brake light LEXUS RX450h 2015 Owner's Guide

5
When trouble arises
7435-2. Steps to take in an emergency
If a warning message is displayed
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
The following warning in dicates a possible problem in the brake system.
Immediately stop the vehi cle in a safe place and contact your Lexus
dealer.
Wa r n i n g m e s s a g e Details
(U.S.A.)

(Canada) Indicates the following:
• The brake fluid level is low; or,
• The brake system is malfunctioning.
A buzzer also sounds.
Indicates a malfunction in:
• The regenerative brake system; or,
• The electronically controlled brake system
A buzzer also sounds.If a warning is shown on the multi-information display, stay calm and per-
form the following actions:
Master warning light The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the
multi-information display.
Multi-information display
If any of the warning lights comes on again after the following actions
have been performed, contact your Lexus dealer.

5
When trouble arises
7455-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.
A buzzer sounds and a warning message is shown on th e multi-informa-
tion display. Failure to investigate the cause of the fo llowing warnings may
lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer immediately. Wa r n i n g m e s s a g e Details
(AWD models) Indicates a malfunction in the AWD system
Indicates a malfunction in the steering lock system
(Flashes)
(If equipped) Indicates a malfunction in the LED headlight system
Indicates a malfunction in the brake lights system

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

864Alphabetical index
Engine
Accessory mode ................................. 177
Compartment .....................................654
Hood......................................................... 651
How to start the hybrid
system .................................................... 177
Identification number....................... 799
If the hybrid system will
not start ................................................777
Ignition switch........................................ 177
Overheating.........................................788
“POWER” switch ................................ 177
Engine compartment cover .............655
Engine coolant
Capacity ................................................ 804
Checking ...............................................659
Preparing and checking
before winter .................................... 302
Engine coolant temperature
gauge....................................................... 197
Engine oil
Capacity .................................................802
Checking ...............................................656
Preparing and checking
before winter .................................... 302
EPS ...............................................................271
EV drive mode ........................................ 183
Event data recorder ............................... 25 Floor mat ................................................... 610
Fluid
Brake .......................................................806
Washer................................................... 663
Fog lights
Replacing light bulbs ....................... 708
Switch .........................................................221
Wattage .................................................809
Footwell light .......................................... 582
Front fog lights
Replacing light bulbs ....................... 708
Switch .........................................................221
Wattage .................................................809
Front passenger occupant
classification system ...........................145
Front passenger's seat belt
reminder light ..................................... 736
Front seats
Adjustment .............................................. 86
Driving position memory ..................93
Flattening seatbacks ............................87
Front side marker lights
Replacing light bulbs ....................... 708
Front turn signal lights
Replacing light bulbs ....................... 708
Wattage .................................................809F

868Alphabetical index
Parking assist sensors* .......................248
Parking brake .......................................... 195
Parking lights
Replacing light bulbs........................708
Switch ........................................................ 217
PCS
Function .................................................. 278
Pre-collision braking off
switch ................................................... 279
Warning light ....................................... 734
Personal lights
Switch ......................................................583
Phone*........................................... 429, 552
Power back door ..................................... 75
Power control unit coolant
Capacity ................................................ 804
Checking ...............................................659
Preparing and checking
before winter .................................... 302
Power easy access system................... 95
Power outlet............................................. 601
“POWER” switch.................................... 177
Power windows ........................................ 112
Pre-collision system
Function .................................................. 278
Pre-collision braking off
switch ................................................... 279
Warning light ....................................... 734 Radar cruise control............................ 236
Radiator ......................................................661
Radio* ............................................ 365, 477
Rear seat entert ainment system*
Rear seats
Folding down ......................................... 89
Seat adjustment..................................... 89
Rear turn signal lights
Replacing light bulbs ....................... 708
Wattage .................................................809
Rear view mirror
Compass ................................................622
Inside rear view mirror ..................... 107
Outside rear view mirrors ..............109
Rear view monitor
system* ...................................... 258, 266
Rear window defogger* ....................358
Rear window wiper.............................. 229
Remote Touch*
Replacing
Electronic key battery ..................... 687
Fuses ........................................................ 689
Light bulbs ............................................ 708
Tires...........................................................764
Wireless remote control
battery ................................................. 687
Reporting safety defects for
U.S. owners..........................................840
Reset the maintenance data ..............641
Roof luggage carrier........................... 296P R

