brake Acura MDX 2019 Workshop Manual

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uuWhen Driving uAuto Idle Stop
Driving
The vehicle stops with the gear position in (D and the brake pedal depressed.
When you put the transmission into
(P, the Auto Idle Stop continues to operate,
even if the brake pedal is released. u If you change the gear position, th e engine may automatically restarts.
■Auto Idle Stop does not activate when:
• The Auto Idle Stop OFF button is pressed.
• The driver’s seat belt is not fastened.
• The engine coolant temperature is low or high.
• The transmission fluid temperature is low or high.
• The vehicle comes to a stop again befo re the vehicle speed reaches 3 mph (5
km/h) after the engine starts.
• Stopped on a steep incline.
• The transmission is in a position other than
(D.
• The engine is started with the hood open.
u Turn off the engine. Close the hood before you restart the engine to activate
Auto Idle Stop.
• The battery charge is low.
• The internal temperature of the ba ttery is 14°F (−10°C). or less.
• The climate control system is in use, and the outside temperature is below −4°F
(−20°C) or over 104°F (40°C).
• The climate control system is in use, and the temperature is set to the Hi or Lo.
• is ON (indicator on).
• When the rear fan is set to maximum speed.
u Auto Idle Stop may not activate under other conditions when the rear climate
control system is in use.
■Auto Idle Stop Activates When:1 Auto Idle Stop Activates When:
When ACC with LSF is in operation, the vehicle stops
without depressing the br ake pedal and Auto Idle
Stop may activate.
Do not open the hood while the Auto Idle Stop
function is activated. If the hood is opened, the
engine will not re start automatically.
In this case, restart the engine with the ENGINE
START/STOP button. 2 Starting the Engine P. 467
Pressing the ENGINE START/STOP button changes
the power mode to ACCESSORY even while Auto Idle
Stop is in operation. Once in ACCESSORY, the engine
no longer restarts automatica lly. Follow the standard
procedure to start the engine.
2 Starting the Engine P. 467
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uuWhen Driving uAuto Idle Stop
Driving
• The brake pedal is released (without the automatic brake hold system activated).
• The accelerator pedal is depressed (with the automatic brake hold system
activated).
2 Automatic Brake Hold P. 535
■The engine restarts even if the brake pedal is depressed*1 when:
• The Auto Idle Stop OFF button is pressed.
• A steering wheel is operated.
• The transmission is put into
(R or (S, or when it is set from (N to (D.
u If you put the tra nsmission into
(P after the Auto Idle Stop activates, the Auto
Idle Stop continues to operate. In this case, the engine restarts when you
change the gear position other than
(P. When changing the gear position, the
brake pedal must be firmly depressed.
• The pressure on the brake pedal is reduced and the vehicle starts moving while
stopped on an incline.
• The pressure on the brake pedal is repeat edly applied and released slightly during
a stop.
• The battery charge becomes low.
• The accelerator pedal is depressed.
• The driver’s seat belt is unlatched.
• is ON (indicator on).
• The climate control system is in use, and the difference between the set
temperature and actual interior temperature becomes significant.
• The climate control system is being used to dehumidify the interior.
• The vehicle ahead of you starts again when your vehicle stops automatically with
ACC with LSF.
■The Engine Automatically Restarts When:1 The Engine Automatically Restarts When:
If you are using an electroni c device during Auto Idle
Stop, the device may tempor arily be turned off when
the engine restarts.
1 The engine restarts even if the brake pedal is depressed*1 when:
*1: With the automatic brake hold system activated,
you can release the brake pe dal during Auto Idle Stop
is in operation.
If the automatic brake hold system has been turned
off, or if there is a problem with the system, the
engine will restart automatically when you release
the brake pedal.
2 Automatic Brake Hold P. 535
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488
uuWhen Driving uAuto Idle Stop
Driving
Briefly keeps the brake applied after releasi ng the brake pedal to restart the engine.
This can keep your vehicle from unexpectedly moving while on an incline.
■Starting Assist Brake Function
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492
uuWhen Driving uAdaptive Cruise Control (ACC) with Low Speed Follow (LSF)
Driving
Adaptive Cruise Control (ACC) with Low Speed
Follow (LSF)
Helps maintain a constant vehicle speed an d a set following-interval behind a vehicle
detected ahead of yours and, if the detect ed vehicle comes to a stop, can decelerate
and stop your vehicle, without you having to keep your foot on the brake or the
accelerator.
