2020 LEXUS RX450H brake light

6658-2. Steps to take in an emergency
8
When trouble arises
RX350/RX350L_U
■If “Maintenance Required Visit Your Dealer” is displayed (U.S.A. only)
Indicates that all maintenance is requir ed 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 work properly unless the message has been reset.)
Perform the necessary maintenance. Please reset the message after the main-
tenance is performed. ( P. 585)
*: 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 along with a message shown on the multi-infor-
mation display.
●“Antilock Brake System Malfunction Visit Your Dealer”:
The ABS warning light comes on. ( P. 654)
●“Charging System Malfunction See Ow ner’s Manual” (F SPORT models):
The charging system wa rning light comes on. (P. 654)
■Warning buzzer
 P. 658
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.

6808-2. Steps to take in an emergency
RX350/RX350L_U
WARNING
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use with
your vehicle. Do not use your comp act spare tire on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting operations
that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:
Also, not only can the following system not be utilized fully, but it may even negatively
affect the drive-train components:
• AWD system (AWD models)
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accident causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibilit y of personal injury during a collision or sudden brak-
ing.
• ABS & Brake assist
•VSC
•TRAC
• Trailer Sway Control
•EPS
• VDIM (if equipped)
• Adaptive Variable Suspension System (if equipped)
• Dynamic radar cruise control with full- speed range
• PCS (Pre-Collision System)
• LKA (Lane-keeping Assist)
• Automatic High Beam • AFS (Adaptive Front-lighting System)
(if equipped)
• Tire pressure warning system
• Intuitive parking assist (if equipped)
• Intelligent Clearance Sonar (ICS) (if equipped)
• Lexus parking assist monitor (if equipped)
• Panoramic view monitor (if equipped)
• BSM (Blind Spot Monitor) (if
equipped)
• Navigation system (if equipped)

6838-2. Steps to take in an emergency
8
When trouble arises
RX350/RX350L_U
One of the following may be the cause of the problem:
●One or both of the battery terminals may be disconnected.
●The battery may be discharged. (P. 687)
●There may be a malfunction in the steering lock system.
Contact your Lexus dealer if the problem cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the follo wing steps can be used as an interim
measure to start the engine if the engine switch is functioning normally.
Turn the engine switch to IGNITION ON mode and check that the parking
brake is set. ( P. 232, 247)
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
Press and hold the engine switch for about 15 seconds while depressing the
brake pedal firmly.
Even if the engine can be started using the above steps, the system may be mal-
functioning. Have the vehicle in spected by your Lexus dealer.
The starter motor does not turn over, the interior lights and headlights
do not turn on, or the horn does not sound.
Emergency start function
1
2
3
4

754What to do if... (Troubleshooting)
RX350/RX350L_U
●The seat belt reminder light is flashing
Are the driver and the passengers wearing the seat belts?
( P. 656, 656)
●The parking brake indicator is on
Is the parking brake released? ( P. 247)
Depending on the situation, other types of warning buzzer may also sound.
( P. 654, 661)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 77)
Do one of the following to stop the alarms:
• Unlock the doors.
• Turn the engine switch to ACCESSORY or IGNITION ON mode, or start the engine.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display. ( P. 661)
●When a warning light turns on or a warning message is displayed, refer to
P. 654, 661.A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

756
RX350/RX350L_UAlphabetical index
Alphabetical index
A/C ............................................................503
Air conditioning filter......................... 618
Automatic air conditioning system ...................................... 503, 518
S-FLOW mode ..................................... 511
ABS (Anti-lock Brake System)....... 378 Warning light ...................................... 654
Adaptive Front-lighting System (AFS) ...................................................... 253
Adaptive Variable Suspension System ................................................... 379
AFS (Adaptive Front-lighting System) .................................................. 253
Air conditioning filter ........................... 618
Air conditioning system Air conditioning filter......................... 618
Automatic air conditioning system ...................................... 503, 518
S-FLOW mode ..................................... 511 Airbags .........................................................36
Airbag operating conditions .......... 43
Airbag precautions for your child.......................................................... 39
Airbag warning light ........................ 654
Correct driving posture .................... 30
Curtain shield airbag operating conditions ....................... 43
Curtain shield airbag precautions ............................................ 41
Front passenger occupant classification system..........................47
General airbag precautions ........... 39
Locations of airbags............................ 36
Modification and disposal of airbags .....................................................42
Seat cushion airbag ..............................37
Side airbag operating conditions ............................................. 43
Side airbag precautions .................... 39
Side and curtain shield airbags operating conditions ....................... 43
Side and curtain shield airbags precautions .......................................... 39
SRS airbag instructions for Canadian owners .......................... 740
SRS airbags ............................................. 36
A

