2015 LEXUS RX450h steering wheel

7405-2. Steps to take in an emergency
●
If non-genuine Lexus wheels are used (Even if you use Lexus wheels, the tire
pressure warning system may not work properly with some types of tires.)●
If tire chains are used●
Vehicles with a full-size spare tire: If the spare tire is in a location subject to poor
radio wave signal reception●
Vehicles with a full-size spare tire: If a large metallic object which can interfere
with signal reception is pu t in the luggage compartment■
If the tire pressure warning light freque ntly comes on after blinking for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1 minute
when the “POWER” switch is turned to ON mode, have it checked by your Lexus
dealer.■
Customization
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features  P. 825)
CAUTION■
When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold firmly and
operate using more force than usual.■
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause loss of
vehicle control and result in death or serious injury. ●
Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pres-
sure immediately.●
If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If a tire is flat, change
it with the spare tire and have the flat tire repaired by the nearest Lexus dealer.
●
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could
lose control of the steering wheel or the brakes.
■
If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

7625-2. Steps to take in an emergency
Sounds
once 
(Flashes) The driver's door
was opened and
closed with the
“POWER” switch
turned off and
then the
“POWER” switch
was put in
ACCESSORY
mode twice with-
out the hybrid sys-
tem being started. Press the
“POWER” switch
while depressing
the brake pedal.
During an hybrid
system starting
procedure in the
event that the
electronic key was
not functioning
properly
(  P. 7 8 2 ) , t h e
“POWER” switch
was touched with
the electronic key. Press the
“POWER” switch
within 10 seconds
of the buzzer
sounding.
Sounds
once 
(Flashes) The steering lock
could not be
released within 3
seconds of the
“POWER” switch
being pressed. Press the
“POWER” switch
while depressing
the brake pedal
and moving the
steering wheel left
and right.Interior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure

5
When trouble arises
7955-2. Steps to take in an emergency
If your vehicle has to be stopped in an emergency
CAUTION
■
If the hybrid system has to be turned off while driving
Power assist for the steering wheel will be lost, making the steering wheel heavier to
turn. Decelerate as much as possible before turning off the hybrid system.Only in an emergency, such as if it becomes impossible to stop the vehicle
in the normal way, stop the vehicle using the following procedure:
Steadily step on the brake pe dal with both feet and firmly
depress it. Do not pump the brake pedal repeatedly as this will increase the
effort required to slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehicl e in a safe place by the road.
Stop the hybrid system.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehi-
cle speed as much as possible.
To stop the hybrid system, press
and hold the “POWER” switch
for 2 consecutive seconds or
more, or press it briefly 3 times
or more in succession.
Stop the vehicle in a safe place by the road.STEP 1
STEP 2
STEP 3
STEP 4
STEP 3
STEP 4
Press and hold for 2 seconds or more,
or press briefly 3 times or more
STEP 5

858Abbreviation list
Abbreviation/Acronym list ABBREVIATIONS MEANING
2WD 2 Wheel Drive
4WD 4 Wheel Drive
A/C Air Conditioning
ABS Anti-lock Brake System
AI-SHIFT Artificial Intelligence Shift control
ALR Automatic Locking Retractor
AW D All Wheel Drive
BSM Blind Spot Monitor
CRS Child Restraint System
DISP Display
ECO Economy/Ecology
ECU Electronic Control Unit
EDR Event Data Recorder
ELR Emergency Locking Retractor
EPS Electric Power Steering
GAWR Gross Axle Weight Ratings
GCWR Gross Combination Weight Rating
GVWR Gross Vehicle Weight Rating
I/M Emission Inspection and Maintenance
LATCH Lower Anchors and Tethers for Children
LED Light Emitting Diode
MMT Methylcyclopentadienyl Manganese Tricarbonyl
M + S Mud and Snow
MTBE Methyl Tertiary Butyl Ether
OBD On Board Diagnostics

860Alphabetical index
Alphabetical index A/C*
Air conditioning filter ...................... 685
Automatic air conditioning
system*....................................342, 350
ABS...............................................................271
ACCESSORY mode ........................... 177
Air conditioning system*
Air conditioning filter ...................... 685
Automatic air conditioning
system*....................................342, 350
Airbags
Airbag operating conditions..........135
Airbag precautions for your
child........................................................ 140
Airbag warning light ........................ 734
Curtain shield airbag operating
conditions.............................................136
Curtain shield airbag
precautions ........................................ 140
Front passenger occupant
classification system........................145
General airbag precautions ......... 140
Locations of airbags........................... 132
Modification and disposal of
airbags ................................................... 144
Proper driving post ure ..........130, 140
Side airbag operating
conditions.............................................136
Side airbag precautions .................. 140
SRS airbags ............................................ 132 Alarm ...........................................................126
Antenna ......................................... 377, 482
Anti-lock brake system ........................ 271
Armrest .................................................... 607
Assist grips .............................................. 609
Audio input* .................................408, 541
Audio system*
Antenna.................................................. 482
Audio input ............................................. 541
AUX port ................................................ 541
Bluetooth ®
audio system ............... 519
CD player/changer ......................... 485
Hands-free system for mobile
phone....................................................547
iPod ............................................................501
MP3/WMA disc............................... 493
Optimal use ......................................... 539
Portable audio device....................... 541
Radio ........................................................ 477
Steering wheel audio switch........ 543
USB memory ........................................510
USB port ......................................501, 510A

