lane assist LEXUS LS500 2021 Owners Manual

3TABLE OF CONTENTS
1
2
3
4
5
6
7
8
9
Dinghy towing ................................173
4-2. Driving procedures Engine (ignition) switch .............. 174
Automatic transmission.............. 178
Turn signal lever............................. 185
Parking brake ................................. 186
Brake Hold....................................... 188
4-3. Operating the lights and wipers Headlight switch ............................ 190
AHB (Automatic High Beam) ............................................................ 193
Windshield wipers and washer ............................................................ 196
4-4. Refueling Opening the fuel tank cap........ 200
4-5. Using the driving support systems Lexus Safety System + A........... 202
Lexus Safety System + 2.0 ....... 209
PCS (Pre-Collision System) (vehi- cles with Lexus Safety System +
A) ...................................................... 215
PCS (Pre-Collision System) (vehi- cles with Lexus Safety System +
2.0).................................................. 227
FCTA (Front Cross Traffic Alert) ........................................................... 235
LTA (Lane Tracing Assist)........ 238
RSA (Road Sign Assist) .............. 251
Dynamic radar crui se control with
full-speed range......................... 254
BSM (Blind Spot Monitor) ....... 264
PKSA (Parking Support Alert) ............................................................ 271
Intuitive parking assist ................ 272
RCTA (Rear Cross Traffic Alert) function .......................................... 277RCD (Rear Camera Detection)
function........................................... 281
PKSB (Parking Support Brake) .......................................................... 284
Parking Support Brake function (static objects) ............................ 288
Parking Support Brake function (rear-crossing vehicles) ......... 293
Parking Support Brake function (rear pedestrians) ..................... 296
Driving mode select switch ..... 299
Electronically modulated air sus- pension ........................................... 301
Driving assist systems ................ 304
4-6. Driving tips Winter driving tips ....................... 309
5-1. Remote Touch/Display Remote Touch.................................314
Center Display............................... 316
Rear Multi Operation Panel .... 318
5-2. Lexus Climate Concierge Lexus Climate Concierge.......... 321
5-3. Using the air conditioning system and defogger
Front automatic air conditioning
system ............................................ 323
Rear automatic air conditioning system ............................................ 333
Hea t

ed steering wheel/seat heat-
ers/seat ventilators................... 336
5-4. Using the interior lights Interior lights list ........................... 340
5-5. Using the storage features List of storage features .............. 344
5Interior features

18Pictorial index
Phone switch*
LTA (Lane Tracing Assist) switch ..................................................................... P.238
Vehicle-to-vehicle distance switch .................................................................. P.257
Cruise control switches .......................................................................................P.254
Audio remote control switches
*
Talk switch*
*
: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
Remote Touch
*1....................................................................................................... P.314
Seat switch ................................................................................................................ P.12 2
Heated steering wheel/seat he aters/seat ventilators switch
*2..............P.336
Rear sunshade switch
*2...................................................................................... P.358
Vehicle height adjustment switch
*2..................................................................P.301
P position switch ..................................................................................................... P.180
*1: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
*2: If equipped
C
D
E
F
G
H
A
B
C
D
E
F

872-1. Instrument cluster
2
Vehicle status information and indicators
tion system-linked information.
Route guidance to destination
 Compass display (heading-up dis-
play)
■Route guidance to destination display
When the route guidance to destination
display is enabled on the head-up display, it
will not be displayed on the multi-informa-
tion display. (P.91)
Select to enable selection of an audio
source or track on the meter using the
meter control switches.
Select to display the operational status
of the following systems:
 LTA (Lane Tracing Assist)
( P.238)
 Dynamic radar cruise control with
full-speed range ( P.254)
 RSA (Road Sign Assist) (if
equipped) ( P.251)
■Meter display settings that can be
changed
 Language
Select to change th e language displayed.
Units
Select to change the units of measure dis-
played.
 Speedometer display (except F SPORT models)
Select to set the display of the speedome-
ter to digital/analog/both digital and ana-
log.

