2018 Acura RDX Keyless battery change

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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
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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.

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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

415
uuEngine Does Not Start uIf the Keyless Access Remote Battery is Weak
Handling the Unexpected
If the Keyless Access Re mote Battery is Weak
If the beeper sounds, the TO START, HOLD REMOTE NEAR START BUTTON /To
Start, Hold Remote Near Start Button message appears on the multi-information
display, the indicator on the ENGINE START/STOP button flashes, and the engine
won’t start, start the engine as follows. 1.Touch the center of the ENGINE START/
STOP button with the A logo on the keyless
access remote while the indicator on the
ENGINE START/STOP button is flashing.
The buttons on the keyless access remote
should be facing you.
u The indicator flashes for about 30
seconds.
2. Depress the brake pedal and press the
ENGINE START/STOP button within 10
seconds after the beeper sounds and the
indicator changes from flashing to on.
u If you don’t depress the pedal, the mode
will change to ACCESSORY.
HOLD