2015 LEXUS LS600H suspension

2884-5. Using the driving support systems
LS600hL_U(OM50E41U)
CAUTION
■Be sure to stop the hybrid system in the following situations in order to stop oper-
ation of the electronically modulated air suspension:
●The vehicle is parked on a curb.
●Any of the wheels is stuck in a ditch.
●It is necessary to jack up the vehicle.
●It is necessary to tow the vehicle with part of it lifted.
If the power switch remains in ON mode, the vehicle height may change, and you
may catch part of your body in the vehicle, resulting in accidental damage.

2954-5. Using the driving support systems
4
Driving
LS600hL_U(OM50E41U)
CAUTION
■TRAC may not operate effectively when
Directional control and power may not be achievable while driving on slippery
road surfaces, even if the TRAC system is operating.
Do not drive the vehicle in conditions where stability and power may be lost.
■Hill- start assist control does not operate effectively when
Do not overly rely on the hill-start assist control. The hill-start assist control may not
operate effectively on steep inclines and roads covered with ice.
■When the VSC is activated
The slip indicator light flashes. Always drive carefully. Reckless driving may cause
an accident. Exercise particular care when the indicator light flashes.
■When the TRAC/VSC systems are turned off
Be especially careful and drive at a spee d appropriate to the road conditions. As
these are the systems to help ensure vehicle stability and driving force, do not turn
the TRAC/VSC systems off unless necessary.
■Replacing tires
Make sure that all tires are of the specified size, brand, tread pattern and total load
capacity. In addition, make sure that the tires are inflated to the recommended tire
inflation pressure level.
The ABS, TRAC and VSC systems will not function correctly if different tires are
installed on the vehicle.
Contact your Lexus dealer for further information when replacing tires or wheels.
■Handling of tires and the suspension
Using tires with any kind of problem or modifying the suspension will affect the
driving assist systems, and may cause a system to malfunction.

2974-5. Using the driving support systems
4
Driving
LS600hL_U(OM50E41U)
◆Pre-collision braking
When there is a high possibility of a frontal collision, the system warns
the driver using a warning light, war ning display and buzzer. If the sys-
tem determines that a collision is unavoidable, the brakes are automati-
cally applied to help avoid a collision or to reduce the collision speed.
When the vehicle is being stopped by pre-collision braking, the brake
will be engaged for a maximum of 2 seconds and then released auto-
matically. This pre-collisio n braking can be canceled by depressing the
accelerator pedal or brake pedal.
Pre-collision braking can be disabled us ing the pre-collision braking off switch.
◆Suspension control
When there is a high possibility of a frontal collision, the operation of
suspension control helps prevent the front of the vehicle from dropping
when the brakes are applied suddenly.
◆Steering gear control (VGRS) (vehicles with camera sensors)
When the system determines that a collision is unavoidable, the steer-
ing gear ratio is changed to help improve the response to steering
input.
◆Driver monitor system (if equipped)
When the system determines that there is a possibility of a collision, and
either the driver is not facing forwar d or the driver’s eyes are closed,
pre-collision warnings are given in advance to warn the driver. If the
system determines that the conditions to operate pre-collision alert
braking have been met even when th e possibility of a collision increases
further, pre-collision alert braking will operate.
Pre-collision alert braking can be disabled using the pre-collision braking off
switch.

3014-5. Using the driving support systems
4
Driving
LS600hL_U(OM50E41U)
●Suspension control:
• Vehicle speed is greater than about 4 mph (5 km/h).
• The speed at which your vehicle is approaching the obstacle or the vehicle run-ning ahead of you is greater than about 19 mph (30 km/h).
●Steering gear control (VGRS) (vehicles with camera sensors):
• Vehicle speed is greater than about 19 mph (30 km/h).
• The speed at which your vehicle is approaching the obstacle or the vehicle run-
ning ahead of you is greater than about 19 mph (30 km/h).
●Pre-collision alert braking (vehicles with driver monitor system):
• The pre-collision braking off switch is not pressed.
• The VSC OFF switch is not pressed.
• The system determines that the driver is not facing forward, or that the driver’s
eyes are closed.
• Vehicle speed is greater than about 25 mph (40 km/h).
• The speed at which your vehicle is approaching the vehicle running ahead of
you is greater than about 25 mph (40 km/h).
• The steering is not being turned.

