
5
When trouble arises
821
LX570_OM_OM60L21U_(U) 5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds...Stop the vehicle immediately. Continui ng 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:
A buzzer sounds to indicate that the parking brake is still engaged (with the
vehicle having reached a speed of 3 mph [5 km/h]).
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 system.Calmly perform the following actions if any of the warning lights turn on or
flash. If a light turns on or flashes, bu t then turns off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.

8225-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) 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 emission control system;
• 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.
(Comes on or
flashes) Pre-collision system warning light (if equipped)
Indicates:
• Malfunction in the pre-collision system if the light comes on.
• The system cannot temporarily be used if the light flashes.
( P. 8 4 0 )

8265-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) ■
If the malfunction indicator lamp comes on while driving
First check the following: ●
Is the fuel empty?
If it is, fill the fuel tank immediately. ●
Is the fuel tank cap loose?
If it is, tighten it securely.
The malfunction indicator lamp will go off after taking several driving trips.
If the malfunction indicator lamp does not go off even after several trips, contact
your Lexus dealer as soon as possible. ■
If the low speed four-wheel drive indicator light or the center differential lock
indicator light blinks
Take the specified steps. ( P. 333)
If the brake system warning light or the ma lfunction indicator light also comes on, or
the low speed four-wheel drive indicator light or the center differential lock indica-
tor light continues to blink after taking th e specified steps, there may be a malfunc-
tion in the engine, the brake system or the four-wheel drive system. In this case, you
may not be able to transfer between “H4” and “L4” modes, and the center differen-
tial lock may not be able to be locked or unlocked. Have the vehicle inspected by
your Lexus dealer, immediately. ■
Front passenger detection sensor and passenger seat belt reminder●
If luggage is placed on the front passenger seat, the front passenger detection
sensor may cause the warning light to flash, even if a passenger is not sitting in
the seat. ●
If a cushion is placed on the seat, the sensor may not detect a passenger, and the
warning light may not operate properly.

5
When trouble arises
8295-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) ■
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 Lexus dealer.
CAUTION■
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 the tire is flat,
change to 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.

8645-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) 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.
Put the shift lever in “P”.
Set the “ENGINE START STOP” switch to the ACCESSORY
mode.
Push and hold the “ENGINE START STOP” switch about 15 sec-
onds while depr essing the brake pedal firmly.
Even if the engine can be started using the above step s, the system may
be malfunctioning. Have the vehicle checked 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. 870)
● 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

934
LX570_OM_OM60L21U_(U) Abbreviation list
Abbreviation/Acronym list ABBREVIATIONS MEANING
4WD Four Wheel Drive
A/C Air Conditioning
ABS Anti-lock Brake System
AFS Adaptive Front-lighting System
AHC Active Height Control Suspension
AI-SHIFT Artificial Intelligence Shift control
ALR Automatic Locking Retractor
AV S Adaptive Variable Suspension
CRS Child Restraint System
DISP Display
ECT Electronic Controlled Transmission
EDR Event Data Recorder
ELR Emergency Locking Retractor
GAWR Gross Axle Weight Rating
GCWR Gross Combination Weight Rating
GPS Global Positioning System
GVWR Gross Vehicle Weight Rating
HI High
I/M Emission inspection and maintenance
INT Intermittent

936
LX570_OM_OM60L21U_(U) Alphabetical index
Alphabetical index A/C
Air conditioning filter ........................777
Automatic air conditioning
system ..................................................440
ABS............................................................. 347
Active head restraint .............................. 69
Active height control
suspension ............................................. 318
Active traction control........................ 347
Adaptive Front-lighting System..... 208
Adaptive Variable
Suspension ...........................................329
AFS ............................................................ 208
AHC............................................................ 318
Air conditioning filter ...........................777
Air conditioning system
Air conditioning filter ........................777
Automatic air conditioning
system ..................................................440
Airbags
Airbag operating conditions..........128
Airbag precautions for your
child......................................................... 132
Airbag warning light ........................ 822
Curtain shield airbag
operating conditions ......................128
Curtain shield airbag
precautions ......................................... 132
Front passenger occupant
classification system....................... 138
General airbag precautions .......... 132
Locations of airbags........................... 124
Modification and disposal of
airbags ...................................................136
Proper driving post ure ........... 122, 132 Roll sensing of curtain shield
airbags off switch ............................. 137
Side airbag operating
conditions ............................................ 128
Side airbag precautions................... 132
SRS airbags ............................................ 124
SRS airbags instructions
for Canadian owners....................923
Alarm ............................................................ 119
Antenna .................................................... 497
Anti-lock brake system ..................... 347
Armrest .................................................... 708
Assist grips .............................................. 709
Ashtrays.................................................... 699
Audio system
Antenna...................................................497
AUX port .............................................. 570
CD player ............................................. 503
DVD player.......................................... 503
iPod ..........................................................558
MP3/WMA disc...............................505
Optimal use ......................................... 568
Radio ....................................................... 483
Steering wheel audio switch.........572
USB memory ...................................... 548
Automatic air conditioning
system .................................................... 440
Automatic headlight leveling
system ..................................................... 210
Automatic light control
system .................................................... 206
Automatic transmission
Automatic transmission ................... 179
If the shift lever cannot be
shifted from “P” ............................... 865
Paddle shift switches ......................... 182
“S” mode .................................................. 184A

937Alphabetical index
LX570_OM_OM60L21U_(U) AUX port ................................................ 570
Auxiliary box .......................................... 693
AVS ........................................................... 329
Back-up lights
Replacing light bulbs .......................804
Wattage ................................................ 890
Back door
Back door ................................................ 56
Wireless remote control key.......... 48
Battery
If the vehicle has discharged
battery.................................................. 870
Preparing and checking
before winter .....................................374
Bluetooth ®
audio..................................537
Bluetooth ®
phone ................................. 612
Bottle holder ...........................................692
Brake
Fluid ......................................................... 888
Parking brake ....................................... 188
Brake assist ..............................................347
Break-in tips ............................................. 165
Brightness control
Instrument light control .................... 192
Care
Exterior ................................................... 730
Interior......................................................733
Seat belts ................................................734
Cargo capacity ..................................... 366
Cargo hooks ............................................ 712
CD player................................................ 503 Center differential
lock/unlock switch ............................330
Chains ....................................................... 374
Child restraint system
Booster seats, definition ...................144
Booster seats, installation ............... 149
Convertible seats, definition ...........144
Convertible seats, installation ....... 149
Infant seats, definition .........................144
Infant seats, installation ..................... 149
Installing CRS with
LATCH anchor................................ 150
Installing CRS with seat
belts ........................................................ 152
Installing CRS with
top tether strap ..................................157
Child safety
Airbag precautions .............................132
Battery precautions ..............759, 872
Child-protectors ................................... 52
Child restraint system ........................144
Heated steering wheel
precautions........................................703
How your child should wear
the seat belt ..........................................95
Installing child restraints................... 149
Moon roof precautions...................... 113
Power window lock switch ............ 107
Power window precautions .......... 109
Removed key battery
precautions......................................... 781
Seat belt precautions ..........................96
Seat heater
precautions........................................ 707
Child-protectors ...................................... 52
Cigarette lighter....................................700B
C