2022 ACURA MDX key battery

130
Controls
Locking and Unlocking the Doors
Key
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.1Key
All the keys have an immobilizer system. The
immobilizer system helps to protect against vehicle
theft. 2 Immobilizer System P. 157
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
* P. 436
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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131
uuLocking and Unlocking the Doors uKey
Continued
Controls
The built-in key can be used to lock/unlock the
doors when the keyless access remote battery
becomes weak and the power door lock/
unlock operation is disabled.
To remove the built-in key, pull out the key
while pressing the release button. To reinstall
the built-in key, push th e built-in key into the
keyless access remote until it clicks.
■Built-in Key
Built-in Key Release Button
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uuLocking and Unlocking the Doors uLow Keyless Access Remote Signal Strength
132
Controls
Contains a number that you will need if you
purchase a replacement key.
Low Keyless Access Remo te Signal Strength
The vehicle transmits radio waves to loca te the keyless access remote when locking/
unlocking the doors and tailgate, fuel fill door or to start the engine.
In the following cases, locking/unlocking the doors and tailgate, fuel fill door or
starting the engine may be inhibited or operation may be unstable:
• Strong radio waves are being tra nsmitted by nearby equipment.
• You are carrying the keyless access remote together with telecommunications
equipment, laptop computers, ce ll phones, or wireless devices.
• A metallic object is touching or co vering 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 th e 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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Continued141
uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
If the lock or unlock button of the keyless access remote does not work, use the key
instead.
2 Replacing the Button Battery P. 626
Fully insert the key and turn it.
■Locking/Unlocking the Doors Using a Key1Locking/Unlocking the Doors Using a Key
When you lock the driver’s door with a key, all the
other doors, tailgate, and fu el fill door lock at the
same time. When unlocki ng, 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. 345
Lock
Unlock
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157Continued
Controls
Security System
Immobilizer System
This system prevents a key that has not been pre-registered from starting the
engine.
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.
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.
Apply and hold the brake pedal before turning the
vehicle on the first time after the battery has been
disconnected.
Canadian models
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 system alarm continues for a maximum
of two minutes until the security system alarm
deactivates.
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uuSecurity System uSecurity System Alarm
158
Controls
■To deactivate the security system alarm
Unlock the vehicle using the key, remote transmitter or keyless access system, or set
the power mode to ON. The system, along with the horn and flashing lights, is
deactivated.
■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.
• 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 and the blinking
interval changes after about 15 seconds.
■To cancel the security system alarm
The security system alarm is canceled when the vehicle is unlocked using the remote
transmitter or keyless access system, or wh en 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.•Opening the hood with the hood release.
•Opening the tailgate with the power tailgate
button on the driver’s door.
If the battery goes dead after you have set the
security system alarm, the security alarm may go off
once the battery is re charged or replaced.
If this occurs, deactivate the security system alarm by
unlocking a door using the ke y, remote transmitter,
or keyless access system.
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166
Controls
Operating the Switches Around the Steering Wheel
ENGINE START/STOP Button
■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:
The ENGINE START/STOP button is on (in red), if the
engine is running.
If the battery of the keyless access remote is getting
low, the engine may not start when you press the
ENGINE START/STOP button. If the engine does not
start, refer to the following link. 2 If the Keyless Access Remote Battery is
Weak P. 663
Do not leave the power mode in ACCESSORY or ON
when you get out.
Operating Range
VEHICLE OFF (LOCK)
The button is off.
The power to all electrical components is turned off.
ACCESSORY
The button blinks (in red).
Operate the audio system and other accessories in this
position.
ON
The button blinks (in red).
All electrical components can be used.
Press the button. Without pressing
the brake pedal
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Continued225
uuInterior Convenience Items uOther Interior Convenience Items
Controls
1Wireless Charger
A device may not charge if the size or shape of its
chargeable side is not a ppropriate for use with the
charging area.
Not all devices are compatible with the system.
During the charging phase, it is normal for the
charging area and de vice to heat up.
Charging may be briefl y interrupted when:
•All the doors or the tailgate are closed
- to avoid interference with the proper functioning
of the keyless access system.
•The position of the device is altered.
Do not charge more than one device at a time on a
charging area.
If the device becomes too hot and its battery
protection function activates, it may charge
extremely slowly or no longer charge. The
temperature at which the battery protection function
activates depends on the device.
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