2016 LEXUS RX350 brake light

6358-2. Steps to take in an emergency
8
When trouble arises
RX350_U_OM48E90U (Flashes)
(U.S.A.)
(Flashes)
(Canada)
Parking brake indicator
It is possible that the parking br ake is not fully engaged or released
 Operate the parking brake switch once again.
This light comes on when the park ing brake is not released. If the
light turns off after the parking brake is fully released, the system is
operating normally. (Flashes)
Brake hold operated indicator
Indicates a malfunction in the brake hold system
 Have the vehicle inspected by your Lexus dealer immediately.
Electric power steering system warning light (warning buzzer)
Indicates a malfunction in the EP S (Electric Power Steering) sys-
tem
 Have the vehicle inspected by your Lexus dealer immediately. (If equipped)
LKA indicator/LDA indicator
Indicates a malfunction in the LKA (Lane-Keeping Assist)/LDA
(Lane Departure Alert with steering control)
 When “Lane Keeping Assist Unavailable” or “Lane Departure
Alert Unavailable” is displayed on the multi-information display,
turn the LKA/LDA system off, drive the vehicle for a short time,
and then turn the LKA/LDA system back on. (  P. 2 8 7 , 2 9 6 )
When a message other than above is displayed, follow the
instructions displayed in the message.
Slip indicator
When the warning li ght is illuminated:
Indicates a malfunction in:
• The VSC system;
•The TRAC system;
• The Trailer Sway Control; or
• The hill-start assist control system
 Have the vehicle inspected by your Lexus dealer immediately.
When the warning light flashes:
Indicates that the VSC, TRAC or Trailer Sway Control system is
operatingWarning light Warning light/Details/Actions

6398-2. Steps to take in an emergency
8
When trouble arises
RX350_U_OM48E90U WA R N I N G ■
If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediat ely and contact your Lexus dealer. The vehi-
cle will become extremely unstable during braking, and the ABS system may fail, which
could cause an accident resulting in death or serious injury. ■
When the electric power steering system warning light comes on
When the light comes on yellow, the assist to the power steering is restricted. When the
light comes on red, the assist to the power steering is lost and handling operations of
the steering wheel become extremely heavy. When steering wheel operations are
heavier than usual, grip the steering wheel firmly and operate it 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 a 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 pressure
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.

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.

656 8-2. Steps to take in an emergency
RX350_U_OM48E90U WA R N I N G ■
When using the compact spare tire ●
Remember that the compact spare tire provid ed is specifically designed for use with
your vehicle. Do not use your compact 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, ab rupt steering, sudden bra king 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 accid ent 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 possibility 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)
• Cruise control (if equipped)
• Dynamic radar cruise control (if
equipped)
• Dynamic radar cruise control with full-
speed range (if equipped)
• PCS (Pre-Collision System) (if
equipped) • LDA (Lane Departure Alert with
steering control) (if equipped)
• LKA (Lane-keeping Assist) (if
equipped)
• Automatic High Beam (if equipped)
• AFS (Adaptive Front-lighting System)
(if equipped)
• Tire pressure warning system
• Intuitive parking assist (if equipped)
• Lexus parking assist monitor (if
equipped)
• Panoramic view monitor (if equipped)
• BSM (Blind Spot Monitor) (if
equipped)
• Navigation system (if equipped)

6598-2. Steps to take in an emergency
8
When trouble arises
RX350_U_OM48E90U 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. 6 6 5 )●
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 following steps can be used as an interim
measure to start the engine if the engine switch is functioning normally.
T urn the engine switch to IGNITION ON mode and check that the parking
brake is set. (  P. 221, 235)
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 inspected by your Lexus dealer.The starter motor does not turn ove r, the interior lights and headlights
do not turn on, or the horn does not sound.
Emergency start function 1
2
3
4

730 What to do if... (Troubleshooting)
RX350_U_OM48E90U ●
The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (  P. 636)●
The parking brake indicator is on
Is the parking brake released? (  P. 2 3 5 )
Depending on the situation, other type s of warning buzzer may also sound.
(  P. 6 3 4 , 6 4 1 ) ●
Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (  P. 76 )
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. 6 4 1 )
●
When a warning light turns on or a warning message is displayed, refer to
P. 6 3 4 , 6 4 1 . 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

732
RX350_U_OM48E90U Alphabetical index
Alphabetical index A/C ............................................................ 495
Air conditioning filter....................... 598
Automatic air conditioning
system ................................................. 495
S-FLOW mode ................................. 496
ABS (Anti-lock Brake System)....... 374
Warning light .......................................634
Adaptive Front-lighting System
(AFS) ...................................................... 242
Adaptive Variable Suspension
System ................................................... 375
AFS (Adaptive Front-lighting
System) .................................................. 242
Air conditioning filter ..........................598
Air conditioning system ..................... 495
Air conditioning filter....................... 598
Automatic air conditioning
system ................................................. 495
S-FLOW mode ................................. 496
Airbags ........................................................ 36
Airbag operating conditions ........... 44
Airbag precautions for your
child .......................................................... 39
Airbag warning light .........................634
Correct driving posture .................... 28
Curtain shield airbag
operating conditions........................ 44
Curtain shield airbag
precautions ........................................... 42 Front passenger occupant
classification system......................... 49
General airbag precautions ........... 39
Locations of airbags............................ 36
Modification and disposal of
airbags .................................................... 43
Seat cushion airbag ............................. 36
Side airbag operating
conditions ............................................. 44
Side airbag precautions .................... 39
Side and curtain shield airbags
operating conditions ....................... 44
Side and curtain shield airbags
precautions .......................................... 39
SRS airbag instructions for
Canadian owners ............................ 716
SRS airbags ............................................. 36
Alarm ............................................................ 76
All-wheel drive lock mode ................373
Anchor brackets...................................... 59
Antenna
Radio ..........................................................419
Smart access system
with push-button start....................146
Anti-lock Brake System (ABS) .......374
Warning light ....................................... 634
Approach warning .................... 309, 321
Armrest .................................................... 534
Assist grips .............................................. 535A

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”.