power steering LEXUS LS600H 2015 Owner's Manual

3855-6. Other interior features
5
Interior features
LS600hL_U(OM50E41U)
Automatic operation
Operates automatically according
to the outside and cabin tempera-
ture when the power switch is
turned to ON mode. Automatic
operation can be turned off using
the switch.
The indicator light comes on when the
heater is operating.
Manual operation
Turns the heated steering wheel on/
off.
The indicator light comes on when the
heater is operating.
■Operating condition
The power switch is in ON mode.
■Timer function
Manual operation: Turns off after approximately 30 minutes.
Automatic operation: Operates for a maximum of 30 minutes. (Turns off according
to outside and cabin temperature.)
■If the indicator light does not come on
If the indicator light does not come on when the switch is pressed, a malfunction may
have occurred in the system. Have the vehicle inspected by your Lexus dealer.
■Customization
The automatic turning on/off of the heated steering wheel can be customized.
(Customizable features P. 5 6 4 )
Heated steering wheel
The left and right grip portions of the steering wheel can be heated.

4857-1. Essential information
7
When trouble arises
LS600hL_U(OM50E41U)
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase the effort required to
slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the hybrid system.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal wi th both feet to reduce vehicle
speed as much as possible.
To stop the hybrid system, press
and hold the power switch for 2
consecutive seconds or more, or
press it briefly 3 times or more in
succession.
Stop the vehicle in a safe place by the road.
If your vehicle has to be stopped in an emergency
Only in an emergency, such as if it becomes impossible to stop the vehi-
cle in the normal way, stop the vehicle using the following procedure:
1
2
3
4
3
Press and hold for 2 seconds or more,
or press briefly 3 times or more
4
CAUTION
■If the hybrid system has to be turned off while driving
Power assist for the steering wheel will be lost, making the steering wheel heavier
to turn. Decelerate as much as possible before turning off the hybrid system.
5

4907-2. Steps to take in an emergency
LS600hL_U(OM50E41U)
■While towing
If the hybrid system is off, the power assist for the brakes and steering will not func-
tion, making steering and braking more difficult.
■Wheel nut wrench
Wheel nut wrench is installed in trunk. (P. 5 0 7 , 5 1 6 )
CAUTION
Observe the following precautions.
Failure to do so may result in death or serious injury.
■When towing the vehicle
■While towing
●When towing using a cables or chains, avoid sudden starts, etc. which place
excessive stress on the towing eyelets, cables or chains. The towing eyelets,
cables or chains may become damaged, broken debris may hit people and cause
serious damage.
●Do not turn the power switch off.
There is a possibility that the steering wheel is locked and cannot be operated.
■Installing towing eyelet to the vehicle
Make sure that towing eyel et is installed securely.
If not securely installed, towing eyelet may come loose during towing.
Be sure to transport the vehicle with all four
wheels raised off the ground. If the vehicle is
towed with the tires contacting the ground,
the drivetrain or related parts may be dam-
aged, the vehicle may fly off the truck, or
electricity generated by the operation of the
motor may cause a fire to occur depending
on the nature of the damage or malfunction.

4947-2. Steps to take in an emergency
LS600hL_U(OM50E41U)
The following warning indicates the possibility of damage to the vehicle
that may lead to an acc ident. Immediately stop th e vehicle in a safe place
and contact your Lexus dealer.
Failure to investigate the cause of th e following warnings may lead to the
system operating abnormally and possib ly cause an accident. Have the
vehicle inspected by your Lexus dealer immediately.
Stop the vehicl e immediately.
Warning lightWarning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
Have the vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The hybrid system;
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic hybrid transmission control system
SRS warning lightIndicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system;
• The seat belt pretensioner system; or
• The active head restraints system
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
•The ABS; or
• The brake assist system
Electric power steering system warning lightIndicates a malfunction in the EPS (Electric Power Steering)
system

4987-2. Steps to take in an emergency
LS600hL_U(OM50E41U)
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact sensors,
side impact sensors (front door), side impact sensors (front), side impact sensors
(rear door) side impact sensors (rear), driver ’s seat position sensor, driver’s seat belt
buckle switch, front passenger occupant classification system (ECU and sensors),
“AIR BAG ON” indicator light, “AIR BAG OFF” indicator light, front passenger’s seat
belt buckle switch, seat belt pretensioner s and force limiters, airbags, interconnect-
ing wiring and power sources. ( P. 44)
■Front passenger detection sensor, seat belt reminder and warning buzzer
●If luggage is placed on the front passenger seat, the front passenger detection sen-
sor may cause the warning light to flash an d the warning buzzer to sound 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.
■Electric power steering system warning light
When the 12-volt battery charge becomes insufficient or the voltage temporarily
drops, the electric power steering system warning light may come on.
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon
as possible.
■When the tire pressure warning light comes on
Check the tire inflation pressure and adjust it to the appropriate level. Pushing the
tire pressure warning reset switch will not turn off the tire pressure warning light.

