2015 LEXUS NX300h start stop button

1213-1. Key information
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Operation of each component
NX300h_U_OM78007U ■
Electronic key battery depletion ●
The standard battery life is 1 to 2 years. (The card key battery life is about a year and a
half.) ●
If the battery becomes low, an alarm will sound in the cabin when the hybrid system
stops. ●
As the electronic key always receives ra dio waves, the battery will become depleted
even if the electronic key is not used. The following symptoms indicate that the elec-
tronic key battery may be depleted. Re place the battery when necessary. (  P. 5 3 2 )
• The smart access system with push-button start or the wireless remote control does
not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on. ●
To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of the
following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Induction cookers
• Table lamps ■
Replacing the battery
 P. 5 3 2 ■
Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask your Lexus
dealer for details. ■
If a wrong key is used
The key cylinder rotates freely to isolate inside mechanism.

140 3-2. Opening, closing and locking the doors
NX300h_U_OM78007USmart access system with push-button start ●
Locks and unlocks the doors (  P. 1 2 4 )●
Locks and unlocks the back door (  P. 1 2 9 )●
Starts and stops the hybrid system (  P. 2 0 1 )■
Antenna location
■
Effective range (areas within whic h the electronic key is detected)The following operations can be performed simply by carrying the electronic
key (including the card key) on your person, for example in your pocket. The
driver should always carry the electronic key.
Antennas outside the cabin
Antennas inside the cabin
Antenna inside the luggage compartment
Antenna outside the luggage compartment
When locking or unlocking the doors
The system can be operated when the elec-
tronic key is within about 2.3 ft. (0.7 m) of
an outside door handle. (Only the doors
detecting the key can be operated.)
When starting the hybrid system or chang-
ing power switch modes
The system can be operated when the elec-
tronic key is inside the vehicle. 1
2
3
4

142 3-2. Opening, closing and locking the doors
NX300h_U_OM78007U ■
Electronic Key battery-Saving Function
When battery-saving mode is set, battery de pletion is minimized by stopping the elec-
tronic key from receiving radio waves.
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Conditions affe cting operation
The smart access system with push-button star t, wireless remote control and immobilizer
system use weak radio waves. In the followi ng situations, the communication between the
electronic key and the vehicle may be affected, preventing the smart access system with
push-button start, wireless remote control and immobilizer system from operating prop-
erly. (Ways of coping:  P. 5 9 2 )●
When the electronic key battery is depleted ●
Near a TV tower, electric powe r plant, gas station, radio stat ion, large display, airport or
other facility that generates strong radio waves or electrical noise ●
When the electronic key is in contact wi th, or is covered by the following metallic
objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
•Hand warmers made of metal
• Media such as CDs and DVDs ●
When other wireless keys (that emit radio waves) are being used nearby ●
When carrying the electronic key together with the following devices that emit radio
waves
• Portable radio, cellular phone, cordless phone or other wireless communication
devices
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or person al digital assistants (PDAs)
• Digital audio players
• Portable game systems ●
If window tint with a metallic content or me tallic objects are attached to the rear win-
dow ●
When the electronic key is placed near a battery charger or electronic devicesPress twice while pressing and holding .
Confirm that the electronic key indicator flashes
4 times.
While the battery-saving mode is set, the smart
access system with push-button start cannot be
used. To cancel the function, press any of the
electronic key buttons.

144 3-2. Opening, closing and locking the doors
NX300h_U_OM78007U ●
A sudden approach to the effective range or door handle may prevent the doors from
being unlocked. In this case, return the door handle to the original position and check
that the doors unlock before pulling the door handle again.●
If there is another electronic key in the detection area, it may take slightly longer to
unlock the doors after the door handle is gripped. ■
When the vehicle is not driven for extended periods ●
To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of the
vehicle. ●
The smart access system with push-butto n start can be deactivated in advance.
(  P. 6 3 5 )■
To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when op erating the system from the outside of the
vehicle.
Depending on the position and holding condit ion of the electronic key, the key may not
be detected correctly and the system may not operate properly. (The alarm may go off
accidentally, or the door lock prevention may not operate.) ■
If the smart access system with push-button start does not operate properly ●
Locking and unlocking the doors: Use the mechanical key. (  P. 5 9 2 )●
Starting the hybrid system:  P. 5 9 3■
Customization
Settings (e.g. smart access system with push-button start) can be changed.
(Customizable features:  P. 6 3 3 )■
If the smart access system with push-butto n start has been deactivated in a customized
setting ●
Locking and unlocking the doors:
Use the wireless remote control or mechanical key. (  P. 1 2 4 , 5 9 2 )●
Starting the hybrid system and changing power switch modes:  P. 5 9 3●
Stopping the hybrid system:  P. 2 0 2