757Alphabetical index
RX350/RX350L_U
Alarm ............................................................. 77
All-wheel drive lock mode ................377
Anchor brackets ...................................... 57
AntennaRadio ........................................................ 423
Smart access system with push-button start ................... 146
Anti-lock Brake System (ABS)....... 378 Warning light ...................................... 654
Approach warning...............................308
Armrest .................................................... 555
Assist grips .............................................. 556
Audio system (with Lexus Display Audio System) ................... 394 Antenna .................................................. 423
Audio input........................................... 403
AUX port.............................................. 403
Bluetooth
® audio ..............................453
CD player .............................................. 427
iPod ...........................................................434
MP3/WMA disc ............................... 427
Optimal use ........................................... 413
Portable music player ...................... 442
Radio ........................................................420
Setup menu .......................................... 406
Steering wheel audio switches .............................................. 400
USB memory ...................................... 438 Audio system
(with navigation system)
*
Automatic air conditioning system .......................................... 503, 518 Air conditioning filter ........................ 618
S-FLOW mode..................................... 511
Automatic headlight leveling system .....................................................254
Automatic High Beam ....................... 256
Automatic light control system .......252
Automatic transmission.......... 236, 240 If the shift lever cannot be shifted from P ....................... 239, 244
M mode .................................................. 242
Paddle shift switches.............. 241, 242
S mode.....................................................237
AUX port ................................................ 403
Auxiliary boxes ......................... 535, 540
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

758Alphabetical index
RX350/RX350L_U
Back doorPower back door ................................ 130
Touchless power back door ..........132
Wireless remote control ................. 130
Back-up lights Replacing light bulbs ....................... 630
Wattage ................................................. 705
Battery Battery checking ................................. 601
If the battery is discharged ........... 687
Preparing and checking before winter ................................................... 384
Warning light ...................................... 654
Blind Spot Monitor (BSM)..................313 Blind Spot Monitor function ...........317
Rear Cross Traffic Alert function ......................................321
Bluetooth
®.............................................. 476
Audio system .......................................453
Hands-free system (for cellular phone) ....................... 455 Bottle holders ........................................ 533
Brake
Brake Hold ...........................................250
Fluid .......................................................... 704
Parking brake .......................................247
Warning light ....................................... 654
Brake assist ............................................. 378
Brake Hold.............................................. 250 Warning light .......................................655
Break-in tips ........................................... 204
Brightness control Instrument panel light control ........88
BSM (Blind Spot Monitor) ................. 313 Blind Spot Monitor function........... 317
Rear Cross Traffic Alert function.................................................. 321
B

763Alphabetical index
RX350/RX350L_U
Flat tire ...................................................... 666
Floor mats ................................................... 28
FluidAutomatic transmission ..................703
Brake ........................................................704
Washer .................................................. 603
Fog lights Replacing light bulbs ....................... 630
Switch...................................................... 260
Front automatic air conditioning system .........................503
Front passenger footwell hooks ..... 554
Front passenger occupant classification system .............................47
Front passenger’s seat belt reminder light ..................................... 656
Front seat heaters................................. 522
Front seats .................................................156 Adjustment ............................................. 156
Cleaning .................................................. 581
Correct driving posture ....................30
Driving position memory ................. 172
Head restraints ...................................... 177
Power easy access system ............. 172
Seat heaters .......................................... 522
Seat position memory........................ 172 Front side marker lights
Light switch........................................... 252
Replacing light bulbs .......................630
Wattage ................................................. 705
Front turn signal lights Replacing light bulbs .......................630
Turn signal lever ................................. 246
Wattage ................................................. 705
Fuel Capacity.................................................700
Fuel gauge ............................................... 86
Information............................................ 706
Refueling ................................................ 269
Type..........................................................700
Fuel filler door.........................................269 Refueling ................................................ 269
When the fuel filler door cannot be opened ..........................272
Fuses.......................................................... 625
F