Page 288 of 713

uuAudio System Basic Operation uSystem Updates
286
Features
■Update the audio system
1.Press the (home) button.
2. Select System Updates .
3. Select via USB .
u A notification appears on the screen.
4. Connect the USB device with the update
files into the USB port.
u A notification appears on the screen.
2 USB Ports P. 255
5.Select Install Now or Install while
Vehicle OFF .
u A notification appears on the screen if
the update is successful when Install
Now is selected.
u When you select Install while Vehicle
OFF go to step 6.
6. Set the power mode to VEHICLE OFF
(LOCK).
u A notification appears on the screen. If
you select Postpone Update , the
update is postponed.
7. Exit from your vehicle.
u The system will start the firmware
update.
u A notification appears on the screen if
the update is successful at the next time
you set the power mode to ON.
1Update the audio system
The system may stop the firmware update when
battery is low on power, even when you selected
Install while Vehicle OFF .
If you want to install the updated data, recharge the
battery or select Install Now.
23 ACURA RDX-31TJB6400.book 286 ページ 2022年8月4日 木曜日 午後1時51分
Page 445 of 713

443Continued
Driving
When Driving
Starting the Engine
1.Make sure the parkin g brake is applied.
u The Parking Brake and Brake System
indicator (red) comes on for 30 seconds
when you press the electric parking
brake switch.
2. Depress the brake pedal.
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 st art in cold weather and in
thinner air found at altit udes 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. Consult 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 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. 665
The engine may not start if the keyless remote is
subjected to strong radio waves.Electric Parking
Brake Switch
Brake Pedal
23 ACURA RDX-31TJB6400.book 443 ページ 2022年8月4日 木曜日 午後1時51分
Page 446 of 713
uuWhen Driving uStarting the Engine
444
Driving
1Starting the Engine
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. 183
23 ACURA RDX-31TJB6400.book 444 ページ 2022年8月4日 木曜日 午後1時51分
Page 448 of 713

uuWhen Driving uStarting the Engine
446
Driving
■To stop the engine
Press and hold the button
for one second.
Go within the range,
and try again.
Amber LED: Blinks when any
button is pressed. Red LED:
●Comes on for one second to let you
know that the engine has stopped.
●Blinks when the remote is out of
the keyless access system range.
The engine will not stop.
1
Remote Engine Start*
The engine may not start by the remote engine start
if:
•You have disabled a remo te engine start setting
using the audio/information screen. 2Customized Features P. 359
•The power mode is not in VEHICLE OFF.
•The transmission is in a position other than (P.
•The hood is open, or any door or the tailgate is
unlocked.
•The 12-volt battery temp is too low or the 12-volt
battery charge is too low.
•You have already used the remote twice to start
the engine.
•Another registered keyless remote is in the vehicle.
•There is any antenna failure.•The door is unlocked with the built-in key.
•The engine oil pressure is low.
•The engine coolant temper ature is extremely high.•The telematics unit malfunctions.
•The security system alarm is not set.
Before starting the engine, make sure to check the
door lock status using the remote. When you press
the button, wait for the green LED to blink. If
the red LED turns on, the doors and tailgate did not
lock, and the engine does not start.
* Not available on all models
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Page 450 of 713

