Start button Acura MDX 2017 User Guide
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133
Controls
This chapter explains how to operate the various controls necessary for driving.
Clock.................................................. 134
Locking and Unlocking the Doors Key Types and Functions .................. 135
Low Keyless Access Remote Signal Strength ......................................... 137
Locking/Unlocking the Doors from the 
Outside .......................................... 138
Locking/Unlocking the Doors from the  Inside ............................................. 146
Childproof Door Locks ..................... 148
Auto Door Locking/Unlocking .......... 149
Opening and Closing the Tailgate ... 150
Security System Immobilizer System .......................... 157
Security System Alarm ...................... 157 Opening and Closing the Windows
... 160
Opening and Closing the Moonroof .. 162
Operating the Switches Around the 
Steering Wheel ENGINE START/STOP Button............. 163
Turn Signals ..................................... 166
Light Switches.................................. 167
Fog Lights
*...................................... 170
Daytime Running Lights ................... 170
Auto High-Beam .............................. 171
Wipers and Washers ........................ 174
Brightness Control ........................... 178
Rear Defogger/Heated Door Mirror Button.. 179Driving Position Memory System ...... 180
Adjusting the Steering Wheel........... 182 Adjusting the Mirrors
Interior Rearview Mirror ................... 183
Power Door Mirrors ......................... 184
Adjusting the Seats Front Seats ...................................... 186
Second Row Seats ........................... 188
Third Row Seats ............................... 197
Armrest ........................................... 198
Interior Lights/Interior Convenience Items
Interior Lights .................................. 200
Interior Convenience Items .............. 202
Climate Control System
Using Automatic Climate Control .... 213
Rear Climate Control System ........... 221
Automatic Climate Control Sensors ... 225
* Not available on all models
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uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
You can remotely check if your vehicle’s doors 
are all locked or any are unlocked using the 
keyless access remote from extended 
distances.
Press the lock button, the Am ber (LEFT) LED blinks once. Then after three seconds 
one of the following feedback will come:
• Green (center) comes on: Acknowle dges that the doors are locked.
• Red (right) comes on: Acknowledges that doors are not locked, or any door is not 
completely closed.
• Red (right) blinks three times: The remote  does not receive the door lock status 
from the vehicle.
■Checking Door Lock Status*1 Checking Door Lock Status*
Operate the remote in an open space. If there are 
buildings or other obstacl es between your vehicle 
and the remote, the remote may not work even 
within the operable range. However, the range 
required for unlocking the  tailgate and all the doors 
as well as activating the pa nic function is the same as 
that required for operating the standard keyless 
access remote. 2 Using the Remote Transmitter  P. 143
When checking the door lock  status, you can also 
start or stop the engine. 2 Remote Engine Start with Vehicle 
Feedback
* P. 369
Red
Green
Amber
Lock 
Button
* Not available on all models
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uuOpening and Closing the Tailgate uOpening/Closing the Power Tailgate
Controls
Opening/Closing the Power Tailgate
The power tailgate can be operated by  pressing the power tailgate button on the 
remote transmitter or driver's door, or pr essing the outer handle or button on the 
tailgate.
■The power tailgate can be opened when:
• The tailgate is fully closed.
• The transmission is in 
(P.
• Press and hold the tailgat e button on the remote transmitter for about one 
second when the power mode  is in VEHICLE OFF (LOCK).
u If you have changed the  Keyless Open Mode setting to When Unlocked , 
you need to unlock the tailgate before  you press the tailgate button to open it.
2Customized Features  P. 123, 285
■The power tailgate can be closed when:
• The tailgate is fully open.
• Press and hold the tailgat e button on the remote transmitter for about one 
second when the power mode  is in VEHICLE OFF (LOCK).
1Opening/Closing the Power Tailgate
NOTICE
Do not push or pull on the power tailgate when it is 
being automatically opened or closed.
Forcibly opening or closing  the power tailgate while 
in operation can deform the tailgate frame.
When operating the power tailgate, make sure there 
is enough space around your ve hicle. People near the 
tailgate may be se riously hurt if the tailgate hits or 
closes on their heads. Be  especially cautious if 
children are around.
The power tailgate may not  open or close under the 
following conditions:
•You start the engine while the tailgate is 
automatically openi ng or closing.
•The vehicle is parked on a steep hill.
•The vehicle is swayed in a strong wind.
•The tailgate or the roof is  covered with snow or ice.
If you close the power tail gate when all the doors are 
locked, the power tailgate locks automatically.
