brake light LEXUS RX350 2015 Owner's Manual

6804-3. Do-it-yourself maintenance
■
Brake fluid can absorb moisture from the air
Excess moisture in the brake fluid can cause a dangerous loss of braking efficiency.
Use only newly opened brake fluid.
CAUTION■
When filling the reservoir
Take care because brake fluid can harm your hands or eyes and damage painted
surfaces.
If fluid gets on your hands or in your eyes, flush the affected area with clean water
immediately.
If you still experience discomfort, see a doctor.
NOTICE■
If the fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads wear out or
when the fluid level in the accumulator is high.
If the reservoir needs frequent re filling, may be a serious problem.

7445-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds...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.
* : Parking brake engaged warning buzzer
 P. 7 5 9
Stop the vehicle immediately.
The following warning indicates the po ssibility of damage to the vehicle
that may lead to an ac cident. Immediately stop the vehicle in a safe place
and contact your Lexus dealer. Warning light Warning light/Details
(U.S.A.)

(Canada) Brake system warning light (warning buzzer)
*•Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released the system is operating normally.
Warning light Warning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging systemCalmly perform the following actions if any of the warning lights comes on
or flashes. If a light comes on or flashes, but then goes off, this does not nec-
essarily indicate a malfunction in the system.

5
When trouble arises
7455-2. Steps to take in an emergency
Have the vehicle inspected immediately.
Failing to investigate the cause of the following warnings may lead to the
system operating abnormally and possibly cause an accident. Have the
vehicle inspected by your Lexus dealer immediately. Warning light Warning light/Details
(U.S.A.)
(Canada) Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
(U.S.A.)
(Canada) ABS warning light
Indicates a malfunction in:
•The ABS; or
• The brake assist system
Electric power steering system warning light (warning
buzzer)
Indicates a malfunction in the EPS (Electric Power Steering)
system

5
When trouble arises
7515-2. 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 “ENGINE START STOP” switch is turned to IGNITION ON mode, have
it checked by your Lexus dealer.■
Customization
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features  P. 8 3 4 )
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.

7545-2. 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.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.

7565-2. Steps to take in an emergency
Have the vehicle inspected by y our Lexus dealer immediately.
A buzzer sounds and a warning message is shown on the 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
Indicates a malfunction in the brake lights system

7905-2. Steps to take in an emergency
Emergency start function
When the engine does no t start, the following s teps can be used as an
interim measure to start the engine if the “ENGINE START STOP” switch
is functioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” switch for about 15
seconds while depressing the brake pedal firmly.
Even if the engine can be started using the above step s, the system may
be malfunctioning. Have the vehicl e inspected by your Lexus dealer.■ The starter motor does not turn over, the interior lights and head-
lights do not turn on, or the horn does not sound.
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. 7 9 6 )
● 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.
STEP 1
STEP 2
STEP 3
STEP 4

868Abbreviation 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
ECT Electronic Controlled Transmission
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

870Alphabetical index
Alphabetical index A/C*
Air conditioning filter .......................699
Automatic air conditioning
system*....................................345, 353
ABS............................................................. 269
ACCESSORY mode .......................... 165
Active torque control
AWD mode ......................................... 269
Air conditioning system*
Air conditioning filter .......................699
Automatic air conditioning
system*....................................345, 353
Airbags
Airbag operating conditions.......... 122
Airbag precautions for your
child......................................................... 127
Airbag warning light ........................ 745
Curtain shield airbag operating
conditions............................................. 123
Curtain shield airbag
precautions ......................................... 127
Front passenger occupant
classification system........................ 132
General airbag precautions .......... 127
Locations of airbags............................ 119
Modification and disposal of
airbags .....................................................131
Proper driving post ure ............. 117, 127
Side airbag operating
conditions............................................. 123
Side airbag precautions ................... 127
SRS airbags ............................................. 119 Alarm ............................................................ 112
All-wheel drive lock switch .............. 275
Antenna ........................................ 380, 489
Anti-lock brake system ...................... 269
Armrest .................................................... 622
Assist grips .............................................. 624
Audio input* ................................. 412, 554
Audio system*
Antenna.................................................. 489
Audio input ........................................... 554
AUX port .............................................. 554
Bluetooth ®
audio system ............. 530
CD player/changer ..........................492
Hands-free system for mobile
phone................................................... 560
iPod ............................................................510
MP3/WMA disc.................................501
Optimal use ......................................... 552
Portable audio device..................... 554
Radio ....................................................... 483
Steering wheel audio switch........ 556
USB memory ...................................... 520
USB port .................................... 510, 520A

871Alphabetical index
Audio system
(Lexus Display Audio system)
Antenna ..................................................380
Audio input ............................................. 412
AUX port ................................................ 412
Bluetooth ®
audio system ............... 414
CD player ............................................. 383
Hands-free system for mobile
phone................................................... 433
iPod .......................................................... 394
MP3/WMA disc ............................... 384
Optimal use.......................................... 428
Portable audio device....................... 412
Radio ...................................................... 368
Steering wheel audio switch........ 430
USB memory ...................................... 402
USB port.................................... 394, 402
Automatic air conditioning system*
Air conditioning filter ....................... 699
Automatic air conditioning
system* ...................................345, 353
Automatic headlight leveling
system ...................................................... 214
Automatic light control system ..........211
Automatic transmission
Automatic transmission............171, 178
If the shift lever cannot be
shifted from P ..................................... 791
M mode....................................................183
S mode ..................................................... 174
AUX port ...................................... 412, 554
Auxiliary boxes .......................... 606, 627 Back door
Back door .................................................56
Wireless remote control ................... 49
Back-up lights
Replacing light bulbs ..........................719
Wattage ................................................... 817
Battery
Checking ................................................ 681
If the vehicle has a discharged
battery ..................................................796
Preparing and checking
before winter ....................................302
Blind Spot Monitor...............................286
Bluetooth ®
audio* .....................414, 530
Bluetooth ®
phone* ................. 433, 560
Bottle holders ........................................ 600
Brake
Fluid............................................................ 814
Parking brake ....................................... 189
Brake assist.............................................. 269
Break-in tips ............................................. 155
BSM............................................................286
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”. B