steering
control when brak ing very hard.
2 Brake Assist System P. 363
2 Anti-lock Brake System (ABS) P. 362
■ Brake squeal
To satisfy the performance under a wide range of driving conditions, a high-
performance braking system is equipped on your vehicle. You may hear the brake
squeal under certain conditions, such as vehicle speed, deceleration, humidity, and
so on. This is not a malfunction.
■Foot Brake1Foot 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 me tallic 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 replaced. Have your
vehicle checked by an authorized Acura NSX dealer.
If you hear only an occasion al squeak or squeal when
you initially apply the brake pedal, this may be normal
and caused by high frequen cy 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 regene rative braking by taking
your foot off the accelera tor 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 conf use drivers behind you.
Models with iron brake discs
Models with iron brake discs
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uuBrakinguBrake System
360
Driving
Keeps the brake applied after releasing the brake pedal until the accelerator pedal is
pressed. Use this system only while the vehicl e is temporarily stopped, like at traffic
lights and in heavy traffic.
■Automatic Brake Hold1Automatic Brake Hold
3WARNING
Activating the automatic brake hold system
on steep hills or slippery roads may still
allow the vehicle to move if you remove
your foot from the brake pedal.
If a vehicle unexpectedly moves, it may
cause a crash resulting in serious injury or
death.
Never activate the automatic brake hold
system or rely on it to keep a vehicle from
moving when stopped on a steep hill or
slippery roads.
3WARNING
Using the automatic brake hold system to
park the vehicle may result in the vehicle
unexpectedly moving.
If a vehicle moves unexpectedly, it may
cause a crash, resulting in serious injury or
death.
Never leave the vehicle when braking is
temporarily kept by automatic brake hold
and always park the vehicle by putting the
transmission in
(P and applying the parking
brake.
■ Turning on the system
Fasten your seat belt
properly, then start the
power system. Press the
automatic brake hold
button.
● The automatic brake
hold system indicator
comes on. The system
is turned on. ■
Activating the system
Depress the brake pedal to come to a complete
stop. The transmission
must be in or
(N .
● The automatic brake hold indicator comes
on. Braking is kept for
up to 10 minutes.
● Release the brake pedal after the
automatic brake hold indicator comes on.D/M
■ Canceling the system
Depress the accelerator
pedal while the
transmission is in or
(R . The system is
canceled and the vehicle
starts to move. ● The automatic brake
hold indicator goes
off. The system
continues to be on.D/M
Accelerator PedalBrake PedalAutomatic Brake
Hold Button
Goes Off
On On
U.S.
Canada
Comes On
Comes On
Comes On
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361
uuBrakinguBrake System
Driving
■The system automatically cancels when:
• You depress the brake pedal and change to
(P or (R .
• You engage the parking brake.
Under the following conditions, the system automatically cancels, and the parking brake is applied: • Braking is kept for more than 10 minutes.
• The driver’s seat belt is unfastened.
• The power system is turned off.
• Brake Hold System Problem appears on the driver information interface.
■ Turning off the automa tic brake hold system
While the system is on, press the automatic
brake hold button again.
uThe automatic brake hold system
indicator goes off.
If you want to turn off automatic brake hold
while the system is in operation, press the
automatic brake hold button with the brake
pedal depressed.
1Automatic Brake Hold
While the system is activated, you can turn off the power system or park th e vehicle through the same
procedure as you normally do.
2 When Stopped P. 364
Whether the system is on, or the system is activated,
the automatic brake hold turns off once the power
system is off.
Make sure to turn off the automatic brake hold
system before using an automated car wash.
You may hear an operating noi se if the vehicle moves
while the automatic brake hold system is in
operation. The system generates sound while holding
the vehicle and it moves.
Automatic Brake
Hold Button
Goes
Off
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362
uuBrakinguAnti-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 distributi on (EBD) system, which is part of the ABS, also
balances the front-to-rear braking distri bution 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 pe dal. This is sometimes referred to as
“stomp and steer.” ■ ABS operation
You may hear an operating noise when the ABS is working. Depress the brake pedal
and keep holding the pedal firmly down. On dry pavement, you will need to press
on the brake pedal very hard before the AB S 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 unde r 6 mph (10 km/h), the ABS stops.
■ABS1Anti-lock Brake System (ABS)
NOTICE
The ABS may not function correctly if you use an
incorrect tire type and size.
When the ABS indicator comes on while driving,
there may be a problem with the system.
While normal braking is not affected, there is a
possibility of the ABS not operating. Have your
vehicle checked by an authorized Acura NSX dealer
immediately.
The ABS does not reduce the ti me or distance it takes
to stop the vehicle. It only helps with steering control
during hard braking.
In the following cases, yo ur vehicle may need more
stopping distance than a vehicle without the ABS:
• When driving on rough road surfaces, including
when driving on uneven surf aces, such as gravel or
snow.
• When tire chains are installed.
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.
These sounds are normal to ABS systems and are
no cause for concern.
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363
uuBrakinguBrake 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, an operating noise may be heard. This is normal. Keep
holding the brake pedal firmly down.