If you replace the battery or  the power tailgate fuse 
while the tailgate is open,  the power tailgate may be 
disabled. The power tail gate resumes once you 
manually close the tailgate.
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Continued153
uuOpening and Closing the Tailgate uOpening/Closing the Power Tailgate
Controls
Press the power tailgate button for more than 
one second to operate when the power mode 
is in VEHICLE OFF (LOCK).
To reverse direction while  the power tailgate is 
in operation, press th e button again. The 
beeper sounds three times and the tailgate 
reverses direction.
■Customizing when to open the tailgate
Anytime:  The power tailgate unlocks and open s at the same time. This is the 
default setting.
When Unlocked:  The tailgate opens when  all doors are unlocked.
2Customized Features  P. 123, 285
■Remote Transmitter1Opening/Closing the Power Tailgate
Installing aftermarket com ponents other than Acura 
genuine accessories on the power tailgate may 
prevent it from fully opening or closing.
Make sure the power tailgate is fully open before you 
get your luggage in and out.
Make sure the power tailgat e is fully closed before 
you start the vehicle.
If the power tailgate meet s resistance while opening 
or closing, the auto reverse feature reverses the 
direction. The beeper sounds three times.
The auto reverse function  stops sensing when the 
tailgate is almost closed to  make sure that it fully 
closes.
Do not touch the sensors located on both sides of the 
tailgate. The power tailga te does not close if you 
touch either sensor when you are trying to close the 
tailgate.
Be careful not to scratch the sensors with a sharp 
object. If scratched, they can be damaged, and the 
power tailgate  closing feature malfunctions.
Power 
Tailgate 
Button
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157Continued
Controls
Security System
Immobilizer System
The immobilizer system prevents a key that has not been pre-registered from 
starting the engine. Each key  contains electronic transmitters that use electronic 
signals to verify the key.
Pay attention to the follo wing when pressing the ENGINE START/STOP button:
• Do not allow objects that emit  strong radio waves near the ENGINE START/
STOP  button.
• Make sure the key is not covered  by or touching a metal object.
• Do not bring a key from another vehicle’s immobilizer system near the  ENGINE 
START/STOP button.
• Do not put the key near magnetic items.  Electronic devices, such as televisions 
and audio systems emit strong magnetic  fields. Note that even a key chain can 
become magnetic.
Security System Alarm
The security system alarm activates when  the tailgate, hood or doors are forcibly 
opened. The alarm does not activate if the tailgate or doors are opened with the key, 
remote transmitter or keyless access system.
However, the alarm activates if a door is op ened with the key and then the hood is 
opened before the power mode is set to ON.
■When the security system alarm activates
The horn sounds intermittently, and some exterior lights flash.
■To deactivate the security system alarm
Unlock the vehicle using the key, remote tra nsmitter, or keyless access system. The 
system, along with the horn and flashing lights, is deactivated.
1 Immobilizer System
NOTICE
Leaving the key in the vehicl e can result in theft or 
accidental movement of the vehicle.
Always take the key with you whenever you leave the 
vehicle unattended.
Do not alter the system or  add other devices to it.
Doing so may damage the system and make your 
vehicle inoperable.
1 Security System Alarm
Do not alter the system or  add other devices to it.
Doing so may damage the system and make your 
vehicle inoperable.
The security alarm continues for a maximum of two 
minutes until the security system alarm deactivates.
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163Continued
Controls
Operating the Switches Around the Steering Wheel
ENGINE START/STOP Button
*1:Canadian models
■Changing the Power Mode1ENGINE START/STOP Button
ENGINE START/STOP  Button Operating Range
You can start the engine when the keyless access 
remote is inside the vehicle.
The engine may also run if the keyless access remote 
is close to the door or window,  even if it is outside the 
vehicle.
ON mode:
Indicator in the button is of f, if the engine is running.
If the keyless access remote battery is weak, beeper 
sounds and the  To Start, Hold Remote Near Start 
Button message appears on the MID. 2 If the Keyless Access Remote Battery is 
Weak P. 535
Do not leave the power mode in ACCESSORY or ON 
when you get out.
Operating Range
VEHICLE OFF (LOCK)
Indicator in the button is off.
The steering wheel is locked
*1. 
The power to all electrical components is turned off.
ACCESSORY
Indicator in the button is on.
Operate the audio system and other accessories in this 
position.
ON
Indicator in the button is on.
All electrical components can be used.
Press the button.