Drive information 1/Drive informa-
tion 2
Select to select up to 2 items ( P.84) that
will be displayed on each Drive information
screen (Drive information 1 screen and
Drive information 2 sc reen) respectively.
Clock
Select to switch between 12-hour display
and 24-hour display.
Pop-up display
Select to enable/disable pop-up displays
for each relevant system.
Accent color
Select to change the accent color on the
screen, such as the cursor color.
Rev indicator (F SPORT models)
• Select to enable/disable the rev indica-
tor.
• Select to set the engine speed at which the rev indicator (amber) will begin to be
displayed.
 Rev peak (F SPORT models)
Select to enable/disable the rev peak.
Eco Driving Indicator Light
Select to enable/disable the Eco Driving
Indicator Light.
Default setting
Select to reset the meter display settings to
the default setting.
■Vehicle functions and settings that
can be changed
 P.476
Audio system-linked display
Driving support system informa-
tion display
Settings display

922-1. Instrument cluster
Displays the operational status of the
following systems:
LTA (Lane Tracing Assist)
( P.238)
 Dynamic radar cruise control with
full-speed range ( P.254)
Details of content displayed on the
head-up display may differ from that dis-
played on the multi-information display. For
details, refer to the explanation of each sys-
tem.
Pop-up displays for the following sys-
tems will be displayed when necessary.
■Driving support systems
Displays a warning/suggestion/advice
message or the operating state of a rel-
evant system.
 PCS (Pre-Collision System)
( P.215, 227)
 FCTA (Front Cross Traffic Alert) (if
equipped) ( P.235)
 Intuitive parking assist (if equipped)
( P.272)
 Parking Support Brake function (for
static objects) (if equipped)
( P.288)
 Brake Override System ( P.165)
 Drive-Start Control ( P.170)
Details of content displayed on the
head-up display may differ from that dis-
played on the multi-information display. For details, refer to the explanation of each sys-
tem.
■/ icons
These icons are linked to the
multi-information display
: Master warning icon
Displayed when a warn ing message is dis-
played on the multi-information display.
(  P.436)
: Information icon
Displayed when a suggestion pop-up dis-
play ( P.88) or advice pop-up display is
displayed on the multi-information display.
■Warning message
Some warning messages are displayed
when necessary, according to certain
conditions.
Details of content displayed on the
head-up display may differ from that dis-
played on the multi-information display.
■Audio system operation status
Displayed when an audio remote con-
trol switch on the steering wheel is
operated.
■Hands-free system status
Displayed when the hands-free system
is operated.
■When a pop-up display is displayed
When a pop-up display is displayed, a cur-
rent display may no long er be displayed. In
this case, the display will return after the
pop-up display disappears.
Driving support system display
area
Pop-up display

163
4
4
Driving
Driving
.4-1. Before drivingDriving the vehicle ..................... 164
Cargo and luggage ................... 170
Vehicle load limits ...................... 172
Trailer towing ............................... 173
Dinghy towing ............................. 173
4-2. Driving procedures Engine (ignition) switch ........... 174
Automatic transmission........... 178
Turn signal lever.......................... 185
Parking brake .............................. 186
Brake Hold.................................... 188
4-3. Operating the lights and wipers Headlight switch ......................... 190
AHB (Automatic High Beam) ......................................................... 193
Windshield wipers and washer ......................................................... 196
4-4. Refueling Opening the fuel tank cap..... 200
4-5. Using the driving support sys- tems
Lexus Safety System + A........ 202
Lexus Safety System + 2.0 .... 209
PCS (Pre-Collision System) (vehi- cles with Lexus Safety System +
A) ................................................... 215
PCS (Pre-Collision System) (vehi- cles with Lexus Safety System +
2.0)............................................... 227FCTA (Front Cross Traffic Alert)
....................................................... 235
LTA (Lane Tracing Assist) .... 238
RSA (Road Sign Assist)........... 251
Dynamic radar cruise control with full-speed range...................... 254
BSM (Blind Spot Monitor) .... 264
PKSA (Parking Support Alert) ......................................................... 271
Intuitive parking assist .............. 272
RCTA (Rear Cross Traffic Alert) function....................................... 277
RCD (Rear Camera Detection) function........................................ 281
PKSB (Parking Support Brake) ....................................................... 284
Parking Support Brake function (static objects) ......................... 288
Parking Support Brake function (rear-crossing vehicles) ...... 293
Parking Support Brake function (rear pedestrians) .................. 296
Driving mode select switch .. 299
Electronically modulated air sus- pension ........................................ 301
Driving assist systems.............. 304
4-6. Driving tips Winter driving tips .................... 309

