lane assist LEXUS LS500 2019 Owner's Manual

2554-5. Using the driving support systems
LS500_OM_(U)_1810 4
Driving ations:
• When the sensor is misaligned due to a
strong impact to the sensor or its sur-
rounding area
• When the distance between your vehicle
and a guardrail, wall, etc. that enters the
detection area is short
• When driving up an d down consecutive
steep inclines, such as hills, dips in the
road, etc.
• When vehicle lanes are narrow, or when
driving on the edge of a lane, and a vehi-
cle traveling in a lane other than the adja-
cent lanes enters the detection area
• When driving on roads with sharp bends,
consecutive curves, or uneven surfaces
• When the tires are slipping or spinning
• When the distance between your vehicle
and a following vehicle is short
• When an accessory (such as a bicycle
carrier) is installed to the rear of the vehi-
cle *
: If equipped
■
Intuitive parking assist (if
equipped)
Ultrasonic sensors are used to detect
static objects in the detection area
when driving at a low speed or backing
up. (  P.257) ■
RCTA (Rear Cross Traffic Alert)
function (if equipped)
Radar sensors are used to detect
approaching vehicles in the detection
areas behind the vehicle when backing
up. (  P.263) ■
RCD (Rear camera detection)
function (if equipped)
A rear camera sensor is used to detect
pedestrians in the detection area
behind the vehicle when backing up.
(  P.267)PKSA (Parking Support
Alert) *
The Parking Support Alert system
consists of the following functions
that operate when driving at a low
speed or backing up, such as when
parking. When the system deter-
mines that a collision with a
detected object, such as a wall, or
pedestrian is high, a warning oper-
ates to urge the driver to take eva-
sive action.
PKSA (Parking Support Alert)
system

298 4-5. Using the driving support systems
LS500_OM_(U)_1810 (10 km/h) or more and the airbag sensor
detects a collision. (The Secondary Colli-
sion Brake will not operate when the vehicle
speed is below approximately 6 mph [10
km/h].) ■
Secondary Collision Brake automatic
cancellation
The Secondary Collision Brake is automati-
cally canceled in the following situations: ●
The vehicle speed drops below approxi-
mately 6 mph (10 km/h)●
A certain amount of time elapses during
operation●
The accelerator pedal is depressed a
large amount■
When “Check VGRS System” or
“CHECK DRS” is displayed on the
multi-information display
The VGRS or DRS may not operate prop-
erly. Have the vehicle inspected by your
Lexus dealer.
WARNING■
The ABS does not operate effectively
when●
The limits of tire gripping performance
have been exceeded (such as exces-
sively worn tires on a snow covered
road).
●
The vehicle hydroplanes while driving
at high speed on wet or slick roads.
■
Stopping distance when the ABS is
operating may exceed that of normal
conditions
The ABS is not designed to shorten the
vehicle’s stopping di stance. Always main-
tain a safe distance from the vehicle in
front of you, especially in the following
situations:
●
When driving on dirt, gravel or
snow-covered roads
●
When driving with tire chains
●
When driving over bumps in the road ●
When driving over roads with potholes
or uneven surfaces ■
TRAC/VSC may not operate effec-
tively when
Directional control and power may not
be achievable while driving on slippery
road surfaces, even if the TRAC/VSC
system is operating. Drive the vehicle
carefully in conditions where stability and
power may be lost. ■
Hill-start assist control does not oper-
ate effectively when ●
Do not overly rely on hill-start assist
control. Hill-start assist control may
not operate effectively on steep
inclines and roads covered with ice. ●
Unlike the parking brake, hill-start
assist control is not intended to hold
the vehicle stationary for an extended
period of time. Do not attempt to use
hill-start assist control to hold the vehi-
cle on an incline, as doing so may lead
to an accident. ■
When the TRAC/VSC is activated
(vehicles without Lexus Safety Sys-
tem + A)
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/ABS/VSC is acti-
vated (vehicles with Lexus Safety Sys-
tem + A)
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 speed
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.

