ECO mode LEXUS NX300h 2015 Repair Manual

568 8-2. Steps to take in an emergency
NX300h_U_OM78007U * 1
: This light illuminates on the multi-information display.
* 2
: Driver’s and front passenger’s seat belt warning buzzer:
The driver’s seat belt warning buzzer sounds to alert the driver that his or her seat belt
is not fastened. Once the power switch is turned to ON mode, the buzzer sounds for
6 seconds. If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer sounds
once. If the seat belt is st ill unfastened after 24 second s, the buzzer will sound inter-
mittently for 10 seconds. Then, if the seat be lt is still unfastened, the buzzer will sound
in a different tone for 20 more seconds.
The front passenger’s seat be lt warning buzzer sounds to alert the front passenger
that his or her seat belt is not fastened. The buzzer sounds once if the vehicle reaches
a speed of 12 mph (20 km/h). If the seat belt is still unfastened after 24 seconds, the
buzzer will sound intermittently for 10 seconds. Then, if the seat belt is still unfastened,
the buzzer will sound in a different tone for 20 more seconds. ■
SRS warning light
This warning light system monitors the airbag sensor assembly, front impact sensors, side
impact sensors (front), side impact sensors (r ear), driver’s seat position sensor, driver’s
seat belt buckle switch, front passenger occupant classification system (ECU and sen-
sors), “AIR BAG ON” indicator light, “AIR BAG OFF” indicator light, front passenger’s
seat belt buckle switch, driver’s seat belt pr etensioner, front passenger’s seat belt preten-
sioner and force limiter, airbags, interconnecting wiring and power sources. (  P. 4 0 )■
Front passenger detection sensor, seat belt reminder and warning buzzer●
If luggage is placed on the front passenger seat, the front passenger detection sensor
may cause the warning light to flash and the warning buzzer to sound even if a passen-
ger is not sittin g in the seat.●
If a cushion is placed on th e seat, the sensor may not detect a passenger, and the warn-
ing light may not operate properly. ■
Electric power steering system warning light (warning buzzer)
When the 12-volt battery charge becomes insufficient of the voltage temporarily drops,
the electric power steering system warning light may come on and the warning buzzer
may sound. ■
If the malfunction indicator lamp comes on while driving
First check the following: ●
Is the fuel tank empty?
If it is, fill the fuel tank immediately. ●
Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after severa l trips, contact your Lexus dealer as soon as
possible.

590 8-2. Steps to take in an emergency
NX300h_U_OM78007U One of the following may be the cause of the problem: ●
The 12-volt battery may be discharged. (  P. 5 9 5 )●
One or both of the 12-volt battery terminals may be disconnected. (  P. 5 1 2 )Contact your Lexus dealer if the problem cannot be repaired, or if repair procedures
are unknown.
When the hybrid system does not start, the following steps can be used as an
interim measure to start the hybrid system if the power switch is functioning nor-
mally:
Do not use this starting procedur e except in cases of emergency.
Set the parking brake.
Shift the shift lever to P.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for ab out 15 seconds while depressing the
brake pedal firmly.
Even if the hybrid system can be starte d using the above steps, the system may
be malfunctioning. Have the vehicle inspected by your Lexus dealer.The interior lights and headlights do not turn on, or the horn does not
sound.
Emergency start function 1
2
3
4

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
3

5978-2. Steps to take in an emergency
8
When trouble arises
NX300h_U_OM78007U Start the engine of the second vehicle. Increase the engine speed slightly and
maintain at that level for approximately 5 minutes to recharge the 12-volt bat-
tery of your vehicle.
Open and close any of the doors of your vehicle with the power switch off.
Maintain the engine speed of the second vehicle and start the hybrid system
of your vehicle by turning the power switch to ON mode.
Make sure the “READY” indicator comes on. If the indicator light does not
come on, contact your Lexus dealer.
Once the hybrid system has started, remove the jumper cables in the exact
reverse order from which they were connected.
Close the exclusive jump starting terminal cover, and reinstall the fuse box
cover to its original position.
Once the hybrid system starts, have th e vehicle inspected at your Lexus dealer
as soon as possible. ■
Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting. ■
To prevent 12-volt battery discharge ●
Turn off the headlights and the audio system while the hybrid system is off. ●
Turn off any unnecessary electrical components when the vehicle is running at a low
speed for an extended period, such as in heavy traffic. ■
Charging the 12-volt battery
The electricity stored in the 12-volt battery will discharge gradually even when the vehicle
is not in use, due to natural discharge and the draining effects of certain electrical appli-
ances. If the vehicle is left for a long time, the 12-volt battery may discharge, and the
hybrid system may be unable to start. (The 12-volt battery recharges automatically while
the hybrid system is operating.) ■
When the 12-volt battery is removed or discharged ●
In some cases, it may not be possible to unlock the doors using the smart access system
with push-button start when the 12-volt battery is discharged. Use the wireless remote
control or the mechanical key to lock or unlock the doors. ●
The hybrid system may not start on the first attempt after the 12-volt battery has
recharged but will start normally after the second attempt. This is not a malfunction.●
The power switch mode is memorized by the vehicle. When the 12-volt battery is
reconnected, the system will return to the mode it was in before the 12-volt battery was
discharged. Before disconnecting the 12-volt battery, turn the power switch off.
If you are unsure what mode the power switch was in before the 12-volt battery dis-
charged, be especially careful when reconnecting the 12-volt battery. ●
The power back door must be initialized. (  P. 1 3 4 )●
Make sure that the key is not inside the vehicle when recharging or replacing the
12-volt battery. The key may be locked in the vehicle if the alarm is activated. (  P. 88)5
6
7
8
9
10