2024-5. Using the driving support systems
4-5.Using the driving support systems
*:If equipped
■PCS (Pre-Collision System) (vehi-
cles with Lexus Safety System + A)
 P.215
■FCTA (Front Cross Traffic Alert)
 P.235
■LTA (Lane Tracing Assist)
 P.238
■AHB (Automatic High Beam)
 P.193
■RSA (Road Sign Assist)*
*:If equipped
P.251
■Dynamic radar cruise control with
full-speed range
 P.254 Four types of sensors, located behind
the front grille, front bumper, rear
bumper and windshield, detect infor-
mation necessary to operate the drive
assist systems.
Front
Front radar sensor
Front side radar sensors
Front camera
Rear
Rear side radar sensors ( P.264)
Lexus Safety System + A*
The Lexus Safety System + A con-
sists of the following drive assist sys-
tems and contributes to a safe and
comfortable driving experience:
Drive assist system
WARNING
■Lexus Safety System + A
The Lexus Safety System + A is designed
to operate under the assumption that the
driver will drive safely , and is designed to
help reduce the impact to the occupants
and the vehicle in the case of a collision
or assist the driver in normal driving con-
ditions.
As there is a limit to the degree of recog-
nition accuracy and control performance
that this system can provide, do not
overly rely on this system. The driver is
always responsible for paying attention
to the vehicle’s surroundings and driving
safely.
Sensors
A
B
C

2094-5. Using the driving support systems
4
Driving
*:If equipped
■PCS (Pre-Collision System) (vehi-
cles with Lexus Safety System +
2.0)
 P.227
■LTA (Lane Tracing Assist)
 P.238
■AHB (Automatic High Beam)
 P.193
■RSA (Road Sign Assist)*
P.251
*:If equipped
■Dynamic radar cruise control with
full-speed range
 P.254 Two types of sensors, located behind
the front grille and windshield, detect
information necessary to operate the
drive assist systems.
Radar sensor
Front camera
Lexus Safety System + 2.0*
The Lexus Safety System + 2.0 con-
sists of the following drive assist sys-
tems and contributes to a safe and
comfortable driving experience:
Driving assist system
WARNING
■Lexus Safety System + 2.0
The Lexus Safety System + 2.0 is
designed to operate under the assump-
tion that the driver will drive safely, and is
designed to help reduce the impact to
the occupants and the vehicle in the case
of a collision or assist the driver in normal
driving conditions.
As there is a limit to the degree of recog-
nition accuracy and control performance
that this system can provide, do not
overly rely on this system. The driver is
always responsible for paying attention
to the vehicle’s surroundings and driving
safely.
Sensors
WARNING
■To avoid malfunction of the radar sen-
sor
Observe the following precautions.
Otherwise, the radar sensor may not
operate properly, possibly leading to an
accident resulting in death or serious
injury.
A
B