300 4-6. Driving tips
LS500_OM_(U)_1810 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.

4197-2. Steps to take in an emergency
LS500_OM_(U)_1810 7
When trouble arises ■
Rear passengers’ seat belt reminder lights *1
(warning buzzer) *2
*1
: This light illuminates on the center panel. *2
: Rear passengers’ seat belt warning buzzer:
The rear passengers’ seat belt warning buzzer sounds to alert the rear passengers that his
or her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a speed of 12
mph (20 km/h). If the seat belt is still unfastened after 24 seconds, the buzzer will sound
intermittently for 6 seconds. Th en, if the seat belt is still un fastened, the buzzer will sound in
a different tone for 30 more seconds. ■
Tire pressure warning light
■
LTA indicator (warning buzzer) Warning light Details/Actions
Warns the rear passengers to fasten their seat belts
 Fasten the seat belt.
Warning light Details/Actions
When the light comes on after blinking for approximately 1 minute:
Malfunction in the tire pressure warning system
 Have the system checked by your Lexus dealer.
When the light comes on:
Low tire inflation pressure such as
 Natural causes
 Flat tire
 Immediately stop the vehicle in a safe place.
Handling method (  P.423)
Warning light Details/Actions
(orange)
Indicates a malfunction in th e LTA (Lane Tracing Assist)
 Follow the instructions displayed on the multi-information display.
(  P.237)

428 7-2. Steps to take in an emergency
LS500_OM_(U)_1810 becomes available again. ■
If “Front Camera Unavailable” or “Front
Camera Unavailable See Owner's
Manual” is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. (  P.196, 202, 421)●
PCS (Pre-Collision system)●
LTA (Lane Tracing Assist)●
Dynamic radar cruise control with
full-speed range●
RSA (Road Sign Assist) (if equipped)●
AHB (Automatic High Beam)■
If “Maintenance Required Soon” is dis-
played
Indicates that all maintenance according to
the driven distance on the maintenance
schedule *
should be performed soon.
Comes on approximately 4500 miles
(7200 km) after the message has been
reset. If necessary, perform maintenance.
Please reset the message after the mainte-
nance is performed. (  P.364)*
: Refer to the separa te “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.■
If “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all maintenance is required to
correspond to the driven distance on the
maintenance schedule *
.
Comes on approximately 5000 miles
(8000 km) after the message has been
reset. (The indicator will not work properly
unless the message ha s been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. (  P.364)*
: Refer to the separa te “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle. ■
If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.
Check the engine oil an d change it if neces-
sary. After changing th e engine oil, make
sure to reset the message. (  P.377)■
If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the en gine oil, and oil fil-
ter by your Lexus dealer. After changing the
engine oil, make sure to reset the message.
(  P.377) ■
If “Shift System Malfunction Driving
Unavailable” is displayed
There is a malfunction in the shift control
system. Have the vehicle inspected by your
Lexus dealer immediately. ■
If a message that indicates the need for
the shift lever operation is displayed
To prevent the shift le ver from being oper-
ated incorrectly or the vehicle from moving
unexpectedly, a message that requires shift-
ing the shift position may be displayed on
the multi-information display. In that case,
follow the instruction of the message and
shift the shift position. ■
If a message that indicates the need for
visiting your Lexus dealer is displayed
The system or part shown on the
multi-information display is malfunctioning.
Have the vehicle inspected by your Lexus
dealer immediately.
■
If a message that indicates the need for
referring to Owner’ s Manual is dis-
played
●
If any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” (  P.440)
•“Battery Low” (  P.435)
• “Transmission Fluid Temp High” (  P.168)
●
If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malf unction. Have the
vehicle inspected by your Lexus dealer