861Alphabetical index
Audio system
(Lexus Display Audio system)
Antenna ................................................... 377
Audio input ...........................................408
AUX port ..............................................408
Bluetooth ®
audio system ...............410
CD player .............................................380
Hands-free system for mobile
phone................................................... 429
iPod ............................................................ 391
MP3/WMA disc .................................381
Optimal use...........................................424
Portable audio device.....................408
Radio ...................................................... 365
Steering wheel audio switch........ 426
USB memory ...................................... 399
USB port..................................... 391, 399
Automatic air conditioning system*
Air conditioning filter .......................685
Automatic air conditioning
system* ................................... 342, 350
Automatic headlight leveling
system .................................................... 220
Automatic light control system ........ 217
AUX port ...................................... 408, 541
Auxiliary boxes ............................592, 612 Back door
Back door ................................................. 75
Wireless remote control ...................69
Back-up lights
Replacing light bulbs ....................... 708
Wattage ................................................. 809
Battery
Checking .............................................. 664
Hybrid battery
(traction batt ery) ................................ 34
If the vehicle has a discharged
12-volt battery...................................784
Preparing and checking
before winter ....................................302
Blind Spot Monitor...............................286
Bluetooth ®
audio* ...................... 410, 519
Bluetooth ®
phone* ..................429, 547
Bottle holders .........................................587
Brake
Fluid.......................................................... 806
Parking brake ....................................... 195
Brake assist................................................271
Break-in tips ..............................................167
BSM............................................................286
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”. B

865Alphabetical index
Fuel
Capacity................................................ 800
Fuel gauge .............................................. 197
Information............................................. 810
Refueling ....................................................119
Type........................................................... 810
Fuel consumption.....................................45
Fuel door..................................................... 119
Fuel filler door........................................... 119
Fuses.......................................................... 689
Garage door opener............................ 616
Gauges....................................................... 197
Glove box ............................................... 586
Hands-free system for
mobile phone* ........................ 429, 547
Hazard lights
Switch ......................................................724
Head restraints
Adjustment ..............................................97
Headlight aim .........................................706
Headlight cleaner .................................. 231
Headlights
Discharge headlight
precautions ........................................ 722
Replacing light bulbs ....................... 708
Switch ........................................................ 217
Wattage ................................................ 809
Head-up display
Display contrast adjustment
switch ..................................................... 212
Display position adjustment
switch ..................................................... 212
Head-up display main switch ....... 212 Heaters
Seat heaters ......................................... 605
Side mirrors* ....................................... 358
Steering wheel.................................... 604
Hill-start assist control ........................ 276
Hood ........................................................... 651
Hooks
Cargo ........................................................612
Coat......................................................... 608
Horn ............................................................ 196
HUD
Display contrast adjustment
switch...................................................... 212
Display position adjustment
switch...................................................... 212
Head-up display main switch ........212
Hybrid system
Emergency shut off system.............. 35
Energy monitor/consumption
screen...................................................... 39
High voltage components ............... 34
Hybrid system indicator .................. 201
“POWER” switch................................. 177
Vehicle Proximity Notification
System.......................................................31
Hybrid transmission
Hybrid transmission........................... 186
If the shift lever cannot be
shifted from P ................................... 779
S mode ..................................................... 190G
H
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

870Alphabetical index
Spare tire
Inflation pressure................................807
Storage location ................................. 764
Spark plug ............................................... 804
Specifications .........................................798
Speedometer........................................... 197
Steering
Column lock release ........................ 180
Steering wheel
Adjustment............................................. 105
Audio switches* ..................... 426, 543
Heated steering wheel....................604
Power easy access system .............. 95
Steering wheel position
memory.................................................. 93
Storage feature..................................... 585
Stuck vehicle
If your vehicle becomes stuck..... 793
Sun visors .................................................595
Sunshades ................................................... 116 Switch
Display contrast adjustment
switch ......................................................212
Display position adjustment
switch ......................................................212
Driving mode selector switch.......188
Emergency flasher switch.............. 724
ENTER switch .................................... 206
Fog light switch .....................................221
Hazard light switch ........................... 724
Head-up display main switch ........212
Heated steering wheel switch .... 604
Ignition switch ........................................177
Light switches.........................................217
Menu switch......................................... 206
Power back door switch ................... 75
Power door lock switch..................... 72
“POWER” switch .................................177
Power window switch ........................ 112
Pre-collision braking off
switch ....................................................279
Rear window wiper and
washer switch ...................................229
Window lock switch ............................ 112
Wiper and washer switch ..............223