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171
uuOperating the Switches Around the Steering Wheel uAuto High-Beam
Continued
Controls
Auto High-Beam
Uses the camera attached to the windsh ield, monitors the space ahead of your
vehicle, and automatically changes th e low beam headlights to high beam
headlights when necessary.1 Auto High-Beam
The auto high-beam determines when to change the
headlight beams by responding to the brightness of
the lights ahead of your vehicle. In the following
cases, the system may not respond to the lights
properly:
•The brightness of the lights from the preceding or
oncoming vehicle is intense or poor.
•Visibility is poor due to the weather (rain, snow,
fog, windshield frost, etc.).
•Other light sources, such as street lights and
electric billboards are illuminating the road ahead.
•The brightness level of th e road ahead constantly
changes.
•The road is bumpy or with many curves.
•A vehicle cuts in front of you, or a vehicle in front
of you is not in the preceding or oncoming
direction.
•Your vehicle is tilted with a heavy load in the rear.
If you find the timing of beam changes inconvenient
for driving, change the headlight beams manually.
■The headlight switch is in AUTO.■The lever is in the low beam
position.
■The system recognizes that you
are driving at night and the low
beam headlights come on.
■The vehicle speed is above 35 mph
(56 km/h).
The system operates when:
The camera is not detecting any lights coming from preceding or oncoming
vehicles: The headlights change to high beams.
25-degrees
The camera detects lights coming from a preceding or oncoming vehicle: The
headlights are return
ed to low beams.
The camera monitors the range within the 50-degrees view angle. The distance
that the camera can detect lights ahead differs depending on conditions, such as
the brightness of the lights and the weather.
The system changes between high and low beam headlights when:
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Page 368 of 581

367Continued
Driving
When Driving
Starting the Engine
1.Make sure the parkin g brake is applied.
u The electric parking brake indicator
comes on for 15 seconds when you press
the electric parking brake switch.
2. Depress the brake pedal.
u Make sure the transmission is in
(P.
3. Press the ENGINE START/STOP button
without depressing the accelerator pedal.
The engine will crank until it starts.
1 Starting the Engine
Keep your foot firmly on the brake pedal when
starting the engine.
The engine is harder to st art in cold weather and in
thinner air found at altitudes above 8,000 feet (2,400
meters).
When starting the engine in cold weather, turn off all
electrical accessories such as the lights, climate control
system, and rear defogger in order to reduce battery drain.
If you live in a region where winter is extremely cold,
an engine block heater and transmission clutch
actuator heater will impr ove starting and warming of
the engine. Consult a dealer for details.
If the exhaust system sounds abnormal or you can
smell exhaust gas inside the vehicle, have your vehicle
checked by a dealer. There may be a problem with
the engine or exhaust system.
Bring the keyless access remote close to the ENGINE
START/STOP button if the batte ry in the keyless
access remote is weak.
2 If the Keyless Access Remote Battery is
Weak P. 535
The engine may not start if the keyless access remote
is subjected to strong radio waves.
Do not hold the ENGINE START/STOP button to
start the engine.
If the engine does not start, wait at least 30 seconds
before trying again.
Brake Pedal
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Page 397 of 581

uuWhen Driving uAdaptive Cruise Control (ACC) with Low Speed Follow (LSF)
396
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. 388
■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 hot.
• The parking brake is applied.
• When the front grille is dirty.
• When the front of the vehicle tilts up due to heavy cargo in the cargo area or rear
seats.
• 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. 436
You can read about handling information for the
camera equipped with this system. 2 Front Sensor Camera P. 388
* Not available on all models
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Page 410 of 581

409
uuWhen Driving uRoad Departure Mitigation (RDM) System
Driving
■Roadway conditions
• Driving on a snowy or wet roadway (obs cured 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 extremel y 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).
• When driving on roads with double lines.
■Vehicle conditions
• Headlight lenses are dirty or the h eadlights 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 hot.
• An abnormal tire or wheel condition (wro ng 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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417
uuWhen Driving uLane Keeping Assist System (LKAS)
Driving
■Roadway conditions
• Driving on a snowy or wet roadway (obs cured 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 extremel y 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).
• When driving on roads with double lines.
■Vehicle conditions
• Headlight lenses are dirty or the h eadlights 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 hot.
• An abnormal tire or wheel condition (wro ng 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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Page 441 of 581

440
uuBraking uCollision Mitigation Braking SystemTM (CMBSTM)
Driving
The system may automatically shut off and the CMBSTM indicator will come on under
certain conditions. Some examples of th ese conditions are listed below. Other
conditions may reduce some of the CMBS
TM functions.
2 Front Sensor Camera P. 388
■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 misint erpreted as vehicles and pedestrians.
• Reflections on the interior of the front windshield.
■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.
■CMBSTM Conditions and Limitations
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Page 442 of 581
441
uuBraking uCollision Mitigation Braking SystemTM (CMBSTM)
Continued
Driving
■Vehicle conditions
• Headlight lenses are dirty or the h eadlights 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 (wro ng 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 hot.
• 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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481
Maintenance
Replacing Light Bulbs
Headlights
Headlights are LED type. Have an authorized Acura dealer inspect and replace the
light assembly.
Front Turn Signal/Parking, Daytime Running and
Front Side Marker Lights
Front turn signal/parking, daytime running and front side marker lights are LED type.
Have an authorized Acura dealer in spect and replace the light assembly.
Fog Lights*
Fog lights are LED type. Have an authoriz ed Acura dealer inspect and replace the
light assembly.
Side Turn Signal/Emer gency Indicator Lights
Door mirror side turn lights are LED type. Have an authorized Acura dealer inspect
and replace the light assembly.
1 Headlights
The headlight aim is set by the factory, and does not
need to be adjusted.
However, if you regularly carry heavy items in the
cargo area or tow a tra iler, have the aiming
readjusted at a dealer or by a qualified technician.
Models without automatic headlight adjusting system
* Not available on all models
17 ACURA MDX-31TZ56300.book 481 ページ 2016年5月13日 金曜日 午後7時46分