2012 Acura ZDX Owner's Manual

103Continued
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, tailgate, and
fuel fill door. You can also use the remote
transmitter or keyless access system
* to lock
and unlock all the doors, tailgate, and fuel fill
door.
The seat automatically moves to the preset
position when you unlock the door using the
remote transmitter or keyless access system
*.2 Driving Position Memory System P. 138
■Master Keys
1Key Types and Functions
All of the keys have an immobilizer system. The
immobilizer system helps to protect against vehicle
theft.
2 Immobilizer System P. 120
The keys contain precision electronics.
Adhere to the following advice to prevent damage to
the electronics:
•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.•Do not take the keys apa rt except for replacing the
battery.
If the circuits in the keys are damaged, the engine
may not start, and the remo te transmitter or keyless
access system may not work.
If the keys do not work properly, have them
inspected by a dealer.
Retractable
Master Key*Keyless Access
Remote*
* Not available on all models

uuLocking and Unlocking the Doors uKey Types and Functions
104
Controls
■Retractable master keys*
The master key folds up inside the remote
transmitter.
1. Press the release button to release the key
out from the transmitter.
u Make sure to fully extend the key.
2. To close the key, press the release button
then push the key in side the transmitter
until you hear a click.
■Keyless access remote*
The built-in key can be used to lock/unlock the
doors and the tailgate when the keyless access
remote battery becomes weak and the power
door lock/unlock operation is disabled.
To remove the built-in key, pull it out while
pressing the release butto n. To reinstall the
built-in key, push the bu ilt-in key into the
keyless access remote until it clicks.
1 Retractable master keys*
If the key is not fully extended, the immobilizer
system may not work properly, and the engine may
not start.
Avoid contact with the key whenever it extends or
retracts.Release Button
Press
Built-in Key Release Button
* Not available on all models

105
uuLocking and Unlocking the Doors uKey Types and Functions
Controls
Can be used to start and stop the engine, and
lock and unlock driver’s door.
Contains a number that you will need if you
purchase a replacement key.
■Valet Key*1Valet Key*
When you need to leave a key with a third party,
leave the valet key.
■Key Number Tag1 Key Number Tag
Keep the key number tag se parate 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.
* Not available on all models

106
uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
Locking/Unlocking the Doors from the Outside
■Locking the doors
Press the LOCK button.
Once: uSome exterior lights flash, all the doors,
tailgate, and fuel fill door will lock, and
the security system sets.
Twice (within five seconds after the first
push): uA beeper sounds and verifies the security
system is set.
■Unlocking the doors
Press the UNLOCK button.
Once: uSome exterior lights flash twice, and the
driver’s door and fuel fill door unlocks.
Twice: uThe remaining doors and the tailgate
unlock.
■Using the Remote Transmitter1Using the Remote Transmitter
If you do not open a door or the tailgate within 30
seconds of unlocking vehicle with the remote
transmitter, the they will automatically relock.
You can change the relock timer setting.
2 Customized Features P. 94
If the interior light switch is in the door activated
position, the interior light s come on when you press
the UNLOCK button.
No doors opened: The lights fade out after 30
seconds.
Doors relocked with the remote: The lights go off
immediately.
2 Interior Lights P. 151
The remote transmitter uses low-power signals, so
the operating range may vary depending on the
surroundings.
The remote will not lock the vehicle when a door or
tailgate is open.
If the distance at which it works varies, the battery is
probably low.
If the LED does not come on when you press a
button, the battery is dead. 2 Replacing the Button Battery P. 310
You can customize the door unlock mode setting. 2 Customized Features P. 94
LED
Unlock
Button
Lock
Button
LED
Lock
Button
Unlock
Button

Continued107
uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
Fully insert the key and turn it.
■Locking the driver’s door
Pull the lock tab rearward
a or push the
master door lock switch in the lock direction
b, and close the door.
■Locking the passenger’s doors
Pull the lock tab rearward and close the door.
■Lockout prevention system
The doors and the tailgate cannot be locked when the key is in the ignition switch*1, or
the keyless access remote is in side the vehicle, and any door or the tailgate is open.
*1: Models with the keyless access system have an ENGINE START/STOP button
instead of an ig nition switch.
■Locking/Unlocking th e Doors Using a Key1Locking/Unlocking the Doors Using a Key
When you lock the driver’s door with a key, all of the
other doors, tailgate, and fuel fill door lock at the
same time. When unlocking, the driver’s door and
fuel fill door unlock 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. 94
If you are using the retrac table key, make sure it is
fully extended.
LockUnlock
■Locking a Door Without Using a Key1 Locking a Door Without Using a Key
When you lock the driver’s door, all the other doors,
the tailgate, and fuel fill door 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.
a
b

uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
108
Controls
When you carry the keyless access remote,
you can lock/unlock the doors and the
tailgate.
You can lock/unlock the doors within a radius
of about 32 inches (80 cm) of the outside door
handle. You can open the tailgate within
about 32 inches (80 cm) radius from the
tailgate release switch.
■Locking the vehicle
Press the door lock button on the front door
or lock button on the tailgate.uSome exterior lights flash; a beeper
sounds; all the doors and the tailgate
lock; and the security system sets.
■Using the Keyless Access System*1Using the Keyless Access System*
•The driver must carry the keyless access remote and
not leave it in the vehicle when you get out.
•A person who is not carrying the keyless access
remote can lock/unlock the doors if a person who
is carrying it is within range.
•The door may be unlocked if the door handle is
covered with water in heavy rain or in a carwash if
the keyless access remo te is within range.
•If you grip a front door handle wearing gloves, the
door sensor may be slow to respond or may not
respond by unlocking the doors.
•The door might not open if you pull it immediately
after gripping the door handle. Grip the handle
again and confirm that the door is unlocked before
pulling the handle.
Door Lock
Button
Lock Button
* Not available on all models

109
uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
■Unlocking the vehicle
Grab the front passenger’s door handle or
press the tailgate release button.uAll doors and the tailgate unlock.
u Some exterior lights flash twice and the
beeper sounds twice.1 Using the Keyless Access System*
•Even within the 32 inches (80 cm) radius, you may
not be able to lock/unlock the doors with the
keyless access remote if it is above or below the
outside handle.
•The keyless access remote may not operate if it is
too close to the door and door glass.
If you do not open a door within 30 seconds of
unlocking the vehicle, the doors will automatically
relock.
The light flash, beep and unlock settings can be
customized using the multi-information display. 2 Customized Features P. 94
Tailgate Release
Button
* Not available on all models

110
uuLocking and Unlocking the Doors uLow Keyless Access Remote Signal Strength*
Controls
Low Keyless Access Remote Signal Strength*
The vehicle transmits radio waves to locate the keyless access remote when locking/
unlocking the doors, unlocking the tailgate, or to start the engine.
In the following cases, locking/unlocking the doors or unlocking the tailgate or
starting the engine may be inhibited or operation may be unstable:
• Strong radio waves are being trans mitted by nearby equipment.
• You are carrying the keyless access remote together with telecommunications
equipment, notebook computers, mob ile phones, or wireless machines.
• 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.
Battery life is about two years, but this varies
depending on regularity of use.
The battery is consumed whenever the keyless access
remote is receiving strong radio waves. Avoid placing
it near electrical appliances such as televisions and
personal computers.
* Not available on all models