2264-5. Using the driving support systems
emerge from behind a vehicle or large
object
• Pedestrians and bicyclists which are
extremely close to the side of the vehicle
(outside rear view mirror, etc.)
• When driving in a tr affic lane separated
by more than one lane where oncoming
vehicles are driving while making a
right/left turn
• When largely out of place with the oppo- site facing targeted oncoming vehicle
during a right/left turn
• While making a right/left turn, when a pedestrian approaches from behind or
side of your vehicle
●In some situations, such as the following,
the sensors may not detect the lane lines
or a safe space the vehicle can be steered
into, preventing the ac tive steering assist
from operating properly:
• When the white (yellow) lane lines are difficult to see, such as when they are
faint, diverging/merging, or a shadow is
cast upon them
• When the lane is more wide or narrow
than normal
• When there is a light and dark pattern on the road surface, such as due to road
repairs
• If the system determines that a collision can be avoided by only using the brakes
• When a pedestrian is detected near the
centerline of the vehicle
●In some situations such as the following, sufficient braking forc
e or steering force
may not be obtained, preventing the sys-
tem from performing properly:
• If the braking functions cannot operate to their full extent, such as when the brake
parts are extremely cold, extremely hot,
or wet
• If the vehicle is not properly maintained (brakes or tires are excessively worn,
improper tire inflation pressure, etc.)
• When the vehicle is being driven on a gravel road or other slippery surface
• If there are deep ruts in the road
• When driving on a slope
• When driving on a horizontally slanted road
●Some guardrails, such as the following,
may not be detected by the sensors, pre-
venting the system from operating prop-
erly:
• Guardrails which are less than approxi- mately 1.9 ft. (60 cm) tall
• Short guardrails
• Irregularly-shaped gu ardrails (wire cable
guardrails, guardrails made of thin poles,
etc.)
• Guardrails which are not illuminated by the headlights at nigh t, in a tunnel, etc.
• Guardrails which appear to be nearly the
same color or brightness as their sur-
roundings
• Guardrails which appear to be nearly the
same shape as their surroundings (walls,
etc.)
• Guardrails which are over a metal object
(manhole cover, steel plate, etc.)
• Guardrails which are hidden behind thick grass
• Guardrails which are extremely close to the side of the vehicle (outside rear view
mirror, etc.)
• Curved guardrails or guardrails at the entrance of a curve
●In some situations su ch as the following,
the system may detect a pedestrian and
display a warning on the head-up display,
even though no pedestrian exists:
• If the front of the vehicle is raised or low- ered, such as when the road surface is
uneven or undulating (due to ruts, etc.)
• When driving on a slope
• When driving on a horizontally slanted road

2314-5. Using the driving support systems
4
Driving
●Pre-collision brake assist
●Pre-collision braking
The system may not operate in the following situations:
●If a battery terminal has been disconnected and reconnected and then the vehicle has not
been driven for a certain amount of time
●If the shift position is in R
●When the VSC OFF indicator is illuminated (only the pre-collision warning function will
be operational)
■Object detection function
The system detects ob jects based on their
size, profile, motion, etc. However, an object
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.233)
The illustration shows an image of detect-
able objects.
■Cancelation of the pre-collision braking
If either of the following 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 detectable object, etc.
• When changing lanes while overtaking a detectable object, etc.
• When approaching a detectable object in an adjacent lane or on the roadside,
such as when changing the course of
travel or driving on a winding road
Detectable objectsVehicle speedRelative speed between your
vehicle and object
VehiclesApprox. 20 to 110 mph (30
to 180 km/h)Approx. 20 to 110 mph (30
to 180 km/h)
Bicyclists and pedestriansApprox. 20 to 50 mph (30
to 80 km/h)Approx. 20 to 50 mph (30
to 80 km/h)
Detectable objectsVehicle speedRelative speed between your vehicle and object
VehiclesApprox. 7 to 110 mph (10 to
180 km/h)Approx. 7 to 110 mph (10 to
180 km/h)
Bicyclists and pedestriansApprox. 7 to 50 mph (10 to
80 km/h)Approx. 7 to 50 mph (10 to
80 km/h)

2384-5. Using the driving support systems
■If the PCS warning light illuminates and
a message is displayed on the
multi-information display
The system may be temporarily unavailable
or may be malfunctioning.
While driving on a road with clear
white (yellow) lane lines, the LTA sys-
tem warns the driver if the vehicle may
deviate from the current lane or
course
*, and also can slightly operate
the steering wheel to help avoid devia-
tion from the lane or course
*. Also,
while the dynamic radar cruise control
with full-speed range is operating, this
system will operate the steering wheel
to maintain the vehicle’s lane position
and when changing lanes (vehicles
with Lexus Safety System + A).
The LTA system recognizes white (yel-
low) lane lines or a course
* using the
front camera. Additionally, it detects
preceding and surrounding vehicles
(vehicles with Lexus Safety System +
A) using the front camera and radar.
*: Boundary between asphalt and the side of the road, such as grass, soil, or a curb
LTA (Lane Tracing Assist)
Summary of function