uuWhen Driving uStarting the Engine
448
Driving
1. Depress and hold the brake pedal, then press the ENGINE START/STOP button.
2. Keeping your right foot on the brake pedal, put the transmission into
(D. Select
(R when reversing.
3. With the parking brake applied, release the brake pedal and gently depress the
accelerator pedal.
u Make sure the Parking Brake and Brake System indicator (red) goes off.
2Parking Brake P. 545
■Hill start assist system
Hill start assist keeps the brake engaged br iefly to help prevent the vehicle from
rolling on inclines as you move your fo ot from the brake pedal to the accelerator.
Put the transmission into
(D or (S when facing uphill, or (R when facing downhill,
then release the brake pedal.
You can turn the engine off when the vehicle is completely stopped.
1. Depress the brake pedal and change the shift position to
(P.
u Do not release the brake pedal until you have confirmed that
(P is shown on
the gear position indicator.
2. Press the ENGINE START/STOP button.
■Starting to Drive
■Stopping the Engine
1Starting to Drive
You can also release the parking brake by pulling the
electric parking brake sw itch while depressing the
brake pedal. When facing downhill, you can start
your vehicle more smoothly by manually releasing it
with the electric parki ng brake switch than by
releasing it with th e accelerator pedal.
The engine stops when th e transmission is taken out
of
( P before the ENGINE START/STOP button is
pressed. Follow step 1 when starting to drive.
When the engine was started using the keyless remote*
When the engine was started using the keyless remote*
When the engine was started in any case
1 Hill start assist system
Hill start assist may not prevent the vehicle from
rolling downhill on a very st eep or slippery slope, and
will not operate on small inclines.
Hill start assist will operate even when VSA ® is
switched off.
Hill start assist is not a replacement for the parking
brake.
* Not available on all models
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Page 457 of 713
![ACURA RDX 2023 Owners Manual Continued455
uuWhen Driving uShifting
Driving
■If you want to keep the transmission in (N position [car wash mode]
With the engine running:
1. Press and hold the brake pedal.
2. Select
(N, then rel ACURA RDX 2023 Owners Manual Continued455
uuWhen Driving uShifting
Driving
■If you want to keep the transmission in (N position [car wash mode]
With the engine running:
1. Press and hold the brake pedal.
2. Select
(N, then rel](/manual-img/32/58634/w960_58634-456.png)
Continued455
uuWhen Driving uShifting
Driving
■If you want to keep the transmission in (N position [car wash mode]
With the engine running:
1. Press and hold the brake pedal.
2. Select
(N, then release the button to display (N (Neutral) hold mode on the
multi-information display.
3. Press and hold
(N again for two seconds.
u This puts the vehicle in car wash mode which must be used when your vehicle
is pulled through a conveyor type automatic car wash where you or an
attendant do not remain in the vehicle.
If the ENGINE START/STOP button is pressed
after car wash mode has been activated, the
power mode will change to ACCESSORY and
a message will be displayed on the multi-
information display. u For 15 minutes the gear position remains
in
(N with the power mode in
ACCESSORY. After that, the position
automatically changes to
( P and the
power mode changes to OFF.
u Manually press the ENGINE START/
STOP button cancels ACCESSORY
mode. The
(P indicator comes on and
the power mode changes to OFF. You
must always press the ENGINE START/
STOP button when car wash mode is no
longer needed.
1 If you want to keep the transmission in (N position [car wash
mode]
To keep the vehicle in
(N position, you can also
follow this procedure:
While the engine is on, select
( N, and then within
five seconds, press the ENGINE START/STOP
button.
The transmission may not stay in
( N position while
the following indicators ar e on or when the message
below appears:
•Malfunction indicator lamp
•Transmission system indicator
•Charging system indicator•The 12 Volt Battery Charging System Problem.
Do Not Drive. message on the multi-information
display.
23 ACURA RDX-31TJB6400.book 455 ページ 2022年8月4日 木曜日 午後1時51分
Page 468 of 713
uuWhen Driving uAuto Idle Stop
466
Driving
To turn the Auto Idle Stop system off, press
this button. The Auto Idle Stop system stops.
u Auto Idle Stop system will stop, the
indicator will come on and a message
appears on the multi-information
display.
The Auto Idle Stop syst em is turned on every
time you start the engine, even if you turned it
off the last time you drove the vehicle.
■Auto Idle Stop System ON/OFF1 Auto Idle Stop System ON/OFF
If you turn off the Auto Idle Stop system while it is
activated, the engine will restart.
2 Auto Idle Stop Activates When: P. 467
If you hold the Auto Idle Stop OFF button, you can
disable idle stop messages. 2 Indicators P. 80
Auto Idle Stop OFF
Indicator
Auto Idle Stop OFF
Button
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Page 469 of 713

Continued467
uuWhen Driving uAuto Idle Stop
Driving
The vehicle stops with the gear position in (D and the brake pedal depressed.
When you put the transmission into
(P, the Auto Idle Stop continues to operate,
even if the brake pedal is released. u If you depress the brake pedal, the engine may automatically restart.
■Auto Idle Stop does not activate when:
• The Auto Idle Stop OFF button is pressed.
• The driver’s seat belt is not fastened.
• The engine is not adequately warmed up or coolant temperature is high.
• The transmission fluid temperature is low or high.
• The vehicle comes to a stop again befo re the vehicle speed reaches 3 mph (5
km/h) after the engine starts.
• The vehicle is stopped on a steep incline.
• The transmission is in a position other than
(D.
• The engine is started with the hood open.
u Turn off the engine. Close the hood before you restart the engine to activate
Auto Idle Stop.
• The battery charge is low.
• The internal temperature of the battery is 14°F (−10°C). or less.
• The climate control system is in use, and the outside temperature is below −4°F
(−20°C) or over 104°F (40°C).
• The climate control system is in use, and the temperature is set to Hi or Lo .
• is ON (indicator on).
• The Integrated Dynamics System mode is changed to SNOW or SPORT mode.
■Auto Idle Stop Activates When:1Auto Idle Stop Activates When:
Do not open the hood while the Auto Idle Stop
function is activated. If the hood is opened, the
engine will not re start automatically.
In this case, restart the engine with the ENGINE
START/STOP button.
2 Starting the Engine P. 443
When ACC with Low Speed Follow is in operation,
the vehicle stops without de pressing the brake pedal
and Auto Idle Stop may activate.
Pressing the ENGINE START/STOP button causes
the engine to no longer rest art automatically. Follow
the standard procedure to start the engine.
2 Starting the Engine P. 443
23 ACURA RDX-31TJB6400.book 467 ページ 2022年8月4日 木曜日 午後1時51分