2020 Acura ILX Owner's Manual

uuAcuraWatchTMuAdaptive Cruise Control (ACC)
464
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. 489
■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 Conditions and Limitations1ACC Conditions and Limitations
Have your vehicle checked by a dealer if you find any
unusual behavior of the system (e.g., the warning
message appears too frequently).
* Not available on all models
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uuAcuraWatchTMuAdaptive Cruise Control (ACC)
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Driving
■Detection limitations
• A vehicle suddenly crosses in front of you.
• The interval between your vehicle and the vehicle 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 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 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.
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466
uuAcuraWatchTMuAdaptive Cruise Control (ACC)
Driving
• 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.
Radar detects upper section
of an empty carrier truck. Panel truck, tanker
truck, etc.
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uuAcuraWatchTMuAdaptive Cruise Control (ACC)
Driving
Increase or decrease the vehicle speed using the RES/ACCEL or DECEL/SET buttons
on the steering wheel.
• Each time you press the button, the vehicl e speed is increased or decreased by
about 1 mph or 1 km/h accordingly.
• If you keep the button pressed, the vehicle speed increases or decreases by about
5 mph or 5 km/h accordingly.
■To Adjust the Vehicle Speed1To Adjust the Vehicle Speed
If a vehicle detected ahead is going at a speed slower
than your increased set speed, ACC may not
accelerate your vehicle. This is to maintain the set
interval between your vehi cle and the vehicle ahead.
You can switch the displayed set speed
measurements on the multi- information display or
information screen between mph and km/h.
2 Customized Features P. 95, 310
To increase speed
To decrease speed
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468
uuAcuraWatchTMuAdaptive Cruise Control (ACC)
Driving
Press the (interval) button to change the
ACC following-interval.
Each time you press the button, the following-
interval (the interval behind a vehicle detected
ahead of you) setting cycles through extra
long, long, middle, and short following-
intervals.
Determine the most appropriate following-
interval setting based on your specific driving
conditions. Be sure to adhere to any
following-interval requ irements set by local
regulation.
■To Set or Change Following-interval
Interval Button
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The higher your vehicle’s following-speed is, the longer the short, middle, long or
extra long following-interval becomes. See the following examples for your
reference.
Following-intervalWhen the Set Speed is:
50 mph (80 km/h)65 mph (104 km/h)
Short
84 feet
26 meters 1.1 sec102 feet
31 meters 1.1 sec
Middle
111 feet
34 meters
1.5 sec139 feet
43 meters
1.5 sec
Long
155 feet
48 meters 2.1 sec202 feet
62 meters 2.1 sec
Extra
Long215 feet
66 meters 3.0 sec285 feet
87 meters 3.0 sec
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uuAcuraWatchTMuAdaptive Cruise Control (ACC)
470
Driving
To cancel ACC, do any of the following:
• Press the CANCEL button.
• Press the MAIN button.
u ACC indicator goes off.
• Depress the brake pedal.
■To Cancel1To Cancel
Resuming the prior set speed: After you have
canceled ACC, you can resume the prior set speed
while it is still displayed. Press the RES/ACCEL button
when driving at a speed of at least 25 mph (40 km/h)
or more.
The set speed cannot be set or resumed when ACC
has been turned off using the MAIN button. Press
the MAIN button to activate the system, then set the
desired speed.
CANCEL
Button
MAIN
Button
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uuAcuraWatchTMuAdaptive Cruise Control (ACC)
Driving
■Automatic cancellation
The beeper sounds and a message appears on the multi-information display when
ACC is automatically cancel ed. Any of these conditions may cause the ACC to
automatically cancel:
• Bad weather (rain, fog, snow, etc.)
• When the radar sensor behind the emblem gets dirty.
• The vehicle ahead of yo u cannot be detected.
• An abnormal tire condition is de tected, or the tires are skidding.
• Driving on a mountainous road, or driving off road for extended periods.
• Abrupt steering wheel movement.
• When the ABS, VSA ® or CMBS
TM is activated.
• When the ABS or VSA ® system indicator comes on.
• When you manually apply the parking brake.
• When the detected vehicle within the AC C range is too close to your vehicle.
• The camera behind the rearview mirror, or the area around the camera, including
the windshield, gets dirty.
1 Automatic cancellation
Even though ACC has been automatically canceled,
you can still resume the prior set speed. Wait until the
condition that caused ACC to cancel improves, then
press the RES/ACCEL button.
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