light Acura MDX 2019 Owner's Guide
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uuSecurity System uSecurity System Alarm
Controls
■The panic button  on the remote 
transmitter
If you press the panic button for 
approximately one second, the following will 
occur for about 30 seconds:
• The horn sounds.
• Some exterior lights flash.
■Canceling panic mode
• Press any button on the remote transmitter.
• Set the power mode to ON.
■Panic Mode
Panic 
Button
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Controls
Opening and Closing the Windows
Opening/Closing the Power Windows
The power windows can be opened and closed when the power mode is in ON, 
using the switches on the doors.
The driver’s side switches can be used to open and close all the windows. The power 
window lock button on the driver’s side must be switched off (not pushed in, 
indicator off) to open  and close the windows from anyw here other than the driver’s 
seat.
When the power window lock button is pu shed in, the indicator comes on and you 
can only operate the driver’s window. Turn the power window lock button on if a 
child is in the vehicle.
■Manual operation
To open:  Push the switch  down lightly, and 
hold it until the desired position is reached.
To close:  Pull the switch up lightly, and hold it 
until the desired position is reached.
■Automatic operation
To open:  Push the switch down firmly.
To close: Pull the switch up firmly.
The window opens or cl oses completely. To 
stop the window at any time, push or pull the 
switch briefly.
■Opening/Closing Windows with Auto-Open/Close Function
1 Opening/Closing the Power Windows
The power windows can be  operated for up to 10 
minutes after you set the power mode to VEHICLE 
OFF (LOCK).
Opening either front door cancels this function.
Auto Reverse
If a power window senses  resistance when closing 
automatically, it will  stop closing and reverse 
direction.
The driver’s window auto re verse function is disabled 
when you continuously pull up the switch.
The auto reverse function  stops sensing when the 
window is almost closed to en sure that it fully closes.
3WARNING
Closing a power window on someone’s 
hands or fingers can cause serious injury.
Make sure your passengers are away from 
the windows before closing them.
ON
OFF
Power Window 
Lock Button
Rear Passenger’s 
Window Switches
Front Passenger’s 
Window Switch
Driver’s Window 
Switch
Indicator
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168
Controls
Moonroof
You can only operate the moonroof when the power mode is in ON. Use the switch 
in the front of the ceiling to open and close the moonroof.
■Automatic operation
To open:  Pull the switch back firmly.
To close: Push the switch forward firmly.
The moonroof will automa tically open or close 
all the way. To stop the moonroof midway, 
push the switch briefly.
■Manual operation
To open:  Pull the switch back lightly, and 
hold it until the desired position is reached.
To close: Push the switch forward lightly, and 
hold it until the desired position is reached.
■Tilting the moonroof up
To tilt:  Push on the center of the moonroof 
switch.
To close: Push the switch forward firmly, then 
release.
■Opening/Closing the Moonroof1 Opening/Closing the Moonroof
NOTICE
Opening the moonroof in below freezing 
temperature or when it is  covered with snow or ice 
can damage the moonr oof panel or motor.
The power moonroof can be operated for up to 10 
minutes after you set the power mode to VEHICLE 
OFF (LOCK).
Opening either front door cancels this function.
When resistance is detected, the auto reverse 
function causes the moonroof to change directions, 
then stop. Auto reverse stops sensing when the 
moonroof is almost closed to ensure that it fully 
closes. Make sure that al l objects, including fingers, 
are clear of the moonroof.
You can use the remote transmitter or the key to 
operate the moonroof. 2 Opening the Windows and Moonroof with 
the Remote  P. 167
2 Opening/Closing the Windows and 
Moonroof with the Key  P. 167
3WARNING
Opening or closing the moonroof on 
someone’s hands or fingers can cause 
serious injury.
Make sure all hands and fingers are clear of 
the moonroof before opening or closing it.
Open
CloseTilt
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uuOperating the Switches Around the Steering Wheel uTurn Signals
Controls
Turn Signals
The turn signals can be  used when the power 
mode is in ON.
