2018 Acura RDX Keyless battery

88
uuIndicators uMulti-Information Display Warn ing and Information Messages
Instrument Panel
*1:On the left: Models without full color display
On the right: Models with full color display
Message*1ConditionExplanation
●Appears when the keyless access remote
battery becomes weak.●Replace the battery as soon as possible.
2Replacing the Button Battery P. 386
●Appears if the keyless access remote’s battery
is too weak to start the engine or the key is
not with you when starting the engine. A
beeper sounds six times.2 If the Keyless Access Remote Battery is
Weak P. 415

121Continued
Controls
Locking and Unlocking the Doors
Key Types and Functions
This vehicle comes with the following keys:
Use the keyless access remote 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 the
doors and tailgate.
■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. 139
The keys contain precision electronics.
Adhere to the following advi ce 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 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. 272
Models with two-way keyless access remote
HOLD
HOLD
Models without two-way keyless
access remote
Models with two-way keyless
access remote
* Not available on all models

122
uuLocking and Unlocking the Doors uKey Types and Functions
Controls
■Keyless access remote
The built-in key can be used to lock/unlock the
doors and the tailgate wh en 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 button. To reinstall the
built-in key, push the built-in key into the
keyless access remote until it clicks.
Models without two-way keyless
access remote
Models with two-way keyless
access remote
Built-in Key Release Knob
Built-in Key Release Knob

124
uuLocking and Unlocking the Doors uLow Keyless Access Remote Signal Strength
Controls
Low Keyless Access Remo te Signal Strength
The vehicle transmits radio waves to loca te the keyless access remote when locking/
unlocking the doors, opening the ta ilgate, or to start the engine.
In the following cases, locking/unlocking the doors or opening the tailgate 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, cell phones, or wireless devices.
• A metallic object is touching or co vering 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 receivi ng strong radio wave s. Avoid placing
it near electrical appliances such as televisions and
personal computers.

uuSecurity System uSecurity System Alarm
140
Controls
■Setting the security system alarm
The security system alarm automatically sets when the following conditions have
been met:
• The power mode is in 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 se conds, 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 remote
transmitter, keyless ac cess system, or the power mode is set to ON. The security
system alarm indicator goe s 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.•Moving the shift lever 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 remote transmitter, or
keyless access system.
Do not attempt to alter th is system or add another
device to it.

146
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:
Indicator in the button is of f, if the engine is running.
If the keyless access remote battery is weak, beeper
sounds and the TO START, HOLD REMOTE NEAR
START BUTTON /To Start, Hold Remote Near
Start Button message appears on the multi-
information display. 2 If the Keyless Access Remote Battery is
Weak P. 415
Operating RangeVEHICLE OFF (LOCK)
Indicator in the button is off.
The steering wheel is locked. The power
to all electrical components is turned off.
ACCESSORY
Indicator in the button is on.
Indicator in the button blinks (from ON to
ACCESSORY).
Operate the audio system and other
accessories in this position.
ON
Indicator in the button is on.
All electrical components
can be used.
: Press the ENGINE START/STOP button to change the mode.
: Press the button without the shift lever in
( P.
: Shift to Park, then press the button.
Indicator
Without pressing the brake pedal
: Shift to
(P.
U.S. models

270
Driving
When Driving
Starting the Engine
1.Make sure the parking brake is applied.
2. Check that the shift lever is in
(P, then
depress the brake pedal.
u Although it is possible to start the vehicle
in
(N, it is safer to start it in (P.
3. Press the ENGINE START/STOP button
without depressing the accelerator pedal.
1 Starting the Engine
Keep your foot firmly on the brake pedal when
starting the engine.
The engine is harder to start in cold weather and in thinner
air found at altitudes above 8,000 feet (2,400 meters).
When starting the engine in cold weather, turn off all
electrical accessories such as the lights, climate
control system, and rear de fogger in order to reduce
battery drain.
If you live in a region where winter is extremely cold,
an engine block heater will improve starting and
warming of the engine. Cons ult a dealer for details.
If the exhaust system sounds abnormal or you can
smell exhaust gas inside the vehicle, have your vehicle
checked by a dealer. There may be a problem with
the engine or exhaust system.
Bring the keyless access remote close to the ENGINE
START/STOP button if the batte ry in the keyless
access remote is weak. 2 If the Keyless Access Remote Battery is
Weak P. 415
The engine may not start if the keyless access remote
is subjected to strong radio waves.
You do not need to hold the ENGINE START/STOP
button to start the engine.
If the engine does not start, wait at least 30 seconds
before trying again.
Brake Pedal

386
Maintenance
Remote Transmitter Care
Replacing the Button Battery
If the indicator does not come on when th e button is pressed, replace the battery.
1. Remove the built-in key.
2. Remove the upper half by carefully prying
on the edge with a coin.
u Wrap a coin with a cloth to prevent
scratching the transmitter.
3. Make sure to replace the battery with the
correct polarity.
1 Replacing the Button Battery
NOTICE
An improperly disposed of battery can damage the
environment. Always conf irm local regulations for
battery disposal.
Replacement batteries are commercially available or
at a dealer.
Models without two-way keyless access remote
Battery type: CR2032
Battery