5007-2. Steps to take in an emergency
LS600hL_U(OM50E41U)
CAUTION
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact your Lexus dealer. The
vehicle will become extremely unstable during braking, and the ABS system may
fail, which could cause an accident resulting in death or serious injury.
■When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold firmly and
operate using more force than usual.
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause a loss of
vehicle control and result in death or serious injury.
Vehicles with a spare tire
●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 a tire is flat, change
it with 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.
Vehicles with run-flat tires
●Decelerate to the lowest appropriate speed as soon as possible. Do not drive
over 50 mph (80 km/h).
●Check and adjust the tire inflation pressure 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. Have the tire replaced 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.

5598-1. Specifications
8
Vehicle specifications
LS600hL_U(OM50E41U)
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a man-
ufacturer
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of hybrid transmission,
power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1
* below
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty 12-volt battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated

5708-2. Customization
LS600hL_U(OM50E41U)
Automatic
air condi-
tioning sys-
tem
( P. 3 3 6 )
A/C Auto switch opera-
tionOnOffO—O
Exhaust gas sensor sensi-
tivityStandard-3 to 3O—O
Air conditioning control of
Eco drive modeOnOff——O
Climate
control
seats
( P. 3 8 7 )
Front climate control seat
temperature adjustment
during automatic opera-
tion (individual seat adjust-
ment available)
Level 3
(standard)
Level 1
(cool) to level 5
(warm)
O—O
Rear climate control seat
start-up conditions when
power switch is in the ON
position (individual seat
adjustment available)
OffOn
(AUTO)O—O
Function that warms seats
faster than usual (individual
seat adjustment available)
OnOff——O
Time until function that
warms seats faster than
usual turns off (individual
seat adjustment available)
Standard
Short
——OLong
Heated
steering
wheel

(  P. 3 8 5 )
Automatic steering wheel
heatingOnOffO—O
Time until automatic steer-
ing wheel heating turns offLevel 3
(standard)
Level 1
(short) to level 5 (long)
O—O
ItemFunctionDefault settingCustom-
ized setting123

594What to do if... (Troubleshooting)
LS600hL_U(OM50E41U)●
Did you press the power switch
while firmly depressing the
brake pedal? ( P. 2 1 6 )
●Is the shift lever in P? ( P. 2 1 6 )
●Is the electronic key anywhere detectable inside the vehicle?
( P. 1 2 9 )
●Is the steering wheel unlocked? ( P. 2 1 8 )
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary
way. ( P. 5 2 6 )
●Is the 12-volt battery discharged? ( P. 5 2 7 )
●Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake
pedal with the power switch in ON mode ( P. 5 1 9 )
●It is locked automatically to prevent theft of the vehicle.
( P. 218)
If you think something is wrong
The hybrid system does not start
The shift lever cannot be shifted from P even if you depress the
brake pedal
The steering wheel cannot be turn ed after the hybrid system is
stopped

600Alphabetical index
LS600hL_U(OM50E41U)
Card key ................................................... 120
Care ................................................. 418, 422Aluminum wheels ............................... 419
Exterior..................................................... 418
Interior ..................................................... 422
Seat belts ................................................ 423
Cargo capacity........................................213
Cargo hooks .......................................... 373
Cargo net ................................................ 373
Caution label ...............................................81
Chains ....................................................... 327
Child restraint system............................ 62 Booster seats, definition .................... 62
Booster seats, installation.................... 71
Convertible seats, definition ............ 62
Convertible seats, installation .........69
Front passenger occupant classification system .........................55
Infant seats, definition .......................... 62
Infant seats, installation .......................69
Installing CRS with LATCH anchors .....................68
Installing CRS with seat belts ..........69
Installing CRS with top tether strap ......................... 72 Child safety .................................................. 61
12-volt battery precautions ........................... 452, 529
Airbag precautions.............................. 45
Child restraint system......................... 62
Climate control seat precautions .........................................391
Heated steering wheel precautions .......................................386
How your child should wear the seat belt ................................. 37, 38
Installing child restraints .................... 66
Moon roof precautions ....................195
Power window lock switch............ 189
Power window precautions ............ 191
Rear door child-protectors ............146
Removed electronic key battery precautions .............. 473
Seat belt comfort guide ......................37
Seat belt extender precautions ....... 41
Seat belt precautions .......................... 65
Trunk precautions ............................... 152
Child-protectors .................................... 146
Cigarette lighter ................................... 380
Cleaning .........................................418, 422 Aluminum wheels ................................419
Exterior .....................................................418
Interior ..................................................... 422
Seat belts................................................ 423
Climate control seat ........................... 387
Climate control seat filter ................. 390
Clock......................................................... 378
Clock light ............................................... 360
Coat hooks ............................................... 401
Coin holder .............................................367
Condenser............................................... 447
C