216 4-2. Driving procedures
NX300h_U_OM78007UBrake Hold Turns the brake hold system on The brake hold standby indicator
(green) comes on. While the system is
holding the brake, the brake hold oper-
ated indicator (yellow) comes on. ■
Brake hold system operating conditions
The brake hold system cannot be turn ed on in the following conditions:●
The back door or hood is not closed. ●
The driver’s door is not closed. ●
The driver is not wearing the seat belt.
If any of the conditions above are detected when the brake hold system is enabled, the
system will turn off and the brake hold standby in dicator light will go of f. In addition, if any
of the conditions are detected while the sy stem is holding the brake, a warning buzzer
will sound and a message will be shown on th e multi-information display. The parking
brake will then be set automatically. ■
Brake hold function ●
If the brake pedal is left released for a period of about 3 minutes after the system has
started holding the brake, the parking brake w ill be set automatically. In this case, a
warning buzzer sounds and a message is shown on the multi-information display.●
To turn the system off while the system is holding the brake, firmly depress the brake
pedal and press the button again. ●
The brake hold function may not hold the vehicle when the vehicle is on a steep incline.
In this situation, it may be necessary fo r the driver to apply the brakes. A warning
buzzer will sound and the multi-information di splay will inform the dr iver of this situa-
tion. If a warning message is shown on the multi-information displa y, re a d t h e m e s s a g e
and follow the instructions. ■
When the parking brake is set automatically while the system is holding the brakes
The parking brake will not be released automatically. With the brake pedal depressed,
release the parking brake by operating the parking brake switch, making sure that the
parking brake indicator light goes off. (  P. 2 1 3 )The brake hold system keeps the brake applied when the shift lever is in D, S or
N with the system on and the brake pedal has been depressed to stop the vehi-
cle. The system releases the brake when the accelerator pedal is depressed
with the shift lever in D or S to allow smooth start off.

4376-1. Using the air conditio ning system and defogger
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Interior features
NX300h_U_OM78007U ■
Adjusting the position of and opening and closing the air outlets
Direct air flow to the left or right, up or down
Turn the knob to open or close the vent ■
Registering air conditioning settings to elec tronic keys (vehicles with driving position
memory) ●
Unlocking the vehicle using an electronic key and turning the power switch to ON
mode will recall that key’s registered air conditioning settings. ●
When the power switch is turned off, the curr ent air conditioning settings will automati-
cally be registered to the electronic key that was used to unlock the vehicle. ●
The system may not operate correctly if more th an one electronic key is in the vicinity or
if the smart access system with push-button start is used to unlock a passenger door. ●
The doors that can recall the air conditioni ng setting when unlocked using the smart
access system with push-b utton start can be changed.
* For details, contact your Lexus
dealer.
* : The doors that can recall the driving positi on memory are changed at the same time.■
Using automatic mode
Fan speed is adjusted automatically accordin g to the temperature setting and the ambi-
ent conditions.
Therefore, the fan may stop for a while until warm or cool air is ready to flow immediately
after the “AUTO” button is pr essed or “AUTO” is selected.■
When the outside temperature exceeds 75  F (24  C) and the air conditioning system
is on ●
In order to reduce the air conditioning po wer consumption, the ai r conditioning system
may switch to recirculated air mode automatically.
This may also reduce fuel consumption. ●
Recirculated air mode is selected as a default mode when the power switch is turned to
ON mode. ●
It is possible to switch to outside air mode at any time by pressing .
Front 
Rear
1
2

470 6-4. Other interior features
NX300h_U_OM78007U ■
Enabling 2-way communication with a garage door (only available for com-
patible devices)
When enabled, 2-way communication allows you to check the status of the
opening and closing of a garage door through indicators in your vehicle.
2-way communication is only available if the garage door opener motor used
is a compatible device. (To check device compatibility, refer to
www.HomeLink.com.)
Within 5 seconds after programming the garage door opener has been
completed, if the garage door opener motor is trained to HomeLink ®
,
both garage door operation indicator s will flash rapidly green and the light
on the garage door open er motor will blin k twice, indicating that 2-way
communication is enabled.
If the indicators do not flash, perform and within the first 10 presses of
the HomeLink ®
button after programming has been completed.
Press a programmed HomeLink ®
button to operate a garage door.
Within 1 minute of pressing the HomeLink ®

button, after the garage door
operation has stopped, press the “Learn” or “Smart” button on the garage
door opener motor. Within 5 second s of the establishment of 2-way com-
munication with the garage door opener, both garage door operation indi-
cators in the vehicle will flash rapidly green and the light on the garage
door opener motor will blink twice, indicating that 2-way communication is
enabled.■
Reprogramming a single HomeLink ®
button
When the following procedure is performed, buttons which already have
devices registered to them can be overwritten:
With one hand, press and hold the desired HomeLink ®
button.
When the HomeLink ®
indicator starts flashing orange, continue to hold
the HomeLink ®
button and perform “Programming HomeLink ®
” (it
takes 20 seconds for the HomeLink ®
indicator to start flashing).
Press the appropriate HomeLink ®
button. The HomeLink ®
indicator light
should turn on.Operating the HomeLink ®1
2 3
2
3
1
2
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594 8-2. Steps to take in an emergency
NX300h_U_OM78007U Press the power switch.
In the event that the hybrid system st ill cannot be operated, contact your Lexus
dealer. ■
Stopping the hybrid system
Set the parking brake, shift the shift lever to P and press the power switch as you normally
do when stopping the hybrid system. ■
Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediatel y when the battery is depleted. (  P. 5 3 2 )■
Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system. If a door is
unlocked using the mechanical key when the al arm system is set, the alarm may be trig-
gered. ■
Changing power switch modes
Release the brake pedal and press the power switch in step above.
The hybrid system does not start and mode s will be changed each time the switch is
pressed. (  P. 202)■
When the electronic key does not work properly ●
Make sure that the smart access system wi th push-button start has not been deacti-
vated in the custom ization setting. If it is off, turn the function on.
(Customizable features  P. 6 3 5 )●
Check if battery-saving mo de is set. If it is se t, cancel the function. (  P. 1 4 2 )
WA R N I N G ■
When using the mechanical key and operating the power windows or moon roof
Operate the power window or moon roof afte r checking to make sure that there is no
possibility of any passenger having any of their body parts caught in the window or
moon roof.
Also, do not allow children to operate the mech anical key. It is possible for children and
other passengers to get caught in the power window or moon roof. 4
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