2018 LEXUS LS500 battery

2054-5. Using the driving support systems
LS500_OM_OM50F54U_(U) 4
Driving and 50 mph [5 and 80 km/h].)
• The relative speed between your vehicle
and the detected pedestrian, bicyclist or
vehicle ahead is approximately 3 mph (5
km/h) or more.●
Active steering assist
• Vehicle speed is be tween approximately
25 and 50 mph (40 and 80 km/h). (For
detecting a pedestrian, vehicle speed is
between approximately 25 and 40 mph
[40 and 65 km/h] and for detecting a
guardrail, vehicle speed is between
approximately 37 and 50 mph [60 and
80 km/h].)
The system may not operate in the following
situations: ●
If a battery terminal has been discon-
nected and reconnected and then the
vehicle has not been driven for a certain
amount of time●
If the shift position is in R●
If VSC is disabled (only the pedestrian
alert and pre-collision warning function
will be operational)●
When there is insufficient safe or unob-
structed space for the vehicle to be
steered into●
When an object is approaching the area
the vehicle is to be steered into■
Pedestrian and bicyc list detection func-
tion
The pre-collision system detects pedestri-
ans and bicyclists based on the size, profile,
and motion of the person. However, a
pedestrian or bicyclist may not be detected
depending on the surrounding brightness
and the motion, posture, and angle of the
person, preventing the system from operat-
ing properly. ( → P.207) ■
Cancelation of pre-collision braking
and active steering assist
If either of the follo wing occur while the
pre-collision braking function is operating, it
will be canceled: ●
The accelerator pedal is depressed
strongly. ●
The steering wheel is turned sharply or
abruptly. ■
Conditions under which the system may
operate even if there is no possibility of a
collision ●
In some situations su ch as the following,
the system may determine that there is a
possibility of a frontal collision and oper-
ate.
• When passing a vehicle, pedestrian or
bicyclist
• When changing lanes while overtaking a
preceding vehicle
• When overtaking a preceding vehicle
that is changing lanes
• When overtaking a preceding vehicle
that is making a left/right turn
• When passing a vehicle in an oncoming
lane that is stopped to make a right/left
turn

214 4-5. Using the driving support systems
LS500_OM_OM50F54U_(U) system determines that the possibility of a
frontal collision with a vehicle or pedestrian
is high.
Each function is operat ional at the following
speeds: ●
Pre-collision warning:
• Vehicle speed is be tween approximately
7 and 110 mph (10 and 180 km/h). (For
detecting a pedestrian, vehicle speed is
between approximately 7 and 50 mph
[10 and 80 km/h].)
• The relative speed between your vehicle
and the vehicle or pedestrian ahead is
approximately 7 mph (10 km/h) or more.●
Pre-collision brake assist:
• Vehicle speed is be tween approximately
20 and 110 mph (30 and 180 km/h). (For
detecting a pedestrian, vehicle speed is
between approximately 20 and 50 mph
[30 and 80 km/h].)
• The relative speed between your vehicle
and the vehicle or pedestrian ahead is
approximately 20 mph (30 km/h) or
more.●
Pre-collision braking:
• Vehicle speed is be tween approximately
7 and 110 mph (10 and 180 km/h). (For
detecting a pedestrian, vehicle speed is
between approximately 7 and 50 mph
[10 and 80 km/h].)
• The relative speed between your vehicle
and the vehicle or pedestrian ahead is
approximately 7 mph (10 km/h) or more.
The system may not operate in the following
situations: ●
If a battery terminal has been discon-
nected and reconnected and then the
vehicle has not been driven for a certain
amount of time
●
If the shift position is in R
●
If VSC is disabled (only the pre-collision
warning function will be operational)
■
Pedestrian detection function
The pre-collision system detects pedestri-
ans based on the size, profile, and motion of
a detected object. However, a pedestrian
may not be detected depending on the sur-
rounding brightness and the motion, pos-
ture, and angle of the detected object,
preventing the system from operating prop- erly. ( → P.216)
■
Cancelation of the pre-collision braking
If either of the follo wing occur while the
pre-collision braking function is operating, it
will be canceled: ●
The accelerator pedal is depressed
strongly. ●
The steering wheel is turned sharply or
abruptly. ■
Conditions under which the system may
operate even if there is no possibility of a
collision ●
In some situations su ch as the following,
the system may determine that there is a
possibility of a frontal collision and oper-
ate.
• When passing a vehicle or pedestrian
• When changing lanes while overtaking a
preceding vehicle
• When overtaking a preceding vehicle
that is changing lanes
• When overtaking a preceding vehicle
that is making a left/right turn
• When passing a vehicle in an oncoming
lane that is stopped to make a right/left
turn