When ACC with LSF slows your vehicle by applying the brakes, your vehicle’s brake
lights will illuminate.
1 Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)
Important Reminder
As with any system, there are limits to ACC with LSF.
Use the brake pedal whenever necessary, and always
keep a safe interval between your vehicle and other
vehicles.
Be careful not to severely impact the radar sensor
cover.
3WARNING
Improper use of ACC wi th LSF can lead to a
crash.
Use ACC with LSF only when driving on
expressways or freeways and in good
weather conditions.
3WARNING
ACC with LSF has limite d braking capability
and may not stop your vehicle in time to
avoid a collision with a vehicle that quickly
stops in front of you.
Always be prepared to apply the brake
pedal if the conditions require.
When to use
■Vehicle speed for ACC with LSF: A vehicle is detected ahead within ACC with
LSF range – ACC with LSF operates at speeds up to 90 mph (145 km/h).
No vehicle is detected within ACC with LSF range – ACC with LSF operates at
the speed of about 25 mph (40 km/h) or above.
■Gear position for ACC with LSF: In ( D or (S. The radar sensor is
behind the emblem.
The camera is
located behind the
rearview mirror.
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uuWhen Driving uAdaptive Cruise Control (ACC) with Low Speed Follow (LSF)
Driving
■How to activate the system1Adaptive Cruise Control (ACC) with Low Speed Follow (LSF)
When the MAIN button is pressed, both ACC with
LSF and the Lane Keeping Assist System (LKAS) are
either turned on or off.
ACC with LSF may not work properly under certain
conditions. 2 ACC with LSF Conditions and Limitations
P. 498
When not using ACC with LSF: Turn off adaptive
cruise by pressing the MAIN button. This also will
turn off the Lane Keeping Assist System (LKAS).
Do not use ACC with LSF under the following
conditions.
•On roads with heavy traf fic or while driving in
continuous stop and go traffic.
•On roads with sharp turns.
•On roads with steep downhill sections, as the set
vehicle speed can be exceeded by coasting. In such
cases, ACC with LSF will not apply the brakes to
maintain the set speed.
•On roads with toll collection facilities or other
objects between lanes of traffic, or in parking
areas, or faci lities with driv e through access.
■Press the MAIN button on
the steering wheel. ACC
(green) is on in the
instrument panel.
ACC with LSF is ready to
use.
How to use
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494
uuWhen Driving uAdaptive Cruise Control (ACC) with Low Speed Follow (LSF)
DrivingWhen driving at about 25 mph (40 km/h) or above: Take your foot off the
pedal and press down the RES/+/ SET/– switch when you re ach the desired speed.
The moment you release the switch, the set speed is fixed, and ACC with LSF begins.
When driving at slower than about 25 mph (40 km/h): If the vehicle is moving
and the brake pedal is not depr essed, pressing the switch fixes the set speed to about
25 mph (40 km/h) regardless of current vehi cle speed. While stationary and a vehicle
is ahead of you, the vehicle speed can be set, even with the brake pedal depressed. When ACC with LSF starts operating, the
vehicle icon, interval bars and set speed
appear on the MID.
■To Set the Vehicle Speed
On when ACC with LSF
beginsPress down and release
RES/+/SET/− Switch
Set Vehicle Speed
Set Vehicle Interval
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uuWhen Driving uAdaptive Cruise Control (ACC) with Low Speed Follow (LSF)
Driving
■There is a vehicle ahead
ACC with LSF monitors if a vehicle ahead of you enters the ACC with LSF range. If a
vehicle is detected doing so, the ACC with LSF system maintains or decelerates your
vehicle’s set speed in order to keep the ve hicle’s set following-interval from the
vehicle ahead.
2 To Set or Change Following-interval P. 501
When a vehicle whose speed is slower than
your set speed is detected in front of you, your
vehicle starts to slow down.
■When in Operation1When in Operation
If the vehicle detected ahead of you slows down
abruptly, or if a nother vehicle is de tected cutting in
front of you, the beep er sounds and a message
appears on the MID, and the head-up warning lights
*
come on.
Depress the brake pedal, and keep an appropriate
interval from the vehicle ahead.
Even if the interval betw een your vehicle and the
vehicle detected ahead is short, ACC with LSF may
start accelerating your vehicle under the following
circumstances:
•The vehicle ahead of you is going at almost the
same speed as, or faster than, your vehicle.