4196-1. Maintenance and care
6
Maintenance and care
LS600hL_U(OM50E41U)
■Automatic car washes
●Fold the mirrors before washing the vehicle. Start washing from the front of the
vehicle. Make sure to extend the mirrors before driving.
●Brushes used in automatic car washes may scratch the vehicle surface and harm
your vehicle’s paint.
■High pressure car washes
●Do not allow the nozzles of the car wash to come within close proximity of the win-
dows and the air suspension unit.
●Before using the car wash, check that the fuel filler door on your vehicle is closed
properly.
■Aluminum wheels
●Remove any dirt immediately by using a neutral detergent. Do not use hard
brushes or abrasive cleaners. Do not use strong or harsh chemical cleaners.
Use the same mild detergent and wax as used on the paint.
●Do not use detergent on the wheels when they are hot, for example after driving for
long distance in the hot weather.
●Wash detergent from the wheels immediately after use.
■Bumpers and side moldings
Do not scrub with abrasive cleaners.
■Front side windows water-repellent coating
●The following precautions can extend the effectiveness of the water-repellent coat-
ing.
• Remove any dirt, etc. from the front side windows regularly.
• Do not allow dirt and dust to accumulate on the windows for a long period. Clean the windows with a soft, damp cloth as soon as possible.
• Do not use wax or glass cleaners that contain abrasives when cleaning the win-
dows.
• Do not use any metallic objects to remove condensation build up.
●When the water-repellent performance ha s become insufficient, the coating can
be repaired. Contact your Lexus dealer.

4216-1. Maintenance and care
6
Maintenance and care
LS600hL_U(OM50E41U)
NOTICE
■To prevent paint deterioration and corrosion on the body and components (alu-
minum wheels etc.)
●Wash the vehicle immediately in the following cases:
• After driving near the sea coast
• After driving on salted roads
• If coal tar or tree sap is present on the paint surface
• If dead insects, insect droppings or bird droppings are present on the paintsurface
• After driving in an area contaminated with soot, oily smoke, mine dust, iron
powder or chemical substances
• If the vehicle becomes heavily soiled with dust or mud
• If liquids such as benzene and gasoline are spilled on the paint surface
●If the paint is chipped or scratched, have it repaired immediately.
●To prevent the wheels from corroding, remove any dirt and store in a place with
low humidity when storing the wheels.
■Cleaning the exterior lights
●Wash carefully. Do not use organic subs tances or scrub with a hard brush.
This may damage the surfaces of the lights.
●Do not apply wax to the surfaces of the lights.
Wax may cause damage to the lenses.
■When using an automatic car wash
Set the wiper switch to the off position.
If the wiper switch is in “AUTO”, the wipers may operate and the wiper blades may
be damaged.
■When using a high pressure car wash
●When washing the vehicle, do not spray the camera or its surrounding area
directly with a high pressure washer. Shock applied from high pressure water may
cause the device to not operate normally.
●Do not bring the nozzle tip close to joinin g parts, boots (rubber or plastic covers),
or connectors of the following as they may be damaged if they come into contact
with high pressure water.
•Drivetrain
•Steering •Suspension
•Brakes

4927-2. Steps to take in an emergency
LS600hL_U(OM50E41U)●
Fluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
●Flat-looking tires or uneven tire wear
●Engine coolant temperature gauge
needle continually points higher
than normal.
●Changes in exhaust sound
●Excessive tire squeal when cornering
●Strange noises related to the suspension system
●Pinging or other noises related to the hybrid system
●Engine missing, stumbling or running roughly
●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, spongy feeling, pedal almost touches the
floor
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 pos-
sible.
Visible symptoms
Audible symptoms
Operational symptoms

587
9
For owners
LS600hL_U(OM50E41U)
ATTENTION
■Modification et mise au rebut des éléments du système de coussins gonflables
SRS
Consultez impérativement votre concessionnaire Lexus si vous avez besoin
d’intervenir sur votre véhicule, de vous en séparer ou de procéder à l’une des
modifications suivantes. Les coussins gon flables SRS peuvent être défaillants ou se
déployer (se gonfler) accidentellement , provoquant la mort ou de graves
blessures.
●Installation, dépose, démontage et réparation des coussins gonflables SRS
●Réparations, modifications, démontage ou remplacement du volant, du tableau
de bord, de la planche de bord, des sièg es ou de leur garnissage, des montants
avant, latéraux et arrière ou des rails latéraux de toit
●Réparations ou modifications des ailes avan t, du bouclier avant ou des flancs de
l’habitacle
●Installation d’un protège-calandre (pare-buffle, pare-kangourou, etc.), de
chasse-neiges, de treuils
●Modifications du système de suspension du véhicule
●Installation d’appareils élec troniques, tels qu’une radio émetteur/récepteur ou un
lecteur CD
●Aménagements du véhicule visant à permettre sa conduite par une personne
atteinte d’un handicap physique