2754-5. Using the driving support systems
LS500_OM_OM50F54U_(U) 4
Driving Engine output restriction control begins operating
System determines that po ssibility of collision with detected object is high
Engine output reduced
System determines that possibility of col lision with detected object is extremely
high
Brake control begins operating
Brake control strength increased
Example: Multi-infomation display:
“BRAKE!”
Example: Multi-infomation display: “Switch to Brake”■
If the Parking Support Brake has oper-
ated
If the vehicle is stopped due to operation of
the Parking Support Brake, the Parking
Support Brake will be disabled and the
PKSB OFF indicator will illuminate. If the
Parking Support Brake operates unneces-
sarily, brake control can be canceled by
depressing the brake pedal or waiting for
approximately 2 seconds for it to automati-
cally be canceled. Then, the vehicle can be
operated by depressing the accelerator
pedal. ■
Re-enabling the Park ing Support Brake
To re-enable the Parking Support Brake
when it is disabled due to operation of the
Parking Support Brake, either enable the
system again ( → P.272), or turn the engine
switch off and then back to IGNITION ON
mode. Additionally, if the object becomes
no longer in the traveling direction of the
vehicle or if the traveling direction of the
vehicle changes (such as changing from
moving forward to backing up, or from
backing up to moving forward), the system
will be re-enabled automatically.
■
If “Parking Support Brake Unavailable”
is displayed on th e multi-information
display and the PKSB OFF indicator is
flashing
If the vehicle is stopped due to operation of
the Parking Support Brake, the Parking
Support Brake will be disabled and the
PKSB OFF indicator will illuminate. ●
A sensor may be cove red with ice, snow,
dirt, etc. Remove the ice, snow, dirt, etc.,
from the sensor to return the system to
normal.
Also, due to ice forming on a sensor at
low temperatures, a warning message
may be displayed or the sensor may not
be able to detect an object. Once the ice
melts, the system wi ll return to normal.●
If this message is di splayed only when the
R shift position is selected, the rear cam-
era lens may be dirty. Clean the camera
lens. If this message is displayed in any
forward shift position, a sensor on the
front or rear bumper may be dirty. Clean
the sensors and their surrounding area
on the bumpers. ●
If this message continues to be displayed
even after cleaning the sensor, or is dis-
played even though the sensor is clean,
have the vehicle inspected by your Lexus
dealer. ●
Initialization may not have been per-
formed after a battery terminal was dis-
connected and reconnected. Initialize the
system. ( → P.275)
If this message continues to be displayed
even after initializati on, have the vehicle
inspected by your Lexus dealer.
■
If a battery terminal has been discon-
nected and reconnected
The system needs to be initialized. To initial-
ize the system, drive the vehicle straight
ahead for 5 seconds or more at a speed of
approximately 22 mph (35 km/h) or more. D
E
F
G
H
I
J
K

