2022 ACURA ILX key battery

88
uuIndicators uMulti-Information Display Warn ing and Information Messages
Instrument Panel
MessageConditionExplanation
●Appears when you close the door with the power mode
in ON without the keyless remote inside the vehicle.●Disappears when you bring the keyless remote back
inside the vehicle and close the door.
2Keyless Remote Reminder P. 141
●Appears when the keyless remote battery becomes
weak.
2Replacing the Remote Battery P. 552
●Appears if the keyless remote’s battery is too weak to
start the engine or the key is not within operating range
to start the engine.
A beeper sounds six times.●Bring the back of the keyless remote into contact with
the ENGINE START/STOP button.
2If the Keyless Remote Battery is Weak P. 588
●Appears after the driver’s door is opened when the
power mode is in ACCESSORY.●Change the power mode to VEHICLE OFF.
2 ENGINE START/STOP Button P. 139
●Appears when the power mode is in ACCESSORY.
—
22 ACURA ILX-31TX66900.book 88 ページ ２０２１年４月２６日　月曜日　午前１１時２７分

112
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 and to open
the trunk.1Key
All the keys have an immobilizer system. The
immobilizer system helps to protect against vehicle
theft. 2 Immobilizer System P. 132
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 remote transmitter 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 remote. 2 Remote Engine Start
* P. 434
Models with two-way keyless remote
Models without two-way keyless
remote
Models with two-way keyless remote
* Not available on all models
22 ACURA ILX-31TX66900.book 112 ページ ２０２１年４月２６日　月曜日　午前１１時２７分

113
uuLocking and Unlocking the Doors uKey
Continued
Controls
The built-in key can be used to lock/unlock the
doors when the keyles s remote battery
becomes weak and the power door lock/
unlock operation is disabled.
To remove the built-in key, slide the release
knob and then pull out the key. To reinstall
the built-in key, push the built-in key into the
keyless remote until it clicks.
■Built-in Key
Built-in Key Release Knob
Models without two-way keyless
remote
Models with two-way keyless remote
Release Knob
Built-in Key
22 ACURA ILX-31TX66900.book 113 ページ ２０２１年４月２６日　月曜日　午前１１時２７分

uuLocking and Unlocking the Doors uLow Keyless Remote Signal Strength
114
Controls
Contains a number that you will need if you
purchase a replacement key.
Low Keyless Remote Signal Strength
The vehicle transmits radio waves to lo cate the keyless remote when locking/
unlocking the doors, opening the trunk, or to start the engine.
In the following cases, locking/unlocking the doors, opening the trunk, 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 remote together with telecommunications
equipment, laptop computers, ce ll phones, or wireless devices.
• A metallic object is touching or covering the keyless 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 Remote Signal Strength
Communication between the keyless remote and the
vehicle consumes the ke yless remote’s battery.
Battery life is about two years, but this varies
depending on re gularity of use.
The battery is consumed whenever the keyless
remote is receivi ng strong radio wave s. Avoid placing
it near electrical appliances such as televisions and
personal computers.
22 ACURA ILX-31TX66900.book 114 ページ ２０２１年４月２６日　月曜日　午前１１時２７分

Continued121
uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
If the lock or unlock button of the key less remote does not work, use the key
instead.
2 Replacing the Remote Battery P. 552
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 lock at the sa me time. When unlocking,
the driver's door unlocks first. Turn the key a second
time within a few seconds to unlock the remaining
doors.
You can customize the door unlock mode setting. 2 Customized Features P. 99, 316
Lock
Unlock
22 ACURA ILX-31TX66900.book 121 ページ ２０２１年４月２６日　月曜日　午前１１時２７分

Continued133
uuSecurity System uSecurity System Alarm
Controls
■To deactivate the security system alarm
Unlock the vehicle using the key, remote tra nsmitter 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 (LOCK).
• The hood is closed.
• All doors and the trunk are locked from ou tside with the key, remote transmitter,
or keyless access system.
■When the security system alarm sets
The security system alarm in dicator 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 wh en the vehicle is unlocked using the key,
remote transmitter or keyless access system, or when the power mode is set to ON.
The security system alarm indica tor goes off at the same time.
1Security 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 trunk with the trunk opener or the
emergency trunk opener.
•Opening the hood with the hood release.•Taking the transmission out of ( P.
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.
22 ACURA ILX-31TX66900.book 133 ページ ２０２１年４月２６日　月曜日　午前１１時２７分

139Continued
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 remote is
inside the vehicle.
The engine may also run if the keyless 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 remote is getting low, the
engine may not start when you press the ENGINE
START/STOP button. If the engi ne does not start,
refer to the following link.
2 If the Keyless Remote Battery is Weak
P. 588
Do not leave the power mode in ACCESSORY or ON
when you get out.
Operating RangeVEHICLE OFF (LOCK)
The button is off.
The power to all electrical components is turned off.
Press the button without the
transmission in
( P.
Press the button with the
transmission in
( P. Press the button.
Without pressing the brake pedal 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.
Put the transmission into (P.
22 ACURA ILX-31TX66900.book 139 ページ ２０２１年４月２６日　月曜日　午前１１時２７分

Continued433
uuWhen Driving uStarting the Engine
Driving
3. Press the ENGINE START/STOP button
without depressing the accelerator pedal.
You can turn the engine off when the vehicle is completely stopped.
1. Put the transmission into
(P.
2. Press the ENGINE START/STOP button.
■Stopping the Engine
1Starting the Engine
Bring the keyless remote close to the ENGINE
START/STOP button if the batte ry in the keyless
remote is weak. 2 If the Keyless Remote Battery is Weak
P. 588
The engine may not start if the keyless remote is
subjected to strong radio waves.
Do not hold the ENGINE START/STOP button to
start the engine.
If the engine does not start, wait at least 30 seconds
before starting the engine again.
The immobilizer system pr otects your vehicle from
theft.
If an improperly c oded device is used, the engine’s
fuel system is disabled. 2 Immobilizer System P. 132
22 ACURA ILX-31TX66900.book 433 ページ ２０２１年４月２６日　月曜日　午前１１時２７分