engine LEXUS LX570 2015 Owners Manual

8325-2. Steps to take in an emergency
LX570_OM_OM60L96U_(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 indicato r light or the center differential lock
indicator light blinks
Take the specified steps. (  P. 335)
If the brake system warning light or the malfunction 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 pass enger 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
8335-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) ■
SRS warning light
This warning light system monitors the following: ●
The airbag sensor assembly ●
Front impact sensors ●
Side impact sensors (rear) ●
Side impact sensors (front door) ●
Safing sensor (rear) ●
The driver’s seat belt buckle switch ●
The driver’s seat position sensor ●
Front passenger’s seat belt buckle switch ●
The airbags ●
The interconnecting wiring and power sources ●
The front passenger occupa nt classification system●
“AIR BAG ON” and “AIR BAG OFF” indicator lights●
Seat belt pretensioners and force limiters ●
The “RSCA OFF” indicator light■
Changing the engine oil
Make sure to rese t oil change system■
When the tire pressure warning light comes on
Check the tire inflation pressure and adju st to the appropriate level. Pushing the
tire pressure warning reset sw itch does not turn off the tire pressure warning light.■
The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such as natural
air leaks or tire inflation pressure change s caused by temperature. In this case,
adjusting the tire inflation pressure will turn off the warning light (after a few min-
utes).

5
When trouble arises
8355-2. Steps to take in an emergency
LX570_OM_OM60L96U_(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 precauti ons. 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 come s on even after tire inflation pressure
adjustment, it is probab le that you have a flat tire. Chec k 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.

5
When trouble arises
8435-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) (Flashes) Indicates that the moon
roof is not fully closed
(with the “ENGINE
START STOP” switch off,
and the driver’s door
open) Close the moon roof.
Indicates that engine oil
level is low
A buzzer also sounds. Check the level of engine
oil, and add if necessary.
This message may
appear if the vehicle is
stopped on a slope.
Move the vehicle to a
level surface and check
to see if the message dis-
appears.
(U.S.A.)
(Canada)
(Flashes) Indicates, if the vehicle
reaches a speed of 3 mph
(5 km/h), that the parking
brake is still engaged. Release the parking
brake.Warning message Details Correction procedure

8485-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) Have the malfunction repaired immediately.
After taking the specified steps to co rrect the suspected problem, check
that the warning message and light go off. Interior
buzzer Exterior
buzzerWarning message Details Correction
procedure
Once 3 times
(Flashes) The electronic
key was carried
outside the vehi-
cle and a door
other than the
driver’s door was
opened and
closed while the
“ENGINE START
STOP” switch was
in a mode other
than off. Bring the elec-
tronic key back
into the vehicle.
The driver’s door
was opened and
closed while the
electronic key
was not in the
vehicle, the shift
lever was in “P”
and the “ENGINE
START STOP”
switch was not
turned off. Turn the
“ENGINE START
STOP” switch off
or bring the elec-
tronic key back
into the vehicle.

5
When trouble arises
8495-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) * : If the engine does not start when the electronic key is inside the vehicle, the
electronic key battery may be depleted or there may be difficulty receiving sig-
nal from the key. (  P. 872)Interior
buzzer Exterior
buzzerWarning message Details Correction
procedure
Once 
(Flashes) An attempt was
made to start the
engine without
the electronic key
being present, or
the electronic key
was not function-
ing normally.
An attempt was
made to drive
when the regular
key was not inside
the vehicle. Start the engine
with the elec-
tronic key
present
* .

8505-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) Interior
buzzer Exterior
buzzerWarning message Details Correction
procedure
Con-
tinuous 
(Flashes) The driver’s door
was opened when
the shift lever was
not in “P” and the
“ENGINE START
STOP” switch was
not turned off. Shift the shift lever
to “P”.
Con-
tinuous Con-
tinuous
(Displayed alternately)
(Flashes) The driver’s door
was opened and
closed while the
electronic key
was not in the
vehicle, the shift
lever was not in
“P” and the
“ENGINE START
STOP” switch was
not turned off. •Shift the shift
lever to “P”.
• Bring the elec-
tronic key back
into the vehicle.

5
When trouble arises
8515-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) Once 
(Flashes) •When the doors
were unlocked
with the
mechanical key
and then the
“ENGINE
START STOP”
switch was
pressed, the
electronic key
could not be
detected in the
vehicle.
• The electronic
key could not be
detected in the
vehicle even
after the
“ENGINE
START STOP”
switch was
pressed two
consecutive
times. Touch the elec-
tronic key to the
“ENGINE START
STOP” switch
while depressing
the brake pedal.Interior
buzzer Exterior
buzzerWarning message Details Correction
procedure

8525-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) Once  The electronic
key has a low bat-
tery. Replace the elec-
tronic key bat-
tery. (  P. 784)
Once 
(Flashes) A door was
opened and
closed with the
“ENGINE START
STOP” switch
turned off and
then the
“ENGINE START
STOP” switch was
put in ACCES-
SORY mode
twice without the
engine being
started. Press the
“ENGINE START
STOP” switch
while depressing
the brake pedal.
Once 
(Flashes) The steering lock
could not be
released within 3
seconds of the
“ENGINE START
STOP” switch
being pressed. Press the
“ENGINE START
STOP” switch
while depressing
the brake pedal
and moving the
steering wheel left
and right.Interior
buzzer Exterior
buzzerWarning message Details Correction
procedure

8545-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) ■
Resetting the tire pressure warning data
After adjusting the tire inflation pressure, be sure to initialize the data. (  P. 768)
If the message remains on, the system may have malfunctioned. Have the vehicle
inspected by your Lexus dealer as soon as possible. ■
Warning message in vehicle-to-vehicle distance control mode of the dynamic
radar cruise cont rol (if equipped)
In the following cases, the warning message may not be displayed even if vehicle-
to-vehicle distance decreases: ●
When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle ●
When the vehicle ahead is traveling at a very low speed ●
Immediately after cruise control speed is set ●
At the instant the accelerator pedal is depressed
NOTICE■
While the engine oil level warning is displayed
Continued engine operation with low engine oil will damage the engine.