2014 LEXUS LX570 engine

5
When trouble arises
8155-1. Essential information
LX570_OM_OM60L21U_(U) CAUTION■
While towing ●
Use extreme caution when towing the vehicle.
Avoid sudden starts or erratic driving maneuvers which place excessive stress on
the emergency towing hook and the cables or chains. Always be cautious of the
surroundings and other vehicles while towing. ●
If the engine is not running, the power assi st for the brakes and steering will not
function, making steering and braking more difficult.
NOTICE■
To prevent causing serious damage to the transmission ●
Never tow this vehicle with the wheels on the ground. ●
Use only the front emergency towing hook or towing eyelets when towing your
vehicle.

5
When trouble arises
8175-1. Essential information
LX570_OM_OM60L21U_(U) From rear
Use a towing dolly under the front
wheels.
NOTICE■
To prevent causing serious damage to the transmission
Never tow this vehicle wheels on the ground. ■
To prevent damaging the vehicle ●
Do not tow the vehicle with the “ENGINE START STOP” switch off.
The steering lock mechanism is not st rong enough to hold the front wheel
straight. ●
When raising the vehicle, ensure adequate ground clearance for towing at the
opposite end of the raised vehicle. Wi thout adequate clea rance, the vehicle
could be damaged while being towed.

5
When trouble arises
8195-1. Essential information
LX570_OM_OM60L21U_(U) If you think something is wrong If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
■ Visible symptoms
● Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temper ature gauge needle continually points
higher than normal
● Engine oil pressure gauge continually points lower than normal.
● Voltmeter continually points higher or lower than normal.
■ Audible symptoms
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
● Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, sp ongy feeling, pedal almost touches
the floor

8205-1. Essential information
LX570_OM_OM60L21U_(U) Fuel pump shut off system Follow the procedure below to restar t the engine after the system is acti-
vated.
Turn the “ENGINE START STOP” switch to ACCESSORY mode or
OFF.
Restart the engine. NOTICE■
Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked on to th e ground, the fuel system has been damaged
and is in need of repair. Do not restart the engine.To minimize the risk of fuel leakage when the engine stalls or an airbag
inflates upon collision, the fuel pump shut off system stops supplying fuel to
the engine. STEP 1
STEP 2

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 )

5
When trouble arises
8255-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) * 1
: Open door warning buzzer:
The open door warning buzzer sounds to alert one or more of the doors is not
fully closed (with the vehicle having reached a speed of 3 mph [5 km/h]).
* 2
: Driver’s seat belt buzzer:
The driver’s seat belt buzzer sounds to alert the driver that his or her seat belt
is not fastened. Once the engine switch is turned to IGNITION ON mode,
the buzzer sounds for 6 seconds. If the vehicle reaches a speed of 12 mph
(20 km/h), the buzzer sounds once. If the seat belt is still unfastened after 30
seconds, the buzzer will sound intermitte ntly for 10 seconds. Then, if the seat
belt is still unfastened, the buzzer will sound in a different tone for 20 more
seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer sounds to alert the front passenger that
his or her seat belt is not fastened. The buzzer sounds once if the vehicle
reaches a speed of 12 mph (20 km/h). If the seat belt is still unfastened after 30
seconds, the buzzer will sound intermitte ntly for 10 seconds. Then, if the seat
belt is still unfastened, the buzzer will sound in a different tone for 20 more
seconds. Master warning light
A buzzer sounds and the
warning light comes on or
flashes to indicate that the
master warning system has
detected a malfunction.  P. 8 3 2Warning light Warning light/Details Correction procedure

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
8275-2. Steps to take in an emergency
LX570_OM_OM60L21U_(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 ●
The seatbelt pretensioners ●
The “RSCA OFF” indicator light■
Changing the engine oil
Make sure to reset oil change system ■
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire
pressure warning reset switch 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 changes caused by temperature. In this case,
adjusting the tire inflation pressure will turn off the warning light (after a few min-
utes).