•A vehicle that cuts in front of you is going faster
than your vehicle, gradua lly increasing the interval
between the vehicles.
Beep
Head-up Warning
Lights
*
ACC with LSF Range: 394 ft. (120 m)
A vehicle icon appears
on the MID.
* Not available on all models
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uuWhen Driving uAdaptive Cruise Control (ACC) with Low Speed Follow (LSF)
496
Driving
■There is no vehicle ahead
Your vehicle maintains the set speed without
having to keep your foot on the brake or
accelerator pedal.
If there previously was a vehicle detected
ahead that kept your vehicle from traveling at
the set speed, ACC with LSF accelerates your
vehicle to the set speed, and then maintains it.
While stationary and no vehicle is detected,
ACC with LSF automatically cancels and a
beeper sounds.
■When you depress the accelerator pedal
You can temporarily increase th e vehicle speed. In this case, there is no audible or
visual alert even if a vehicle is in the ACC with LSF range.
ACC with LSF stays on unless you cancel it. Once you release the accelerator pedal,
the system resumes the set speed.
There are times when the vehicle speed will decrease when the accelerator pedal is
lightly applied.
A vehicle icon with dotted-line
contour appears on the MID.
1 When in Operation
You can also set the system to beep when a vehicle
detected in front of you co mes in and goes out of the
ACC with LSF detecting range. Change the ACC
Forward Vehicle Detect Beep setting.
2 Customized Features P. 126, 360
Limitations
You may need to use the brake to maintain a safe
interval when using ACC wi th LSF. Additionally, ACC
with LSF may not work properly under certain
conditions. 2 ACC with LSF Conditions and Limitations
P. 498
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uuWhen Driving uAdaptive Cruise Control (ACC) with Low Speed Follow (LSF)
498
Driving
The system may automatically shut off and the ACC indicator will come on under
certain conditions. Some examples of th ese conditions are listed below. Other
conditions may reduce some of the ACC functions.
2 Front Sensor Camera P. 490
■Environmental conditions
Driving in bad weather (r ain, fog, snow, etc.).
■Roadway conditions
Driving on a snowy or wet roadway (obscure d lane marking, vehicle tracks, reflected
lights, road spray, high contrast).
■Vehicle conditions
• The outside of the windshie ld is blocked by dirt, mud, leaves, wet snow, etc.
• An abnormal tire or wheel condition (Wrong sized, varied size or construction,
improperly inflated, compact spare tire
*, etc.).
• The camera temperature gets too high.
• The parking brake is applied.
• When the front grille is dirty.
• The vehicle is tilted due to a heav y load or suspension modifications.
• When tire chains are installed.
■ACC with LSF Conditions and Limitations1ACC with LSF Conditions and Limitations
The radar sensor for ACC with LSF is shared with the
Collision Mitigati on Braking System
TM (CMBSTM).
2 Collision Mitigation Braking SystemTM
(CMBSTM) P. 539
You can read about handling information for the
camera equipped with this system. 2 Front Sensor Camera P. 490
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.
Do not put a sticker on the radar sensor cover or
replace the radar sensor cover.
* Not available on all models
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uuWhen Driving uAdaptive Cruise Control (ACC) with Low Speed Follow (LSF)
Driving
■Detection limitations
• A vehicle or pedestrian suddenly crosses in front of you.
• The interval between your vehicle and the vehicle or pedestrian ahead of you is
too short.
• A vehicle cuts in front of you at a slow speed, and it brakes suddenly.
• When you accelerate rapidly and approach the vehicle or pedestrian ahead of you
at high speed.
• 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 or winding or undulating road that makes it difficult
for the sensor to properly detect a vehicle or a pedestrian in front of you.
• The speed difference between your vehi cle and a vehicle in front of you is
significantly large.
• An oncoming vehicle suddenly comes in front of you.
• Your vehicle abruptly crosses over in front of an oncoming vehicle.
• When driving through a narrow iron bridge.
• When the vehicle ahead of you brakes suddenly.
• When the vehicle ahead of you has a unique shape.
• When your vehicle or the vehicle ahead of you is driving on one edge of the lane.1ACC with LSF Conditions and Limitations
If you need the radar sensor to be repaired, or
removed, or the radar se nsor cover is strongly
impacted, turn off the system by pressing the MAIN
button and take your vehicle to a dealer.
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 ra dar sensor may not work
properly. Have your vehi cle 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.
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