■One-touch turn signal
When you lightly push up or down and release 
the turn signal lever, th e exterior turn signals 
and turn signal indicator blink three times.
This feature can be used  when signaling for a 
lane change.
Right Turn
Left Turn
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uuOperating the Switches Around the Steering Wheel uLight Switches
Continued
Controls
Light Switches
Rotating the light switch turns the lights on 
and off, regardless of the power mode 
setting.
■High beams
Push the lever forward until you hear a click.
■Low beams
When in high beams, pull the lever back to 
return to low beams.
■Flashing the high beams
Pull the lever back, and release it.
■Lights off
Turn the lever to  OFF either when:
• The transmission is in 
(P.
• The parking brake is applied.
To turn the light s on again, turn the lever to 
OFF  to cancel the lights  off mode. Even if you 
do not cancel the lights  off mode, the lights 
come on automatically when:
• The transmission is taken out of 
(P and the 
parking brake is released.
• The vehicle starts to move.
■Manual Operation1Light Switches
If you leave the power mode  in VEHICLE OFF (LOCK) 
while the lights are on, a chime sounds when the 
driver’s door is opened.
When the lights are on, the  lights on indicator in the 
instrument pane l will be on.
2 Lights On Indicator P. 89
Do not leave the lights on when the engine is off 
because it will  cause the battery to discharge.
If you sense that the le vel of the headlights is 
abnormal, have the vehicl e inspected by a dealer.
Your vehicle is equipped with the automatic 
headlight adjusting system that automatically adjusts 
the vertical angle of the high/low beam headlights. If 
you find a significant  change in the vertical angle of 
the headlights, there may be a problem with the 
system. Have your vehicle checked by a dealer.
Models without automatic headlight adjusting system
Models with automatic headlight adjusting system
High Beams
Flashing the high beams
Low Beams
Turns on parking, side marker, 
tail, and rear license plate lights
Turns on headlights, parking, 
side marker, tail, and rear 
license plate lights
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uuOperating the Switches Around the Steering Wheel uLight Switches
174
Controls
Automatic lighting control can be used when 
the power mode is in ON.
When the light switch is in  AUTO, the 
headlights and other exterior lights will switch 
on and off automatica lly depending on the 
ambient brightness.
u You can change the au to light sensitivity 
setting.
2 Customized Features  P. 126, 360
The headlights comes on when you unlock a 
door in dark areas with the headlight switch in 
AUTO.
u Once you lock the door, the headlights 
will go off.
■Automatic Operation (automatic lighting control)1Automatic Operation (aut omatic lighting control)
We recommend that you tu rn on the lights manually 
when driving at night, in a  dense fog, or in dark areas 
such as long tunnels  or parking facilities.
The light sensor is in the location shown below.
Do not cover this light  sensor with anything; 
otherwise, the automatic lighting system may not 
work properly.
Light Sensor
Models with automatic 
intermittent wipers
Models without automatic 
intermittent wipers
Light Sensor
U.S. models
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uuOperating the Switches Around the Steering Wheel uLight Switches
Controls
The headlights automatically come on when the wipers are used several times within 
a certain number of intervals with the headlight switch in  AUTO.
The headlights automatically go off a few minutes later if the wipers are stopped.
The headlights, all other exterior lights, a nd the instrument panel lights turn off 15 
seconds after you set the po wer mode to VEHICLE OFF (LOCK), take the remote with 
you, and close the driver’s door.
If you set the power mode to VEHICLE OFF  (LOCK) with the headlight switch on, but 
do not open the door, the lights turn off a fter 10 minutes (3 minutes, if the switch 
is in the  AUTO position).
The lights turn on again when you unlock or open the driver’s door. If you unlock 
the door, but do not open it within 15 seconds, the lights go off. If you open the 
driver’s door, you will hear a lights on reminder chime.
■Headlight Integration with Wiper
■Automatic Lighting Off Feature
1 Automatic Operation (aut omatic lighting control)
You can adjust the auto li ght sensitivity as follows:
2 Customized Features  P. 126, 360
SettingThe exterior lights come on 
when the ambient light is at
Max
High
Mid
Low
Min
U.S. models
Bright
Dark
1 Headlight Integration with Wiper
This feature activates while the headlights are off in 
AUTO .