630 9-1. Specifications
NX300h_U_OM78007U Intended outboard sidewall (a) The sidewall that contains a whitewall, bears white
lettering, or bears manufacturer, brand, and/or
model name molding that is higher or deeper than
the same molding on the other sidewall of the tire, or
(b) The outward facing sidewall of an asymmetrical tire
that has a particular side that must always face out-
ward when mounted on a vehicle
Light truck (LT) tire A tire designated by its manufacturer as primarily
intended for use on lightweight trucks or multipurpose
passenger vehicles
Load rating The maximum load that a tire is rated to carry for a given
inflation pressure
Maximum load rating The load rating for a tire at the maximum permissible
inflation pressure for that tire
Maximum permissible infla-
tion pressure The maximum cold inflation pressure to which a tire may
be inflated
Measuring rim The rim on which a tire is fitted for physical dimension
requirements
Open splice Any parting at any junction of tread, sidewall, or inner-
liner that extends to cord material
Outer diameter The overall diameter of an inflated new tire
Overall width The linear distance between the exteriors of the side-
walls of an inflated tire, incl uding elevations due to label-
ing, decorations, or pr otective bands or ribs
Passenger car tire A tire intended for use on passenger cars, multipurpose
passenger vehicles, and trucks, that have a gross vehicle
weight rating (GVWR) of 10,000 lb. or less.
Ply A layer of rubber-coated parallel cords
Ply separation A parting of rubber compou nd between adjacent pliesTire related term Meaning

638 9-2. Customization
NX300h_U_OM78007U ■
Multi-information display (  P. 9 7 , 1 0 2 )
* 1
: The default setting varies according to countries.
* 2
: Some status screens cannot be registered (indicated on the multi-information display)
* 3
: 2 of the following items: current fuel consumption, average fuel economy (after reset),
average fuel economy (after refuel), average fuel economy (after start), average vehi-
cle speed (after reset), average vehicle speed (after start), distance (driving range),
distance (after start), elapsed time (after reset), elapsed time (after start), blank
* 4
: Intersection guidance, Incoming calls, Adjust brightness Function Default
setting Customized
setting
Changeover to tachometer
when sport mode is selected Auto Hybrid system
indicator
(always)
–O– –
Tachometer
(always)
EV indicator On Off – O – –
Language
* 1
English French
– O – –
Spanish
Units
* 1
miles (MPG US) miles
(MPG Imperial )
– O – –
km (L/100km)
km (km/ L)
switch settings Drive
information 1 Desired status
screen
* 2
– O – –
Drive information screen dis-
played on the first screen of

(Drive information 1) Current fuel
consumption
* 3
– O – –
Average fuel
consumption
(after reset)
Drive information screen dis-
played on the second screen
of
(Drive information 2) Distance (range)
* 3
– O – –
Average speed
(after reset)
Po p - u p d i s p l a y
* 4
On Off – O – –
Accent color Color 1 Color 2
O O – – 1 2 3 4

6399-2. Customization
9
Vehicle specifications
NX300h_U_OM78007U ■
Automatic air conditioning system (  P. 4 3 0 )
■
Eco drive mode (  P. 3 0 3 )
■
Powe r w i n d ow s (  P. 166)
■
Moon roof
* (  P. 1 6 9 )
* : If equipped Function Default
setting Customized
setting
Switching between outside air
and recirculated air mode
linked to “AUTO” switch
operation On Off O – O –
A/C Auto switch operation On Off O – O – 1 2 3 4
Function Default
setting Customized
setting
Heating/cooling operation
minimized in Eco drive mode On Off – – O – 1 2 3 4
Function Default
setting Customized
setting
Mechanical key linked opera-
tion Off On – – O –
Wireless remote control
linked open operation Off On – – O – 1 2 3 4
Function Default
setting Customized
setting
Mechanical key linked opera-
tion Off On – – O –
Wireless remote control
linked open or Tilt up opera-
tions Off On – – O – 1 2 3 4