872Alphabetical index
Under tray................................................594
USB port* ................. 391, 399, 501, 510
Vanity lights
Vanity lights ..........................................596
Wattage................................................. 809
Vanity mirrors ........................................596
VDIM ...........................................................271
Vehicle data recordings ....................... 23
Vehicle dynamic s integrated
management .........................................271
Vehicle identification number ......... 799
Vehicle stability control........................271
Voice command switch* ....... 429, 553
Voice command system* .................. 446
VSC ..............................................................271 Warning buzzers
Brake system ........................................733
Open door ...........................................736
Seat belt reminder .............................736
Warning lights
Anti-lock brake system ...................734
Brake assist system ...........................734
Brake system ........................................733
Charging system ................................733
Electric power steering ...................734
Electronic engine control
system...................................................734
Low fuel level........................................736
Low tire pressure ...............................736
Malfunction indicator lamp ...........734
Master warning light.........................736
Open door ............................................736
Pre-collision system..........................734
Pretensioners .......................................734
Seat belt reminder light ...................736
Slip indicator .........................................734
SRS airbags ...........................................734
Tire pressure.........................................736U
V W

873Alphabetical index
Warning messages
Anti-lock brake system .................. 745
AWD system ............................744, 745
Brake lamp system ........................... 745
Brake system ........................................743
Dynamic radar cruise
control system ..................... 745, 748
Electric power steering .................. 745
Engine oil maintenance.................. 748
Engine oil pressure............................744
Engine overheat................................. 748
Headlight leveling ............................. 745
Hood ....................................................... 748
Intuitive parking assist ......... 745, 748
Low fuel .................................................. 748
Moon roof ............................................. 748
Open door ........................................... 748
Parking brake ...................................... 748
Pre-collision system ............. 745, 748
Smart access system with
push-button start............................ 756
SRS airbags .......................................... 745
Steering lock ........................................ 745
Washer fluid......................................... 748 Washer
Checking .............................................. 663
Preparing and checking
before winter ....................................302
Switch....................................................... 223
Washing and waxing ........................... 634
Weight
Cargo capacity .................................... 301
Load limits .............................................. 301
Weight.................................................... 798
Wheels ......................................................683
Window glasses ...................................... 112
Window lock switch ............................... 112
Windows
Power windows ..................................... 112
Rear window defogger* ............... 358
Washer ................................................... 223
Windshield wiper de-icer* ...............360
Windshield wipers................................ 223
Wireless remote control....................... 69
Wireless remote control key
Replacing the battery...................... 687
WMA disc* ...................................381, 493
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

875What to do if...
A warning light or indicator
light comes on P. 7 3 3
If a warning light turns on or a warning
buzzer sounds...
■ Warning lights
or orP. 7 3 3 P. 7 3 4
P. 7 3 4 P. 7 3 6
P. 7 3 6
or P. 7 3 4 P. 7 3 6
P. 7 3 6 P. 7 3 4
P. 7 3 4 P. 7 3 4
P. 7 3 6 P. 7 3 6
P. 7 3 3 P. 7 3 4
*: The light flashes to indicate a malfunction.Brake system warning light Malfunction indicator lamp
Brake system warning
light Driver’s seat belt
reminder light
ABS warning light Front passenger’s seat belt
reminder light
Master warning light
Low fuel level warning light Electric power steering system
warning light
SRS warning light Pre-collision system
warning light*
Open door warning light Tire pressure warning light
Charging system warning
light Slip indicator