2015 Acura MDX keyless

uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
120Controls
■Unlocking the doors and tailgate
Grab the driver’s door handle: u The driver’s door unlocks.
u Some exterior lights flash twice and the
beeper sounds twice.
Grab the front passenger’s or rear
* door
handle: u All doors unlock.
u Some exterior lights flash twice and the
beeper sounds twice.
Press and hold the tailgate outer handle: u All doors and the tailgate unlock and
open.
u Some exterior lights flash twice and the
beeper sounds twice.
2 Opening/Closing the Tailgate Using the
Tailgate Outer Handle P. 129
1Using the Keyless Access System
When you go into the keyless access system working
range with all the doors locked, the LED puddle lights
come on for 30 seconds.
The lights do not come on if you have previously
stayed within the range for more than two minutes,
or the doors have been locked for a few days.
The feature activates again after you drive the
vehicle, then lock the doors.
If you do not open a door within 30 seconds of
unlocking the vehicle, the doors will automatically
relock.
You can change the relock timer setting.
2 Customized Features P. 104, 249
The light flash, beeper, and unlock settings can be
customized using the audio/information screen or
multi-information display (MID). 2 Customized Features P. 104, 249
You can also unlock and open with the power
tailgate. 2 Opening/Closing the Tailgate Using the
Tailgate Outer Handle P. 129Models with navigation system
Tailgate Outer
Handle
* Not available on all models

Continued
121
uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
Fully insert the key and turn it.■Locking the front doors
Push the lock tab forward
a or push the
master door lock switch in the lock direction
b, and close the door.■Locking the rear doors
Push the lock tab forward and close the door.
■Lockout prevention system
The doors and tailgate cannot be locked when the keyless access remote is inside
the vehicle.■
Locking/Unlocking the Doors Using a Key
1 Locking/Unlocking the Doors Using a Key
When you lock the driver’s door with a key, all the
other doors and tailgate lock at the same time. When
unlocking, the driver’s door unlocks first. Turn the
key a second time within a few seconds to unlock the
remaining doors and the tailgate.
You can customize the door unlock mode setting.
2 Customized Features P. 104, 249
Lock
Unlock
■
Locking a Door Without Using a Key
1Locking a Door Without Using a Key
When you lock the driver’s door, all the other doors
and tailgate lock at the same time.
Make sure you have the key in your hand before
locking the door to prevent it from being locked in
the vehicle.

uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
122Controls
You can remotely check if your vehicle’s doors
are all locked or any are unlocked from
distance up to 328 feet (100 meters), using
the keyless access remote.
Press the lock button, the Amber (LEFT) LED blinks once. Then after three seconds
one of the following feedback will come:
• Green (center) comes on: Acknowledges 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
*
1Checking Door Lock Status
*
Operate the remote in an open space. If there are
buildings or other obstacles between your vehicle
and the remote, the remot e may not work even
within the operable range. However, the range of
unlock, all doors, and panic functions are the same as
the standard keyless access remote. 2 Using the Remote Transmitter P. 117
When checking the door lock status, you can also
start or stop the engine. 2 Remote Engine Start with Vehicle
Feedback
* P. 326
Red
Green
Amber
Lock
Button* Not available on all models

123
uuLocking and Unlocking the Doors uLow Keyless Access Remote Signal Strength
Controls
Low Keyless Access Remote Signal StrengthThe 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 remote together with telecommunications
equipment, laptop computers, cell phones, or wireless devices.
• A metallic object is touching or covering the keyless access remote.
1Low Keyless Access Remote Signal Strength
Communication between the keyless access remote
and the vehicle consumes the keyless access remote’s
battery.
The keyless access remote battery lasts about two
years. This changes by how often you use the remote.
The battery is consumed whenever the keyless access
remote is receiving strong radio waves. Avoid placing
it near electrica l appliances such as televisions and
personal computers.

129
uuOpening and Closing the Tailgate uOpening/Closing the Tailgate Us ing the Tailgate Outer Handle
Controls
Opening/Closing the Tailgate Using the Tailgate Outer Handle
When all the doors are unlocked, the tailgate
is unlocked. Press the tailgate outer handle for
more than one second, and wait until you
hear three beeps before you lift open the
tailgate.
u Releasing the outer handle within one
second with one beep enables the power
tailgate operations.
2 Power Tailgate Outer Handle P. 132
Even if the tailgate is locked, you can open the
tailgate if you carry the keyless access remote.
To manually close the tailgate, grab the inner
handle, pull the tailgate down, and push it
closed from outside.
1Opening/Closing the Tailgate Using the Tailgate Outer Handle
Do not leave the keyless access remote inside the
cargo area and close the tailgate. The beeper sounds
and the tailgate cannot be closed.
Even if you are not carrying the keyless access
remote, you can lock/unlock the doors while
someone else with the remote is within range.
Tailgate Outer
HandleInner Handle

130
uuOpening and Closing the Tailgate uOpening/Closing the Power Tailgate
Controls
Opening/Closing the Power TailgateThe power tailgate can be operated by pressing the power tailgate button on the
remote transmitter or driver's door, or pressing the outer handle or button on the
tailgate.■The power tailgate can be opened when:
• The tailgate is fully closed.
• The shift lever is in
(P
.
• Press and hold the tailgate 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.
2 Customized Features P. 104
■The power tailgate can be closed when:
• The tailgate is fully open.
• The shift lever is in
(P
.
• Press and hold the tailgate button on the remote transmitter for about one
second when the power mode is in VEHICLE OFF (LOCK).
1Opening/Closing the Power TailgateNOTICEDo 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.
The power tailgate may not open or close under the
following conditions:•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 tailgate 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 ope n, the power tailgate may be
disabled. The power tailgate resumes once you
manually close the tailgate.
Installing aftermarket components 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 tailgate is fully closed before
you start the vehicle.

135
Continued
Controls
Security SystemImmobilizer SystemThe 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 following 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 with the keyless
access remote.Security System AlarmThe security system alarm activates when the tailgate, hood, or doors are opened
without the key, remote transmitter or keyless access system.■When the security system alarm activates
The horn sounds intermittently, and all of the exterior lights flash.■To deactivate the security system alarm
Unlock the vehicle using the key, remote transmitter, or keyless access system. The
system, along with the horn and flashing lights, is deactivated.
1 Immobilizer SystemNOTICELeaving the keyless access remote in the vehicle 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.1Security System Alarm
The security alarm continues for a maximum of two
minutes until the security system alarm deactivates.

uuSecurity System uSecurity System Alarm
136Controls
■Setting the security system alarm
The security system alarm automatically sets when the following conditions have
been met:
• The power mode is set to VEHICLE OFF (LOCK).
• The hood is closed.
• All doors and the tailgate are locked from outside with the key, remote
transmitter, or keyless access system.■When the security system alarm sets
The security system alarm indicator in the instrument panel blinks. When the
blinking interval changes after about 15 seconds, the security system alarm is set.■To cancel the security system alarm
The security system alarm is canceled when the vehicle is unlocked using the key,
remote transmitter, keyless access system, or the power mode is set to ON. The
security system alarm indicator goes off at the same time.
1 Security System Alarm
Do not set the security system alarm when someone
is in the vehicle or a window is open. The system can
accidentally activate when unlocking the door with
the lock tab.
If the battery goes dead after you have set the
security system alarm, the security alarm may go off
once the battery is recharged or replaced.
If this occurs, deactivate the security system alarm by
unlocking a door using the key, remote transmitter,
or keyless access system.
Do not attempt to alter this system or add another
device to it.