■Brake Assist System
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364
Driving
Parking Your Vehicle
When Stopped 1.Depress the brake pedal firmly.
2. With the brake pedal depressed, pull up th e electric parking brake switch slowly,
but fully.
3. Change the gear position to
(P .
4. Turn off the power system.
uThe electric parking brake indicator goes off in about 15 seconds.
Always confirm the electric parking brake is se t, in particular if you are parked on an
incline.
During Auto Engine Stop, th e gear position changes to
(P and the engine restarts
automatically under the following conditions:
• You unfasten the driver side seat belt and open the door.
1Parking Your Vehicle
Do not park your vehicle near flammable objects,
such as dry grass, oil, or timber.
Heat from the exhaust can cause a fire.
3WARNING
The vehicle can roll aw ay if left unattended
without confirming that Park is engaged.
A vehicle that rolls away could cause a crash
resulting in seriou s injury or death.
Always keep your foot on the brake pedal
until you have confirmed that
(P is shown
on the gear position indicator.
1When Stopped
NOTICE
The following can damage the driveline: • Depressing the accelera tor and brake pedals
simultaneously.
• Changing to
(P before the vehicle stops completely.
When facing uphill, do not hold the vehicle by
depressing the accelerator pedal.
Doing so may cause the power system to overheat
and fail.
In extremely cold temperatures, the parking brake may
freeze up if applied. If such temperatures are expected, do
not apply the parking brake. If parking on a slope, either
turn the steering wheel so one of the front tires will contact
the curb or block the wheels to keep the vehicle from
moving. If you do not take either precaution, the vehicle
may roll unexpectedly, leading to a crash.
When the Integrated Dynamics System mode is in QUIET mode or SPORT mode
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365
uuParking Your VehicleuParking Sensor System*
Continued
Driving
Parking Sensor System *
The corner and center sensors monitor obstacles around your vehicle, and the
beeper and audio/information screen le t you know the approximate distance
between your vehicle and the obstacle. ■ The sensor location and range
1Parking Sensor System *
Even when the system is on, always confirm if there is
no obstacle near your ve hicle before parking.
The system may not work properly when:
• The sensors are covered with snow, ice, mud or
dirt.
• The vehicle is on uneven su rface, such as grass,
bumps, or a hill.
• The vehicle has been out in hot or cold weather.
• The system is affected by devices that emit ultrasonic waves.
• Driving in bad weather.
The system may not sense:
• Thin or low objects.
• Sonic-absorptive materials, such as snow, cotton,
or sponge.
• Objects directly under the bumper.
Do not put any accessories on or around the sensors.
Within about 24 in (60 cm) or less
Front Corner Sensors
Rear Corner Sensors R
ear Center Sensors
Within about 43 in (110 cm) or less
Within about 39 in (100 cm) or less
Front Center Sensors
* Not available on all models
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366
uuParking Your VehicleuParking Sensor System*
Driving
■
Parking sensor system on and off
With the power mode in ON, press the
parking sensor system button to turn the
system on or off. The indicator in the button
comes on when the system is on.
The rear center and corner sensors start to
detect an obstacle when the transmission is in
(R, and the vehicle speed is less than 5 mph
(8 km/h).
The front center and corner sensors start to
detect an obstacle when the transmission is not in
(P , and the vehicle speed is less than 5
mph (8 km/h).
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367
uuParking Your VehicleuParking Sensor System*
Continued
Driving
■
When the distance between your vehicle and detected obstacles becomes shorter
*1: At this stage, only the center sensors detect obstacles.
Length of the
intermittent beepDistance between the Bumper and Detected
Obstacle
IndicatorAudio/information screen
Corner SensorsCenter Sensors
Moderate—
Front: About 39-24 in (100-60 cm)
Rear: About 43-24 in (110-60 cm)
Blinks in Yellow *1
ShortAbout 24-18 in
(60-45 cm) About 24-18 in (60-45 cm)
Blinks in Amber
Very shortAbout 18-14 in
(45-35 cm) About 18-14 in (45-35 cm)
ContinuousAbout 14 in
(35 cm) or lessAbout 14 in
(35 cm) or lessBlinks in Red
Indicators light where the
sensor detects an obstacle.
Indicators light where the
sensor detects an obstacle.
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uuParking Your VehicleuParking Sensor System*
368
Driving
1. Make sure that the parking sensor system is not activated. Set the power mode to
VEHICLE OFF.
2. Press and hold the parking sensor system button, and set the power mode to ON.
3. Keep pressing the button for ten seconds. Release the button when the indicator
in the button blinks.
4. Press the button again. The indi cator in the button goes off.
uThe beeper sounds twice. The re ar sensors are now turned off.
To turn the rear sensors on again, follow the above procedure. The beeper sounds
three times when the rear sensors come back on.
■Turning Off All Rear Sensors1Turning Off All Rear Sensors
When you select
(R , the indicator in the parking
sensor system button blinks as a reminder that the
rear sensors have been turned off.
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