2016 LEXUS RX350 warning lights

6418-2. Steps to take in an emergency
8
When trouble arises
RX350_U_OM48E90U Master warning light The master warning light also comes on or flashes in order to indicate that a message
is currently being displayed on the multi-information display.
Multi-information display
If any of the warning messages are show n again after the following actions have
been performed, contact your Lexus dealer.
The warning lights and warning buzzers operate as follows depending on the
content of the message. If a message in dicates the need for inspection by a
dealer, have the vehicle inspected by your Lexus dealer immediately.If a warning message is displayed The multi-information display shows warnings of system malfunctions, incor-
rectly performed operations, and messages that indicate a need for mainte-
nance. When a message is shown, perform the correction procedure
appropriate to the message. 
Except F SPORT models 
F SPORT models
Messages and warnings 1
2
System
warning
light Wa r n i n g b u z z e r
* Wa r n i n g
Comes
on  Sounds Indicates an important situation, such
as when a system related to driving is
malfunctioning or that danger may
result if the correction procedure is not
performed
 Comes on
or flashes Sounds Indicates an important situation, such
as when the systems shown on the
multi-information display may be mal-
functioning

6458-2. Steps to take in an emergency
8
When trouble arises
RX350_U_OM48E90U ■
If “Maintenance Required Visit Your Dealer” is displayed (U.S.A. only)
Indicates that all maintenance is required to correspond to the driven distance
on the maintenance schedule
* .
Comes on approximately 5000 miles (8000 km) after the message has
been reset.
(The indicator will not wo rk properly unless the message has been reset.)
Perform the necessary maintenance. Please reset the message after the main-
tenance is performed. (  P. 565)
* : Refer to the separate “Scheduled Mainte nance” or “Owner’s Manual Supplement”
for the maintenance interval applicable to your vehicle. ■
System warning lights
The master warning light does not come on or flash in the following cases. Instead, a sep-
arate system warning light will come on al ong with a message shown on the multi-infor-
mation display. ●
“Antilock Brake System Malfunction Visit Your Dealer”:
The ABS warning light comes on. (  P. 6 3 4 )●
“Charging System Malfunction See Ow ner’s Manual” (F SPORT models):
The charging system warning light comes on. (  P. 6 3 4 )■
Warning buzzer
 P. 6 3 8
NOTICE ■
“High Power Consumption Partial Limit On AC/Heater Operation” is frequently
shown
There is a possible malfunction relating to the charging system or the battery may be
deteriorating. Have the vehicle inspected by your Lexus dealer.

733Alphabetical index
RX350_U_OM48E90U Audio system (with Lexus
Display Audio System) ................... 390
Antenna ................................................... 419
Audio input........................................... 399
AUX port.............................................. 399
Bluetooth ®
audio ............................. 448
CD player .............................................. 422
iPod ...........................................................429
MP3/WMA disc ............................... 422
Optimal use ......................................... 409
Portable music player ...................... 437
Radio ......................................................... 416
Setup menu ...........................................402
Steering wheel audio
switches .............................................. 396
USB memory .......................................433
Audio system
(with navigation system)
*Automatic air conditioning
system .................................................... 495
Air conditioning filter....................... 598
S-FLOW mode ................................. 496
Automatic headlight leveling
system .................................................... 243
Automatic High Beam ....................... 245
Automatic light control system.........241
Automatic transmission .......... 225, 229
If the shift lever cannot be
shifted from P .................................. 660
M mode ....................................................231
Paddle shift switches ............. 230, 231
S mode .................................................... 226
AUX port................................................. 399
Auxiliary boxes ..............................517, 521 Back door
Power back door ............................... 130
Touchless power back door.......... 132
Wireless remote control................. 130
Back-up lights
Replacing light bulbs ........................ 610
Wattage ................................................. 682
Battery
Battery checking ................................. 581
If the battery is discharged............665
Preparing and checking before
winter................................................... 380
Warning light ....................................... 634
Blind Spot Monitor (BSM) ............... 355
Blind Spot Monitor function.........359
Rear Cross Traffic
Alert function.................................... 363
Bluetooth ®
............................................... 471
Audio system ....................................... 448
Hands-free system
(for cellular phone) .......................450
Bottle holders .......................................... 515
Brake
Brake Hold ........................................... 239
Fluid ......................................................... 680
Parking brake ...................................... 235
Warning light ....................................... 634
Brake assist ..............................................374
Brake Hold.............................................. 239
Warning light .......................................635
Break-in tips ............................................. 194
Brightness control
Instrument panel light control ........ 87 B
* : Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