474 8-2. Customization
LS500_OM_(U)_1810 *1
:Except for Canada *2
: If equipped■
PCS (Pre-Collision System) and FC TA (Front Cross Traffic Alert) *
(  P.204,
215, 222) *
:If equipped ■
LTA (Lane Tracing Assist) (vehicles with Lexus Safety System + A) (  P.225)
■
LTA (Lane Tracing Assist) (vehicles with Lexus Safety System + 2.0)
(  P.225) Function Default setting Customized set-
ting
PCS (Pre-Collision System)
and FCTA function On Off — O — —
Adjust alert timing Middle Far
— O — —
Near
Pedestrian alert *
and FCTA
function On Off — O — —
Function Default setting Customized set-
ting
Lane centering function On Off — O — —
Steering assist function On Off — O — —
Lane change assist function On Off — O — —
Alert type Steering wheel
vibration Buzzer — O — —
Alert sensitivity High Standard — O — —
Vehicle sway warning func-
tion On Off — O — —
Vehicle sway warning sensi-
tivity Standard High
— O — —
Low
Function Default setting Customized set-
ting
Lane centering function On Off — O — —
Steering assist function On Off — O — — A B C D
A B C D
A B C D

4991-1. What to do if... (Troubleshooting)
LS500_OM_(U)_1810 499Alphabetical Index
Display
Center Display............................................306
Dynamic radar cruise control with
full-speed range ...................................... 237
Head-up display ........................................... 87
Intuitive parking assist.............................. 257
LTA (Lane Tracing Assist)...................... 231
Multi-information display ..........................80
Parking Support Brake function (rear
pedestrians) ..............................................286
RCD (Rear Camera Detection) ........ 267
RCTA .............................................................. 263
Warning message..................................... 425
Distance until next engine oil
change ......................................................74, 79
Do-it-yourself maintenance .................... 365
Door courtesy lights .....................................331
Door lock
Doors................................................................ 100
Smart access system with push-button
start ..................................................................... 111
Wireless remote control........................... 98
Doors
Automatic door lock ing and unlocking
system ........................................................... 104
Door closer ................................................... 103
Door glasses .................................................. 142
Door lock........................................................ 100
Open door warning bu zzer ........ 101, 103
Outside rear view mirrors ..................... 140
Rear door child-protectors ................... 103
Drive distance .................................................. 82
Drive info 1/Drive info 2 .............................. 82
Driver’s seat position memory
Driving position memory........................ 130
Memory recall function ............................133
Power easy access system .................... 130
Drive-start control ....................................... 155
Driving
Break-in tips .................................................. 155
Correct driving posture .............................23
Driving mode select switch ..................289 Procedures .................................................... 154
Winter drive tips ........................................ 300
Driving information disp lay ........................ 82
Driving position memory........................... 130
Memory recall function............................ 133
Power easy access system .................... 130
Driving range ................................................... 82
Driving support system information display
............................................................................. 85
DRS (Dynamic Rear Steering) .............. 295
Dynamic radar cruise control with
full-speed range ............................. 237, 247
Warning message .....................................245
Dynamic Rear Steering (DRS) .............. 295
E
ECB (Electronically Controlled Brake Sys-
tem) ................................................................ 294
Eco Driving Indicator............................. 83, 91
Eco Driving Indicator Light ........................ 83
EDR (Event data recorder) ............................7
Elapsed time ..................................................... 82
Electric Power Steering (EPS) .............. 295
Warning light ................................................ 418
Electronic key .................................................. 96
Battery-saving function.............................. 112
If the electronic key does not operate
properly .......................................................433
Replacing the battery .............................. 399
Electronic roof sunshade
Jam protection function ........................... 149
Operation ........................................................147
Electronically Controlled Brake System
(ECB) ............................................................ 294
Electronically modulated air suspension
............................................................................291
Emergency flashers .................................... 406
Emergency, in case of
If a warning buzzer sounds.................... 415
If a warning light turns on........................ 415
If a warning message is displayed .....425
If the battery is discharged ....................435