296 4-5. Using the driving support systems
LS500_OM_OM50F54U_(U) ■
Disabling both TRAC and VSC systems
To turn the TRAC and VSC systems off,
press and hold the switch for more
than 3 seconds while the vehicle is stopped.
The VSC OFF indicator light will come on
and the “Traction Cont rol Turned Off” will
be shown on the mult i-information display. *
Press the switch again to turn the sys-
tem back on. *
: On vehicles with PCS (Pre-Collision
System), PCS will also be disabled (only
Pre-Collision warning is available). The
PCS warning light will come on and a
message will be displayed on the
multi-information display. ( → P.210, 217)■
When the message is displayed on the
multi-information display showing that
TRAC has been disabled even if the
switch has not been pressed
TRAC cannot be operated. Contact your
Lexus dealer. ■
Operating conditions of hill-start assist
control
When the following four conditions are met,
the hill-start assist control will operate:
●
The shift position is in a position other
than P or N (when stating off for-
ward/backward on an upward incline)
●
The vehicle is stopped
●
The accelerator pedal is not depressed
●
The parking brake is not engaged
■
Automatic system cancelation of
hill-start assist control
The hill-start assist control will turn off in any
of the following situations: ●
Shift the shift position to P or N ●
The accelerator pedal is depressed ●
The parking brake is engaged ●
2 seconds at maximum elapsed after the
brake pedal is released ■
VGRS is disabled when
VGRS may stop operat ing in the following
situations.
In this event, the steering wheel may move
from its straight forward position, but it will
return when the system restarts. ●
When the steering wheel is operated for
an extended period of time while the
vehicle is stopped or is moving very
slowly (on vehicles with LDH, DRS is dis-
abled together with VGRS) ●
When the steering wheel has been held
fully to the left or right
The center position of the steering wheel
may change when VGRS is disabled. How-
ever, the position will return to normal after
VGRS is reactivated. ■
When the battery is disconnected (vehi-
cles with VGRS)
The steering wheel may move from its
straight forward position, but this will be
corrected automatically when driving. ■
Sounds and vibrations caused by the
ABS, brake assist, VSC, TRAC, hill-start
assist control and VGRS systems ●
A sound may be heard from the engine
compartment when the brake pedal is
depressed repeatedly, when the engine is
started or just after the vehicle begins to
move. This sound does not indicate that a
malfunction has occurred in any of these
systems.
●
Any of the following conditions may
occur when the above systems are oper-
ating. None of these indicates that a mal-
function has occurred.
• Vibrations may be felt through the vehicle
body and steering.
• A motor sound may be heard also after
the vehicle comes to a stop.
• Vehicles without Lexus Safety Sys-
tem+A: The brake pedal may pulsate
slightly after the ABS is activated.

2994-6. Driving tips
LS500_OM_OM50F54U_(U) 4
Driving 4-6.Driving tips
 Use fluids that are appropriate to
the prevailing outside temperatures. •Engine oil
• Engine coolant
•Washer fluid
 Have a service technician inspect
the condition of the battery.
 Have the vehicle fitted with four
snow tires or purchase a set of tire
chains for the rear tires. *
Ensure that all tires are the specified size
and brand, and that chains match the size
of the tires. *
: Tire chains cannot be mounted on vehi-
cles with front and rear tires of differing
sizes.Winter driving tips Carry out the necessary prepara-
tions and inspections before driving
the vehicle in winter. Always drive
the vehicle in a manner appropriate
to the prevailing weather condi-
tions.
Preparation for winter
WARNING
■
Driving with snow tires
Observe the following precautions to
reduce the risk of accidents.
Failure to do so may result in a loss of
vehicle control and cause death or seri-
ous injury.
●
Use tires of the specified size.
●
Maintain the recommended level of air
pressure. ●
Do not drive in excess of 75 mph (120
km/h), regardless of the type of snow
tires being used. ●
Use snow tires on all, not just some
wheels. ■
When installing tire chains
Before installing tire chains, make sure to
disable all functions of the vehicle height
control of the electronically modulated
air suspension. Otherwise, the vehicle
height may change while installing the
tire chains and part or your body may be
caught under the vehicle, possibly caus-
ing injury. ( → P.293)■
Driving with tire chains
Observe the following precautions to
reduce the risk of accidents.
Failure to do so may result in the vehicle
being unable to be driven safely, and may
cause death or serious injury. ●
Do not drive in excess of the speed
limit specified for the tire chains being
used, or 30 mph (50 km/h), which-
ever is lower. ●
Avoid driving on bumpy road surfaces
or over potholes. ●
Avoid sudden acceleration, abrupt
steering, sudden br aking and shifting
operations that cause sudden engine
braking.
●
Slow down sufficiently before entering
a curve to ensure that vehicle control is
maintained.
●
Do not use LTA (Lane Tracing Assist)
system. (if equipped)
●
Do not use LKA (Lane-Keeping
Assist) system. (if equipped)