735Alphabetical index
RX350_U_OM48E90U Coolant
Capacity ................................................ 678
Checking............................................... 578
Preparing and checking
before winter ................................... 380
Cooling system ..................................... 578
Engine overheating.......................... 668
Cornering lights .................................... 242
Cruise control
Cruise control......................................326
Dynamic radar cruise control....... 314
Dynamic radar cruise control
with full-speed range ................... 302
Cup holders ..............................................514
Curtain shield airbags ........................... 37
Customizable features ....................... 699
Customized mode ............................... 369
Daytime running light system .......... 243
Defogger
Outside rear view mirrors ............ 500
Rear window .......................................500
Windshield ........................................... 500
Differential ............................................... 679
Dimension ............................................... 674
Dinghy towing..........................................219
Display
Dynamic radar cruise control....... 314
Dynamic radar cruise control
with full-speed range ................... 302
LDA (Lane Departure Alert
with steering control) ................... 297
LKA (Lane-Keeping Assist) ........ 288
Multi-information display ..................89
Warning messages............................ 641 Do-it-yourself maintenance............. 570
Doors
Automatic door locking and
unlocking system.............................. 127
Door lock................................................. 126
Outside rear view mirrors .............. 173
Power back door ............................... 130
Rear door child-p rotectors ............ 127
Side doors ............................................... 124
Side windows ........................................ 177
Drive information .....................................93
Drive-start control .......... 193, 227, 232
Driver’s seat belt reminder light .... 636
Driver’s seat position memory.......... 162
Driving
Break-in tips ...........................................194
Correct posture .................................... 28
Driving mode select switch .......... 369
Procedures ............................................. 192
Winter drive tips ............................... 380
Driving position memory .................... 162
Memory recall function ....................165
Dynamic radar cruise control ........... 314
Dynamic radar cruise control
with full-speed range....................... 302
Dynamic Torque Control AWD
system .....................................................375D

738 Alphabetical index
RX350_U_OM48E90U Hands-free system
(for cellular phone) ........................... 450
Head restraints ........................................ 167
Head-up display......................................107
Headlight cleaner................................. 250
Headlights ................................................. 241
Automatic headlight leveling ....... 243
Automatic High Beam ....................245
Light switch .............................................241
Replacing light bulbs ......................... 610
Wattage ................................................. 682
Windshield wiper linked
headlight illumination.................... 244
Heated steering wheel ....................... 506
Heaters
Automatic air conditioning
system ................................................. 495
Heated steering wheel ................... 506
Outside rear view mirrors ............ 500
Seat heaters .............................506, 507
High mounted stoplight
Replacing ................................................ 610
Hill-start assist control ........................ 374
Hood .......................................................... 572
Hooks
Cargo hooks ......................................... 518
Cargo net hooks ................................. 518
Front passenger footwell
hooks ................................................... 533
Grocery bag hooks........................... 519
Retaining hooks (floor mat) ............. 26
Horn .............................................................169
HUD (Head-up display) ......................107 I/M test ..................................................... 569
Identification
Engine ..................................................... 676
Vehicle .................................................... 675
Ignition switch (engine switch) ....... 220
Illuminated entry system ...................... 511
Immobilizer system ................................. 74
Indicators .................................................... 80
Initialization
Engine oil maintenance data ....... 577
Items to initialize ................................... 712
Power back door ............................... 138
Tire pressure warning system .... 585
Inside rear view mirror...........................171
Instrument panel light control .............87
Interior lights .......................................... 508
Switch ..................................................... 509
Wattage ................................................. 682
Intuitive parking assist ........................ 330
Jack
Positioning a floor jack.................... 573
Vehicle-equipped jack ................... 647
Jack handle .............................................. 647
Jam protection function
Electronic sunshade.......................... 186
Moon roof ...............................................182
Panoramic moon roof...................... 186
Power back door opener
and closer ........................................... 138
Power windows....................................178H I
J

739Alphabetical index
RX350_U_OM48E90U Keyless entry
Smart access system with
push-button start ............................. 146
Wireless remote control .......120, 130
Keys............................................................. 120
Battery-saving function .................... 148
Electronic key ....................................... 120
Engine switch .......................................220
If the electronic key does not
operate properly.............................. 661
Key number plate ............................... 120
Keyless entry ......................................... 120
Mechanical key ...................................... 121
Replacing the battery ...................... 603
Warning buzzer .................................. 125
Wireless remote control ................. 120
Knee airbags ............................................. 36
Lane Departure Alert
with steering control (LDA).......... 293
Lane-Keeping Assist (LKA)............. 283
Language (multi-information
display)...................................................... 101
LATCH anchors ...................................... 69
LDA (Lane Departure Alert
with steering control) ...................... 293
Lever
Auxiliary catch lever ......................... 572
Hood lock release lever ................. 572
Shift lever .................................... 225, 229
Turn signal lever ................................. 234
Wiper lever .............................. 250, 256
Lexus Climate Concierge ................ 494 Lexus Display Audio controller ..... 392
Lexus Enform
* Lexus Enform Remote
* .................... 552
LEXUS Enform Safety
Connect.................................................547
LEXUS Enform Service
Connect
* ............................................. 554
Lexus parking assist monitor ........... 339
Display..................................................... 340
Precautions ........................................... 346
Lexus Safety System+ .........................262
Automatic High Beam.................... 245
Dynamic radar cruise control ....... 314
Dynamic radar cruise control
with full-speed range ................... 302
LDA (Lane Departure Alert
with steering control) ................... 293
LKA (Lane-Keeping Assist)......... 283
PCS (Pre-Collision System) ....... 270
License plate lights
Light switch............................................. 241
Replacing light bulbs ........................ 610
Light
Automatic High Beam.................... 245
Cornering lights ................................. 242
Fog light switch ................................... 249
Headlight switch .................................. 241
Illuminated entry system.................... 511
Interior light list ................................... 508
Interior lights ....................................... 509
Luggage compartment light ..........136
Personal lights ...................................... 510
Replacing light bulbs ........................ 610
Turn signal lever ................................. 234
Vanity lights .......................................... 523K
L
* : Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

