start Acura MDX 2019 Owner's Guide
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uuIndicators uMulti-Information Display (MID) Warning and Information Messages
Continued
Instrument Panel
MessageConditionExplanation
●Appears when you attempt to put the transmission into 
another gear position wi th the transmission in 
(P and 
the engine OFF.
●To select another gear position while in (P the engine 
must be ON.
●Appears when you try to change the gear position after 
the position has automatically been changed to 
(P with 
the driver’s door open and the driver’s seat belt 
unfastened.
●Press the (P button If you leave the vehicle.
●Appears when the vehicle is stopped with the driver’s 
seat belt unfastened and there is a chance that the 
vehicle may roll unintentionally.●Press the (P button before release the brake pedal 
when idling, parking or exiting the vehicle.
2 Shift Operation  P. 477
●Appears when the engine stops without the 
transmission in 
(P, and does not restart automatically.●Appears if you open the hood while Auto Idle Stop 
activates.
●If you want to set the power mode to ON, put the 
transmission into 
(P.●If you want to start the engine, follow the normal 
procedure.
2Starting the Engine  P. 467
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uuIndicators uMulti-Information Display (MID) Warning and Information Messages
Continued
Instrument Panel
MessageConditionExplanation
●Appears when you try to change the gear position 
without depressing the brake pedal.●Depress the brake pedal, then select a shift button.
●Appears when you try to change the gear position 
without releasing your foot off the accelerator pedal.●Release your foot off the acce lerator pedal, then select a 
shift button.
●Appears when the (P button is pressed while the 
vehicle is moving.
●Appears if you change the gear position to (R while the 
vehicle is moving forward, or to 
(D while the vehicle is 
reversing.
●Make sure that the vehicle comes to a stop before 
operating the select button.
●Appears when you set the po wer mode to ON without 
fastening the driver’s seat belt.
●Appears when you change the gear position after (P 
has been automatically selected with the driver’s door 
open, the driver’s seat belt  unfastened, then the brake 
pedal is released.
●Fasten the seat belt properly before you start to drive.
2 Shift Operation  P. 477
●Appears when you press the (P button but it is not 
engaged due to low ATF temperature.●Depress the brake pedal until this message disappear.
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uuIndicators uMulti-Information Display (MID) Warning and Information Messages
Instrument Panel
MessageConditionExplanation
●Appears when you turn the Auto Idle Stop system on.
2 Auto Idle Stop  P. 483
●Appears when Auto Engine Idle Stop Guidance 
Screens On  has been selected from the customization 
menu.
2 Auto Idle Stop  P. 483
●Appears when Auto Idle Stop does not activate for 
some reason.
●Appears when the engine restarts automatically.●Appears when the battery te mperature is around 14°F 
(−10°C) or lower.
●Appears when Auto Idle Stop  does not activate because 
the climate control system is  in use, and the difference 
between the set temperature and actual interior 
temperature becomes significant.
●Appears when Auto Idle Stop  does not activate because 
the engine coolant temperature is too low or high.
●Appears when Auto Idle Stop  does not activate because 
the battery charge level is low.
●Appears when the battery is low performance.
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uuIndicators uMulti-Information Display (MID) Warning and Information Messages
Continued
Instrument Panel
MessageConditionExplanation
●Appears when Auto Idle Stop does not activate because 
the pressure to the brake pedal is not enough.●Depress the brake pedal firmly.
●Appears when  Auto Engine Idle Stop Guidance 
Screens On  has been selected from the customization 
menu.
●Appears when the system  is under the following 
conditions while Auto Idle Stop activates:
- The battery charge level is low.
- The climate control system is in use, and the difference 
between the set temperature and actual interior 
temperature becomes significant.
- The humidity in the interior is high.
●The engine restarts automatically in a few seconds.
2 Starting the Engine  P. 467
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uuIndicators uMulti-Information Display (MID) Warning and Information Messages
Instrument Panel
MessageConditionExplanation
●Appears when you unlock and open the driver’s door 
while the engine is running by two-way keyless access 
remote.
2 Remote Engine Start with Vehicle Feedback* P. 469
MessageConditionExplanation
●Appears if there is a problem with the active damper 
system.●Have your vehicle checked by  a dealer. With this icon 
on, your vehicle has limited damping ability without the 
active damper system.
Models with two-way keyless access remote
Models with active damper system
* Not available on all models
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uuGauges and Multi-Info rmation Display (MID)uMID
Continued
Instrument Panel
■Customization flow
Roll the multi-function steering-wheel controls to select Vehicle Settings  and push the multi-function steering-wheel controls.