316 5-3. Using the air conditioning system and defogger
LS500_OM_OM50F54U_(U) ■
Main control screen
Using the touchpad of the Remote
Touch, select the button on the screen.
to and can be adjusted by
performing the following operations.
Flick operation: Move the pointer to
the desired item and flick the touchpad
up or down. The item can be adjusted by one level.
Trace operation: After selecting the
desired item, trace the pad surface. The item can be adjusted by the amount
that you trace.
Trace operation cannot be used while driv-
ing. 
Vehicles with DUAL-ZONE climate
control
Sub menu Selecting the sub menu item to switch the
main screen.
: Display the air conditioning control screen
: Display the heated steering
wheel/front seat heater /front seat ventila-
tor control screen (if equipped)
: Display the rear seat heater/rear seat
ventilator control screen (if equipped)
: Display the Lexus Climate Con-
cierge control screen
: Display the option control screen
Adjust the left side seat tempera-
ture setting
Adjust the fan speed setting
Select the air flow mode : Air flows to the upper body
: Air flows to the upper body and feet
: Air flows to the feet
: Air flows to the feet and the wind-
shield defogger operates
Adjust the right side seat tempera-
ture setting
Function on/off indicators When the function is on, the indicator illu-
minates on the control screen.
Sub function menu When the sub function button on the
Remote Touch is pressed, the following
functions can be switched on and off.
: Set Lexus Climate Concierge
( → P.311)
“AUTO”: Set automatic mode on/off
( → P.320)
“OFF”: Turn the fan off NOTICE■
To prevent battery discharge
Do not leave the air conditioning system
on longer than necessary when the
engine is off.
Air conditioning control screen B E H
A B
C
D
E
F
G

3255-3. Using the air conditio ning system and defogger
LS500_OM_OM50F54U_(U) 5
Interior features 
Rear Multi Operation Panel
1 Select “AUTO” on the rear air con-
ditioning control screen. ( → P.324)
2 To stop the operation, select “OFF”
on the rear air co nditioning control
screen. ( → P.323)
If the fan speed setting or air flow
modes are operated , the automatic
mode indicator goes off. However,
automatic mode for functions other
than that operated is maintained. ■
Using automatic mode
Fan speed is adjusted automatically accord-
ing to the temperature setting and the
ambient conditions.
Therefore, the fan may stop for a while until
warm or cool air is ready to flow immedi-
ately after “Rear AUTO” is selected or
“AUTO” is touched.
Cool air may blow around the upper body
even when the heater is on due to sunlight.
The temperature setting of the rear
seats can be adjusted using the follow-
ing methods:
 When the “4-ZONE” indicator is
off: Adjust the driv er’s seat tempera-
ture. Adjust the temperature setting of each
rear seat using the Center Display or Rear
Multi Operation Panel.
 Adjust the temperature setting of
each rear seat using the Center Dis-
play (rear air conditioning control
screen) or Rear Multi Operation
Panel. The temperature setting of each rear seat
can be changed independently.
■
Rear center outlets and rear side
outlets
1 Direct air flow to the left or right, up
or down
2 Turn the knob to open or close the
vent
Adjusting the temperature set-
ting of the rear seats Air outlet layout and operations
NOTICE■
To prevent battery discharge
Do not leave the air conditioning system
on longer than necessary when the
engine is off.

3275-3. Using the air conditio ning system and defogger
LS500_OM_OM50F54U_(U) 5
Interior features ■
Center Display 
Main screen
Using the touchpad of the Remote
Touch, select the button on the screen.
to can be adjusted by perform-
ing the following operations.
Flick operation: Move the pointer to
the desired item and flick the touchpad
up or down. The item can be adjusted by one level.
Trace operation: After selecting the
desired item, trace the touchpad sur-
face. The item can be adjusted by the amount
that you trace.
Trace operation cannot be used while driv-
ing. Adjust the seat ventilator fan speed
level The seat ventilator can be adjusted in 3 lev-
els. (Low, Mid or Hi)
Adjust the seat heater temperature
level The seat heater can be adjusted in 3 levels.
(Low, Mid or Hi)
Adjust the heated steering wheel
temperature level *
The heated steering wheel can be adjusted
in 2 levels. (Low or Hi)
Automatic mode on/off indicators When the automatic mode is on, the indi-
cator illuminates on the screen.
Sub function menu When the sub function button on the
Remote Touch is pressed, the following
functions can be set to automatic mode.
: Left-hand side seat heater/seat
ventilator
: Heated steering wheel *
: Right-hand side seat heater/seat
ventilator *
: Available on the front seat control
screen only 
Side screen
Display the air conditioning control
screen → P.319NOTICE■
To prevent damage to the seat heat-
ers and seat ventilators
Do not put heavy objects that have an
uneven surface on the seat and do not
stick sharp objects (needles, nails, etc.)
into the seat. ■
To prevent battery discharge
Do not use the functions when the
engine is off.
Control screen A C A
B
C
D
E
A