Indicator
Without 
pressing the 
brake pedal
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uuOperating the Switches Around the Steering Wheel uENGINE START/STOP Button
Controls
If you leave the vehicle for 30 to  60 minutes with the transmission in (P and the 
power mode in ACCESSORY, the vehicle automa tically goes into the mode similar to 
VEHICLE OFF (LOCK) to avoid draining the battery.
When in this mode:
The steering wheel does not lock.
You cannot lock or unlock doors with th e remote transmitter or the keyless access 
system.
Press the  ENGINE START/STOP  button twice to switch the mode to VEHICLE OFF 
(LOCK).
If you open the driver’s doo r when the power mode is set to ACCESSORY, a warning 
buzzer sounds.
■Automatic Power Off
■Power Mode Reminder
Canadian models
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uuOperating the Switches Around the Steering Wheel uENGINE START/STOP Button
Controls
Warning buzzers may sound from inside and/
or outside the vehicle  to remind you that the 
keyless access remote is out of the vehicle. If 
the buzzer continues even after the remote is 
put back inside, place it to be within its 
operational range.
■When the power mode is in ON
If the keyless access remote is taken out of the 
vehicle, and the driver’s door is closed, a 
warning buzzer sounds from both inside and 
outside the vehicle. A warning message on 
the MID notifies the driver inside that the 
remote outside of the vehicle.
■When the power mode is in 
ACCESSORY
If the keyless access remote is taken out of the 
vehicle, and the driver’s door is closed, a 
warning buzzer sounds from outside the 
vehicle.
■Keyless Access Remote Reminder1 Keyless Access Remote Reminder
When the keyless access remote is within the 
system’s operational range,  and the driver’s door is 
closed, the warni ng function cancels.
If the keyless access remote is  taken out of the vehicle 
after the engine has been started, you can no longer 
change the  ENGINE START/STOP  button mode or 
restart the engine. Always make sure if the remote is 
in your vehicle when you operate the  ENGINE 
START/STOP button.
Removing the keyless access remote from the vehicle 
through a window does not  activate the warning 
buzzer.
Do not put the keyless access remote on the 
dashboard or in the glove box. It may cause the 
warning buzzer to go of f. Under some other 
conditions that can prevent  the vehicle from locating 
the remote, the warning buzzer may also go off even 
if the remote is within the system’s operational 
range.
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uuOperating the Switches Around the Steering Wheel uRear Defogger/Heated Door Mirror Button
Controls
Rear Defogger/Heated  Door Mirror Button
Press the rear defogger and heated door mirror button to defog the rear window 
and mirrors when the power mode is in ON.
The rear defogger and heated door mirrors 
automatically switch off after 10-30 minutes 
depending on the outside temperature.
Heated Windshield Button*
Press the heated windshield button to deice 
the windshield when the power mode is in 
ON.
1 Rear Defogger/Heated Door Mirror Button
NOTICE
When cleaning the inside  of the rear window, be 
careful not to damage  the heating wires.
It is critical to wipe the window from side to side 
along the defogger  heating wires.
This system consumes a lot of power, so turn it off 
when the window has been defogged. Also, do not 
use the system for a long ti me while the engine is 
idling. This may weaken the battery, making it 
difficult to start the engine.
When the outside temperature is below 41°F (5°C), 
the heated door mirror may  activate automatically for 
10 minutes when you set the power mode to ON.
1 Heated Windshield Button*
This system consumes a lot of power, so turn it off 
when the window has been deiced. Also, do not use 
the system for a long peri od when the engine is 
idling. This may weaken the battery, making it 
difficult to start the engine.
When the outside temperature is below 39°F (4°C), 
the heated windshield may automatically activate. 
The system deactivates itself once the outside 
temperature reaches 43°F (6°C).
* Not available on all models
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uuAdjusting the Mirrors uPower Door Mirrors
Controls
■Folding the door mirrors
Lock all doors from outside the vehicle.
u The mirrors start folding automatically.
2 Locking and Unlocking the Doors P. 135
■Unfolding the door mirrors
Unlock the driver’s or all  doors from outside the vehicle.
u The mirrors start unfo lding automatically.
2Locking and Unlocking the Doors P. 135
■Automatic Folding Door Mirror Function*1Automatic Folding Door Mirror Function*
You can turn the automa tic folding door mirror 
function on and off. 2 Customized Features  P. 123, 285
Door mirrors will not fold  automatically when locking 
from inside the vehicle usi ng lock tab or master door 
lock switch.
Door mirrors will not unfol d automatically if fold 
button is pressed. 2 Folding door mirrors
* P. 184
* Not available on all models
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