740 Alphabetical index
RX350_U_OM48E90U Wattage ................................................. 682
Welcome lighting .............................. 243
Light bulbs
Replacing ................................................ 610
Wattage ................................................. 682
LKA (Lane-Keeping Assist)............. 283
Lock steering column ......................... 222
Luggage cover ....................................... 519
Maintenance
Do-it-yourself maintenance......... 570
General maintenance .................... 566
Maintenance data .............................. 674
Maintenance requirements.......... 564
Malfunction indicator lamp .............. 634
Memory recall function .......................165
Meter
Head-up display.................................. 107
Indicators.................................................. 80
Instrument panel light control ......... 87
Meters........................................................ 85
Multi-information display ..................89
Settings .......................................................96
Warning lights .....................................634
Warning messages............................ 641
Microphone ..............................................451
Mirrors
Inside rear view mirror ....................... 171
Outside rear view mirror
defoggers .......................................... 500
Outside rear view mirrors ...............173
Vanity mirrors ......................................523 Moon roof
Door lock linked moon roof
operation .............................................. 179
Jam protection function....................182
Operation................................................. 181
MP3 disc ..................................................422
Multi-information display
AWD Control display........................ 94
Clock .......................................................... 85
Drive information .................................. 93
Dynamic radar cruise control ....... 314
Dynamic radar cruise control
with full-speed range ................... 302
G-force display ..................................... 95
Language.................................................. 101
LDA (Lane Departure Alert
with steering control) ................... 297
LKA (Lane-Keeping Assist).........288
Outside temperature.......................... 85
PCS
(Pre-Crash Safety system).......... 271
Settings ...................................................... 96
Suggestion function............................104
Sway warning display ......................... 94
Warning messages ............................641
Navigation system
* Noise from under vehicle ........................8M
N

741Alphabetical index
RX350_U_OM48E90U Odometer ................................................ 103
Oil
Engine oil................................................676
Rear differential oil .............................679
Transfer oil .............................................679
Opener
Hood ........................................................ 572
Power back door .................................. 131
Outside rear view mirrors .................. 173
Adjusting and folding.........................173
Blind Spot Monitor (BSM)........... 355
Linked mirror function when
reversing .............................................. 175
Mirror position memory .................. 162
Outside rear view mirror
defoggers .......................................... 500
Outside temperature display ............. 85
Overheating ........................................... 668
Paddle shift switches ................. 230, 231
Panic mode ................................................ 121
Panoramic moon roof ......................... 185
Jam protection function ................... 186
Operation ............................................... 185
Parking brake......................................... 235
Parking brake engaged
warning buzzer/message.......... 237
Warning light ...................................... 635
Parking lights
Light switch .............................................241
Replacing light bulbs ......................... 610
PCS (Pre-Collision System) ............ 270
Warning light ...................................... 636 Personal lights .........................................510
Power back door ...................................130
Touchless power back door.......... 132
Wireless remote control................. 130
Power back door opener and
closer .......................................................130
Power easy access system ................. 162
Power outlets ............................... 531, 532
Power steering (Electric Power
Steering system).................................374
Warning light .......................................635
Power windows
Door lock linked window
operation .............................................. 179
Jam protection function....................178
Operation................................................ 177
Window lock switch .......................... 177
Pre-Collision System (PCS).............270
Warning light ....................................... 636
Radar cruise control (dynamic
radar cruise control).......................... 314
Radar cruise control
(dynamic radar cruise control
with full-speed range) ..................... 302
Radiator.....................................................579
Radio ........................................................... 416
Rear Cross Traffic Alert .................... 355
Rear door sunshades.......................... 534
Rear seat
Folding down the rear
seatbacks .............................................153
Rear seat heaters ................................. 507O
P R
* : Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.