The instrument panel br ightness does not change 
when the headlights come on.
At dark ambient light levels, the automatic lighting 
control feature turns on the headlights, regardless of 
the number of wiper sweeps.
1 Automatic Lighting Off Feature
You can change the headlight  auto off timer setting.
2 Customized Features  P. 126, 360
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uuOperating the Switches Around the Steering Wheel uFog Lights*
Controls
Fog Lights*
When the low beam headlights are on, turn 
the fog light switch on to use the fog lights.
Daytime Running Lights
The daytime running lights come on when the following conditions have been met:
• The power mode is in ON.
• The headlight switch is in  AUTO or  .
• The parking brake is released.
The lights remain on even if you set the  parking brake. Setting the power mode to 
VEHICLE OFF (LOCK) will turn  off the daytime running lights.
The daytime running lights are off once the  headlight switch is turned on, or when 
the head light switch is in  AUTO and it is getting darker outside.
Fog Light Switch
* Not available on all models
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uuOperating the Switches Around the Steering Wheel uAuto High-Beam
Continued
Controls
Auto High-Beam
Using a camera mounted to the inside of the windshield, this system detects light 
sources ahead of the vehicle. Depending on the light source, the system 
automatically switches the headlights to hi gh beam for optimal visibility at night.1Auto 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 has 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.
If you do not want the system  to be activated at any 
time when the headlight switch is in AUTO , consult a 
dealer or disable the system. 2 Disabling or Re-enabling the System  P. 179
■The headlight switch is in AUTO.■The lever is in the low beam 
position.
■The low beams are on and the 
system recognizes that you are 
driving at night.
■The vehicle speed is above 45 mph 
(72 km/h).
The system operates when:
When the camera detects lig hts coming from a preceding or oncoming vehicle, the 
headlights remain in low beam.
When the camera detects no lights coming  from a preceding or oncoming vehicle, 
the headlights change to high beam.
The view angle or distance that the camera can detect lights ahead differs 
depending on conditions, such as the brightness of the lights and the weather.
How it works
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uuOperating the Switches Around the Steering Wheel uAuto High-Beam
178
Controls
To activate the system, turn the headlight 
switch to  AUTO and then set the headlights 
to low beam. The auto high-beam indicator 
will come on.
2 Light Switches  P. 173
The high beams remain on unless:
•You have been driving below 45 mph (72 km/h) for an extended amount of time.
• The speed of the vehicle drops below 30 mph (48 km/h).
• The windshield wipers have been running at a high speed for more than a few 
seconds.
• You enter a well lit location.
The high beams come back on once the condition that caused them to turn off no 
longer exists.
If needed, you can temporar ily turn the system off manually. Turn on the high 
beams by pushing the lever forward until yo u hear a click, or flash the high beams 
once by pulling the lever toward  you. To turn the system back on, repeat one of the 
procedures.
■Operating the System1 Operating the System
For the auto high-beam to work properly:
•Do not place an object that reflects light on the 
dashboard.
•Keep the windshield around the camera clean.•Do not attach an object, sticker or film to the area 
around the camera.
If the camera receives a st rong impact, or repairing of 
the area near the camera is  required, consult a dealer.
If the Some Driver Assist Systems Cannot 
Operate: Camera Temperature Too High  message 
appears:
•Use the climate control system to cool down the 
interior and, if necessary,  also use defroster mode 
with the airflow directed toward the camera.
•Start driving the vehicle to lower the windshield 
temperature, which cool s down the area around 
the camera.
If the Some Driver Assist Systems Cannot 
Operate: Clean Front Windshield  message 
appears:
•Park your vehicle in a sa fe place, and clean the 
windshield. If the message does not disappear after 
you have cleaned the winds hield and driven for a 
while, have your vehicle checked by a dealer.
Headlight 
Switch
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