Vehicle Settings
“Trip A” Reset Timing
Language Selection
Adjust Outside Temp. Display
Memory Position Link
Door Unlock Mode
Driver Assist System Setup
Meter Setup
Driving Position Setup
Keyless Access Setup
“Trip B” Reset Timing
Forward Collision Warning Distance
ACC Forward Vehicle Detect Beep
ACC Display Speed Unit
Roll
Push
Roll
Lane Keeping Assist Suspend Beep
Blind Spot Info*
Easy Entry/Exit
Roll
Roll
Walk Away Auto Lock
RollPush
Roll
Roll
Roll
Roll
Turn by Turn Display*Auto Engine Idle Stop Guidance Screens
Road Departure Mitigation Setting
Push
Push
Push
Push
Reverse Alert Tone
Remote Start System On/Off*Keyless Access Beep
Keyless Access Light Flash
* Not available on all models
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uuGauges and Multi-Info rmation Display (MID)uMID
Continued
Instrument Panel
*1: Default SettingSetup Group Customizable Features
Description Selectable Settings
Driving 
Position 
SetupMemory Position LinkTurns the driving position memory system on and 
off.On*1/ Off
Easy Entry/Exit
Moves the seat rearward an d steering wheel fully up 
when you get in/get out of the vehicle. Changes the 
setting for this feature.Seat & Steering Wheel*1/
Seat Only/ Steering Wheel 
Only /Off
Keyless 
Access Setup Door Unlock Mode
Changes which doors unlock when you grab the 
driver’s door handle. Driver’s Door or Tailgate 
Only
*1/
All Doors
Keyless Access Light 
Flash Causes some exterior li
ghts to flash when you 
unlock/lock the doors. On
*1/
Off
Keyless Access Beep Causes the beeper to sound when you unlock/lock 
the doors.
On
*1/
Off
Remote Start System 
On/Off
*Turns the remote engine start feature on and off. On*1/Off
Walk Away Auto Lock Changes the settings for th
e automatic locking the 
doors when you walk away  from the vehicle while 
carrying the keyless  access remote. On
/Off
*1
* Not available on all models
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Controls
This chapter explains how to operate the various controls necessary for driving.
Clock.................................................. 138
Locking and Unlocking the Doors Key Types and Functions .................. 139
Low Keyless Access Remote Signal Strength ......................................... 141
Locking/Unlocking the Doors from the 
Outside .......................................... 142
Locking/Unlocking the Doors from the  Inside ............................................. 151
Childproof Door Locks ..................... 153
Auto Door Locking/Unlocking .......... 154
Opening and Closing the Tailgate ... 155
Security System Immobilizer System .......................... 163
Security System Alarm ...................... 163 Opening and Closing the Windows
... 166
Moonroof .......................................... 168
Operating the Switches Around the 
Steering Wheel ENGINE START/STOP Button............. 169
Turn Signals ..................................... 172
Light Switches.................................. 173
Fog Lights
*...................................... 176
Daytime Running Lights ................... 176
Auto High-Beam .............................. 177
Wipers and Washers ........................ 180
Brightness Control ........................... 184
Rear Defogger/Heated Door Mirror Button.. 185Driving Position Memory System ...... 186
Adjusting the Steering Wheel........... 188 Adjusting the Mirrors
Interior Rearview Mirror ................... 189
Power Door Mirrors ......................... 190
Adjusting the Seats Front Seats ...................................... 192
Second Row Seats ........................... 195
Third Row Seats ............................... 204
Armrest ........................................... 205
Interior Lights/Interior Convenience Items
Interior Lights .................................. 207
Interior Convenience Items .............. 209
Climate Control System
Using Automatic Climate Control .... 220
Rear Climate Control System ........... 227
Automatic Climate Control Sensors ... 231
* Not available on all models
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139Continued
Controls
Locking and Unlocking the Doors
Key Types and Functions
This vehicle comes with the following keys:
Use the keys to start and stop the engine, and 
to lock and unlock all the doors and tailgate. 
You can also use the keyless access system to 
lock and unlock all the doors and tailgate.1Key Types and Functions
All the keys have an immobilizer system. The 
immobilizer system helps to  protect against vehicle 
theft. 2 Immobilizer System  P. 163
Follow the advice below to  prevent damage to the 
keys:
•Do not leave the keys in  direct sunlight, or in 
locations with high temperature or high humidity.
•Do not drop the keys or set heavy objects on them.•Keep the keys away from liquids, dust and sand.
•Do not take the keys apart except for replacing the 
battery.
If the circuits in the keys  are damaged, the engine 
may not start, and the keyless access system may not 
work.
If the keys do not work properly, have them 
inspected by a dealer.
You can remotely start the  engine using the two-way 
keyless access remote. 2 Remote Engine Start with Vehicle 
Feedback
* P. 469
Models with two-way keyless access remote
Models with two-way keyless 
access remote
Models without two-way keyless 
access remote
* Not available on all models
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uuLocking and Unlocking the Doors uLow Keyless Access Remote Signal Strength
Controls
Contains a number that  you will need if you 
purchase a replacement key.
Low Keyless Access Re mote Signal Strength
The vehicle transmits radio waves to locate  the keyless access remote when locking/
unlocking the doors and tailgate, or to start the engine.
In the following cases, locking/unlocking the doors and tailgate, or starting the 
engine may be inhibited or operation may be unstable:
• Strong radio waves are being transmitted by nearby equipment.
• You are carrying the keyless access re mote together with telecommunications 
equipment, laptop computers, ce ll phones, or wireless devices.
• A metallic object is touching or  covering the keyless access remote.
■Key Number Tag1Key Number Tag
Keep the key number tag separate from the key in a 
safe place outside  of your vehicle.
If you wish to purchase an additional key, contact a 
dealer.
If you lose your key and  you cannot start the engine, 
contact a dealer.
1 Low Keyless Access Remote Signal Strength
Communication between the keyless access remote 
and the vehicle consumes the keyless access remote’s 
battery.
Battery life is  about two years,  but this varies 
depending on regularity of use.
The battery is consumed whenever the keyless access 
remote is receivi ng strong radio wave s. Avoid placing 
it near electrical  appliances such as  televisions and 
personal computers.
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