502 Alphabetical Index
LS500_OM_(U)_1810 Initialization
Items to initialize .......................................... 481
Maintenance .................................... 364, 377
Power windows............................................ 142
Tire pressure warning system ............ 388
Inside door handle lights ............................331
Inside rear view mirror ................................139
Instrument panel light control ........... 75, 79
Intercooler...................................................... 378
Intercooler coolant
Capacity ......................................................... 449
Checking ........................................................377
Interior lights....................................................331
Front interior light ........................................331
Rear interior light .........................................331
Intuitive parking assist..................... 255, 257
Function .......................................................... 257
Warning message..................................... 259
J
Jack
Positioning a floor jack.............................. 371
Jam protection function
Electronic roof sunshade.........................149
Moon roof .......................................................145
Panoramic moon roof...............................149
Power trunk opener and closer .......... 109
Power windows............................................ 142
Rear door sunshade ................................ 347
K
Keyless entry
Smart access system with push-button
start ..................................................................... 111
Wireless remote control........................... 98
Keys
Battery-saving function ..............................112
Electronic key ................................................. 96
Engine switch.................................................164
If the electronic key does not operate
properly....................................................... 433 If you lose your keys ................................. 432
Key number plate .........................................96
Keyless entry .......................................... 100, 111
Mechanical key .............................................. 96
Replacing the battery .............................. 399
Warning buzzer ............................................ 112
Wireless remote control ...........................98
Knee airbags .................................................... 29 L
Lane change assist function .................... 225
Lane Tracing Assist (LTA)
Operation ...................................................... 225
Warning messages................................... 237
Language (multi-information display) ... 85
LATCH anchors ............................................. 53
LDH (Lexus Dynamic Handling system)
.......................................................................... 295
Lever
Auxiliary catch lever ...................................371
Hood lock release lever ...........................371
Internal trunk release lever..................... 109
Shift lever ..........................................................167
Turn signal lever ...........................................173
Wiper lever .................................................... 184
Lexus climate concierge ............................. 311
Lexus Dynamic Handling system (LDH)
.......................................................................... 295
Lexus Enform Safety Connect.................. 58
Lexus Safety System + 2.0
Automatic High Beam ............................. 182
Dynamic radar cruise control with
full-speed range ...................................... 237
LTA(Lane Tracing Assist) ..................... 225
PCS (Pre-Collision System) ................. 215
RSA (Road Sign Assist).......................... 247
Lexus Safety System + A ............................. 191
Automatic High Beam ............................. 182
Dynamic radar cruise control with
full-speed range .......................... 237, 247
FCTA (Front Cross Traffic Alert)...... 222
LTA (Lane Tracing Assist) .................... 225

