Page 799 of 956
7974-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) Fuse Ampere Circuit
11 SEAT-A/C FAN 10 A Ventilators
12 SEAT-HTR 20 A Seat heaters
13 AFS 5 A Adaptive Front-lighting System
14 ECU-IG No.3 5 A Adaptive Front-lighting System,
dynamic radar cruise control system
15 STRG HTR 10 A Heated steering wheel
16 TV 10 A Multi-display assembly■
After a fuse is replaced ●
If the lights do not turn on even afte r the fuse has been replaced, a bulb may
need replacement. ( P. 7 9 9 )●
If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.■
If there is an overload in the circuits
The fuses are designed to blow, protecting the wiring harness from damage.
Page 816 of 956
8145-1. Essential information
LX570_OM_OM60L21U_(U) Emergency towing
If a tow truck is not available, in an emergency your vehicle may be tem-
porarily towed using a cable or cha in secured to the towing hook. This
should only be attempted on hard, surfaced roads for short distances at
low speeds.
A driver must be in the vehicle to s teer and operate the brakes. The vehi-
cle’s wheels, drive train, axles, steering and brakes must be in good condi-
tion.
Towing hook
■
Emergency towing procedure
The “ENGINE START STOP” switch must be in ACCESSORY mode
(engine off) or IGNITION ON mode (engine running).
Put the four-wheel drive control switch in “H4”. (The center differential is
unlocked.)
Put the vehicle height in the “N” mode and press the height control OFF
switch to turn off the height control. ( P. 3 1 8 )
Put the shift lever in “N”.
Release the parking brake.STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
Page 817 of 956
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.
Page 819 of 956
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.
Page 831 of 956

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.
Page 835 of 956
5
When trouble arises
8335-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) Have the vehicle inspected by your Lexus dealer immediately.
Failure to investigate the cause of th e following 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
Indicates a malfunction in the automatic transmission
system
A buzzer also sounds.
Indicates a malfunction in the steering lock system
A buzzer also sounds.
Page 848 of 956
8465-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) Once The electronic key
has a low battery. Replace the elec-
tronic key battery.
( P. 7 8 0 )
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
buzzerWa r n i n g m e s s a g e Details Correction
procedure
Page 865 of 956

5
When trouble arises
8635-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) If the engine will not start If the engine still does not start afte r following the correct starting proce-
dure ( P. 175) or releasing the steering lock ( P. 177), confirm the fol-
lowing points.
■ The engine will not start even when the starter motor operates
normally
One of the following may be the cause of the problem.
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. ( P. 175)
● There may be a malfunction in the engine immobilizer system.
( P. 117)
■ The starter motor turns over slow ly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume
One of the following may be the cause of the problem.
● The battery may be discharged. ( P. 870)
● The battery terminal connections may be loose or corroded.
■ The starter motor does not turn over
The engine starting system may be malfunctioning due to an electri-
cal problem such as an open ci rcuit or a blown fuse. However, an
interim measure is available to start the engine. ( P. 8 6 4 )