666 Alphabetical index
NX300h_U_OM78007U Drive information .................................. 103
Drive-start control .......................175, 210
Driver’s seat belt reminder
light.......................................................... 567
Driver’s seat position memory ..........154
Driving
Break-in tips ...........................................176
Correct posture.....................................30
Driving mode select switch ......... 303
Hybrid vehicle driving tips............. 324
Procedures .............................................174
Winter drive tips .................................326
Driving position memory.....................154
Memory recall function.................... 156
Dynamic radar cruise control
Function ..................................................240
Warning message ............................. 572
Dynamic radar cruise control
with full-speed range
Function ..................................................253
Warning message ............................. 572 ECB (Electronically Controlled
Brake System) .................................... 305
Eco drive mode..................................... 303
EDR (Event data recorder).....................11
E-Four ....................................................... 306
Electric motor
Location ..................................................... 77
Specification .......................................... 610
Electric Power Steering (EPS)
Function ..................................................305
Warning light .......................................566
Electronic key
Battery-saving function ......................141
If the electronic key does not
operate properly ............................ 592
Replacing the battery ...................... 532
Electronically Controlled
Brake System (ECB) ....................... 305
Emergency flashers ............................ 556
Emergency, in case of
If a warning buzzer sounds ..........565
If a warning light turns on ..............565
If a warning message is
displayed ............................................ 572
If the 12-volt battery is
discharged.........................................595
If the electronic key does not
operate properly ............................ 592
If the hybrid system will
not start .............................................. 589 E

667Alphabetical index
NX300h_U_OM78007U If you have a flat tire ..........................575
If you lose your keys ................ 120, 122
If you think something is
wrong .................................................. 564
If your vehicle becomes
stuck ..................................................... 604
If your vehicle has to
be stopped in an
emergency.........................................557
If your vehicle needs to be
towed................................................... 558
If your vehicle overheats ............... 600
Energy monitor ..........................................111
Engine
Accessory mode................................202
Compartment..................................... 502
Engine switch ........................................ 201
Hood ....................................................... 500
How to start the hybrid
system ................................................... 201
Identification number ........................ 610
If your vehicle has to be
stopped in an emergency ..........557
Ignition switch
(power switch).................................. 201
Overheating ........................................ 600
Power switch......................................... 201 Engine compartment cover............. 503
Engine coolant
Capacity...................................................613
Checking .............................................. 508
Preparing and checking
before winter .................................... 326
Warning light .......................................565
Engine coolant temperature
gauge ......................................................... 97
Engine oil
Capacity.................................................... 611
Checking ...............................................504
Warning light .......................................565
Engine oil maintenance data ........... 506
Engine switch ........................................... 201
EPS (Electronic Power Steering)
Function ..................................................305
Warning light .......................................566
EV indicator ............................................... 79
EV drive mode ...................................... 206
Event data recorder (EDR).....................11

675Alphabetical index
NX300h_U_OM78007U Side mirrors ..............................................163
Adjusting and folding........................ 163
Blind Spot Monitor (BSM)............. 316
Heaters....................................................435
Side turn signal lights
Replacing light bulbs ....................... 552
Turn signal lever ................................... 212
Smart access system
with push-button start ...................... 140
Antenna location ................................. 140
Entry functions ............................ 124, 129
Starting the hybrid system .............. 201
Warning message ............................. 572
Snow tires ................................................ 326
Spare tire
Inflation pressure ................................. 616
Storage location .................................576
Spark plug .................................................613
Specifications .........................................608
Speedometer .............................................97
Sport mode ............................................. 303
Steering wheel
Adjustment ............................................. 160
Audio switches .................................... 342
Heated steering wheel ................... 440
Power easy access system ............ 154
Telephone switches ..........................402
Stop lights
Replacing light bulbs ....................... 552
Storage feature ..................................... 446
Storage precautions............................ 446
Stuck
If the vehicle becomes stuck ....... 604 Sunglass holder......................................449
Sun visors................................................. 455
Switch
ASC (Active Sound Control)
dial ...........................................................218
Audio remote control
switches .............................................. 342
Automatic High Beam switch ..... 223
Brake hold switch................................ 216
BSM (Blind Spot Monitor)
main switch..........................................316
Cruise control
switch ........................... 240, 253, 267
Door lock switch.................................. 126
Driving mode select switch ..........303
Driving position memory
switches ................................................154
Emergency flashers switch ...........556
EV drive mode switch .................... 206
Fog light switch ....................................227
Garage door opener
switches .............................................. 467
Heated steering wheel ................... 440
HUD (Head-up display)
switches ............................................... 106
Ignition switch........................................201
Intuitive parking assist switch....... 279
LDA switch ........................................... 270
Light switches ........................................ 219
Meter control switches .................... 103
Moon roof switches ...........................169
Outside rear view mirror
switches ................................................163
* : Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.