Page 796 of 956
7944-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) 9 WIPER 30 A Windshield wiper
10 WSH 20 A Windshield washer
11 RR WIPER 15 A Rear window wiper and washer
12 4WD 20 A Four-wheel drive system
13 LH-IG 5 A Alternator, towing, seat heater and
ventilators, windshield wiper de-icer,
front seat belt, emergency flasher,
inverter switch, shift lever switch
14 ECU-IG No.1 5 A ABS, VSC, tilt and telescopic steer-
ing, gateway ECU, shift lock system,
parking assist system, cruise control
switch, pre-collision system, headlight
cleaner, multi-display assembly, rain-
sensing windshield wiper, driving posi-
tion memory system, power door lock
system
15 S/ROOF 25 A Moon roof
16 RR DOOR RH 20 A Po w e r w i n d o w s
17 MIR 15 A Mirror ECU, outside rear view mirror
defoggers
18 RR DOOR LH 20 A Po w e r w i n d o w s
19 FR DOOR LH 20 A Po w e r w i n d o w s
20 FR DOOR RH 20 A Po w e r w i n d o w sFuse Ampere Circuit
Page 798 of 956
7964-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) ■ Passenger’s side instrument panel
Fuse Ampere Circuit
1 RSF LH 30 A Third seat adjustment (left)
2 B/DR CLSR RH 30 A Back door closer
3 B/DR CLSR LH 30 A Back door closer
4 RSF RH 30 A Third seat adjustment (right)
5 DOOR DL 15 A No circuit
6 AHC-B 20 A 4-Wheel AHC
7 TEL 5 A Multimedia
8 TOW B K / U P 7. 5 A To w i n g
9 AHC-B No.2 10 A 4-Wheel AHC
10 ECU-IG No.4 5 A VGRS, power back door, rear ECU,
4-Wheel AHC, third seat adjustment,
tire pressure warning system ECU
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 818 of 956
8165-1. Essential information
LX570_OM_OM60L21U_(U) Towing with a sling-type truck
Towing with a wheel lift-type truck
From front
Use a towing dolly under the rear
wheels.NOTICE■
To prevent body damage
Do not tow with a sling-type truck, either from the front or rear.
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 826 of 956

8245-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) Driver’s seat belt
reminder light
(warning buzzer)
* 2
Warns the driver to fasten
his/her seat belt. Fasten the seat belt.
(On the center
panel) Front passenger’s seat belt
reminder light
(warning buzzer)
* 2
Warns the front passenger to
fasten his/her seat belt. Fasten the seat belt.
Tire pressure warning light
When the light comes on:
Low tire inflation pressure
such as
• Natural causes ( P. 8 2 7 )
• Flat tire ( P. 8 4 9 ) Adjust the tire inflation pres-
sure (including the spare tire)
to the specified level.
The light will turn off after a
few minutes. In case the light
does not turn off even if the
tire inflation pressure is
adjusted, have the system
checked by your Lexus dealer.
When the light comes on after
blinking for 1 minute:
Malfunction in the tire pres-
sure warning system.
( P. 8 2 9 ) Have the system checked by
your Lexus dealer.
Unengaged “Park” warning
light
Indicates that the transmis-
sion “Park” mechanism is not
engaged. Shift four-wheel drive control
to “H4” or “L4”. ( P. 3 3 0 )Warning light Warning light/Details Correction procedure