2015 Acura MDX start stop button

135
Continued
Controls
Security SystemImmobilizer SystemThe immobilizer system prevents a key that has not been pre-registered from
starting the engine. Each key contains electronic transmitters that use electronic
signals to verify the key.
Pay attention to the following 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 with the keyless
access remote.Security System AlarmThe security system alarm activates when the tailgate, hood, or doors are opened
without the key, remote transmitter or keyless access system.■When the security system alarm activates
The horn sounds intermittently, and all of the exterior lights flash.■To deactivate the security system alarm
Unlock the vehicle using the key, remote transmitter, or keyless access system. The
system, along with the horn and flashing lights, is deactivated.
1 Immobilizer SystemNOTICELeaving the keyless access remote in the vehicle 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.1Security System Alarm
The security alarm continues for a maximum of two
minutes until the security system alarm deactivates.

141
Continued
Controls
Operating the Switches Around the Steering WheelENGINE START/STOP Button■
Changing the Power Mode
1ENGINE 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 off, if the engine is running.
If the keyless access remote battery is weak, beeper
sounds and the To Start, Hold Remote Near Start
Button message appears on the MID.
2 If the Keyless Access Remote Battery is
Weak P. 463
If the power mode does not change from VEHICLE
OFF to ACCESSORY, press the ENGINE START/STOP
button while moving the steering wheel left and
right. The steering wheel will unlock, allowing the
mode to change.
Operating Range
VEHICLE 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 button.
Press the button without the
shift lever in (
P.
Shift to
( P, then press the button.
Indicator
Without pressing the brake pedal

142
uuOperating the Switches Around the Steering Wheel uENGINE START/STOP Button
Controls
If you leave the vehicle for 30 to 60 minutes with the shift lever in
(P
and the power
mode in ACCESSORY, the vehicle automatically goes into the mode similar to
VEHICLE OFF (LOCK) to avoid the battery drain.
When in this mode:
The steering wheel does not lock.
You cannot lock or unlock doors with the remote transmitter or the keyless access
system.
Press the ENGINE START/STOP button to switch the mode to VEHICLE OFF (LOCK).
If you open the driver’s door when the power mode is set to ACCESSORY, a warning
buzzer sounds.
■
Automatic Power Off
■
Power Mode Reminder

143
uuOperating the Switches Around the Steering Wheel uENGINE START/STOP Button
Controls
Warning buzzers may sound from inside or/
and outside the vehicle to remind you that the
keyless access remote is out of the vehicle. If
the buzzer continues even after the remote is
put back inside, place it within its operational
range.■When the power mode is in ON
If the keyless access remote is taken out of the
vehicle, and the driver’s door is closed,
warning buzzers sound from both inside and
outside the vehicle. A warning message on
the MID notifies the driver inside that the
remote is out.■When the power mode is in
ACCESSORY
If the keyless access remote is taken out of the
vehicle, and the driver’s door is closed, a
warning buzzer sounds from outside the
vehicle.
■
Keyless Access Remote Reminder
1 Keyless Access Remote Reminder
When the keyless access remote is within the
system’s operational range, and the driver’s door is
closed, the warning function cancels.
If the keyless access remote is taken out of the vehicle
after the engine has been started, you can no longer
change the ENGINE START/STOP button mode or
restart the engine. Al ways make sure if the remote is
in your vehicle when you operate the ENGINE
START/STOP button.
Removing the keyless access remote from the vehicle
through a window does not activate the warning
buzzer.
Do not put the keyless access remote on the
dashboard or in the glove box. It may cause the
warning buzzer to go off. Under some other
conditions that can prevent the vehicle from locating
the remote, the warning buzzer may also go off even
if the remote is withi n the system’s operational
range.

324Driving
When DrivingStarting 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.
The engine will crank until it starts.
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 defogger 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. If temperatures consistently
below -22°F (-30°C) are expected, the coolant
mixture should be changed to a higher concentration
to prevent freezing. 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 access remote close to the ENGINE
START/STOP button if the battery in the keyless
access remote is weak. 2 If the Keyless Access Remote Battery is
Weak P. 463
The engine may not start if the keyless access 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 10 seconds
before trying again.
Brake Pedal

Continued
325
uuWhen Driving uStarting the Engine
Driving
You can turn the engine off when the vehicle is completely stopped.
1. Shift to
(P
.
2. Press the ENGINE START/STOP button with your foot on the brake pedal.
■
Stopping the Engine
1Starting the Engine
The immobilizer system protects your vehicle from
theft.
If an improperly coded device is used, the engine’s
fuel system is disabled.
2 Immobilizer System P. 135

Continued
327
uuWhen Driving uStarting the Engine
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 with Vehicle Feedback
*
•The engine oil pressure is low.•The engine coolant temperature 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.
While the engine is running, the vehicle will
automatically precondition inside the vehicle.
When it is warm outside:•The air conditioning is activated in recirculation
mode.•The seat ventilation is activated
*.
When it is cold outside:
•The defroster is activated at a moderately warm
temperature.•The rear defogger and door mirror heaters are
activated.•The seat and heated steering wheel are activated
*.
2 Heated Steering Wheel
* P. 181
2 Front Seat Heaters and Seat
Ventilation
* P. 182, 183
* Not available on all models

uuWhen Driving uStarting the Engine
328Driving
1. Depress the brake pedal and press the ENGINE START/STOP button
simultaneously.
2. Keeping your right foot on the brake pedal, release the parking brake. Check that
the parking brake indicator has gone off.
2 Parking Brake P. 371
3.Put the shift lever in
(D
. Select
(R
when reversing.
4. Gradually release the brake pedal and gently depress the accelerator pedal to pull
away.
■Hill start assist system
Hill start assist keeps the brake engaged briefly to help prevent the vehicle from
rolling on inclines as you move your foot from the brake pedal to the accelerator.
Move the shift lever to
(D
or
(S
when facing uphill, or
(R
when facing downhill,
then release the brake pedal.
The brakes remain engaged briefly as you release the brake pedal.
■
Starting to Drive
1 Starting to Drive
The engine stops when the shift lever is moved out of (P before the ENGINE START/STOP button is
pressed. Follow the step 1 when starting to drive.When the engine was started using the two-way keyless
access remote
*
When the engine was started using the two-way keyless access 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 steep or slippery slope, and
will not operate on small inclines.
Hill start assist is not a replacement for the parking
brake.
* Not available on all models