5031-1. What to do if... (Troubleshooting)
LS500_OM_(U)_1810 503Alphabetical Index
PCS (Pre-Collision System)................ 204
RSA (Road Sign Assist) ......................... 247
License plate lights
Light switch ..................................................... 179
Replacing light bulbs................................404
Light bulbs
Replacing .......................................................404
Lights
Automatic High Beam system..............182
Front interior lights .................................... 332
Front personal lights................................. 333
Headlight switch .......................................... 179
Interior lights...................................................331
Interior lights list............................................331
Rear interior lights ..................................... 332
Rear personal lights.................................. 333
Replacing light bulbs................................404
Trunk lid light................................................. 108
Trunk light....................................................... 108
Turn signal lever ........................................... 173
Vanity lights .................................................. 347
Welcome light illumination control ... 180
Lock steering column ..................................164
LTA (Lane Tracing Assist)
Operation...................................................... 225
Warning messages .................................. 237
Luggage mats ............................................... 340
M
Maintenance
Do-it-yourself maintenance .................369
General maintenance .............................365
Maintenance data...................................... 446
Maintenance requirements .................. 364
Malfunction indicator lamp .......................416
Master warning light .................................. 422
Menu icons..........................................................81
Meter
Changing the main meter location .....80
Clock .......................................................... 73, 76
Indicators .......................................................... 70
Instrument panel light control ........75, 79 Meter control switches ............................... 81
Meters.........................................................73, 76
Multi-information display ......................... 80
Settings...............................................................85
Units.....................................................................84
Warning lights .............................................. 415
Warning message .....................................425
Micro dust and pollen filter .......................319
Mirrors
Inside rear view mirror ............................. 139
Outside rear view mirror defoggers
............................................................................314
Outside rear view mirrors...................... 140
Vanity mirrors .............................................. 347
Moon roof
Door lock linked moon roof operation
................................................................. 145, 149
Jam protection function ........................... 145
Operation ....................................................... 145
Multi-information display ............................ 80
Audio system-linked display ...................85
Boost gauge ....................................................83
Drive information 1/Drive information 2
............................................................................. 82
Driving information display ...................... 82
Driving support system information dis-
play....................................................................85
Dynamic radar cruise control with
full-speed range ...................................... 237
Eco Driving Indicator..................................83
Gear Position .................................................84
G-force ..............................................................84
LTA (Lane Tracing Assist) ......................231
Menu icons ....................................................... 81
Meter control switches ............................... 81
Navigation system-linked display ........84
Pop-up display .............................................. 80
Settings...............................................................85
Suggestion function .....................................86
Tire pressure ............................................... 384
Units.....................................................................84
Warning message .....................................425

506 Alphabetical Index
LS500_OM_(U)_1810 Seat ventilators ............................................. 326
Seating capacity............................................. 162
Seats
Adjustment............................................. 119, 126
Adjustment precautions ............................ 119
Child seats/child restraint system installa-
tion .................................................................... 45
Cleaning...........................................................361
Driving position memory........................ 130
Front seat refresh system......................... 124
Head restraints .............................................135
Power easy access system .................... 130
Properly sitting in the seat .........................23
Rear seat relaxation system.................... 129
Seat heaters .................................................. 326
Seat position memory .................... 130, 134
Seat ventilators............................................ 326
Secondary Collision Brake ..................... 294
Sensor
Automatic headlight system................... 179
Automatic High Beam system..............182
Inside rear view mirror..............................139
Intuitive parking assist.............................. 257
LTA (Lane Tracing Assist).................... 225
Parking Support Brake function
(rear-crossing vehicles)...................... 282
Parking Support Brake function (static
objects).........................................................277
Radar sensor.............................. 191, 198, 251
Rain-sensing windshield wipers.......... 185
RCTA .............................................................. 264
Service reminder message ..................... 364
Shift lever
Automatic transmission ............................ 167
Shift lever light ................................................331
Shopping bag hooks .................................. 340
Side airbags ...................................................... 29
Side marker lights
Light switch ..................................................... 179
Replacing light bulbs................................404
Side mirrors
Adjustment..................................................... 140 BSM (Blind Sport Monitor)................. 250
Folding................................................................ 141
Linked mirror functi on when reversing
........................................................................... 140
Mirror position memory .......................... 130
RCTA function ............................................263
Side turn signal lights
Replacing light bulbs ............................... 404
Turn signal lever ...........................................173
Side windows .................................................. 142
Smart access system with push-button
start
Antenna location ............................................. 111
Entry functions .............................................. 100
Starting the engine ..................................... 164
Snow mode ....................................................... 171
Snow tires .......................................................300
Spark plug ...................................................... 449
Specifications ................................................ 446
Speedometer ............................................73, 76
Steering lock
Column lock release ................................. 164
Steering lock system warning message
........................................................................... 164
Steering wheel
Adjustment ..................................................... 138
Heated steering wheel ............................326
Meter control switches ............................... 81
Power easy access system .................... 130
Steering wheel position memory........ 130
Stop lights
Replacing light bulbs ............................... 404
Storage features .......................................... 335
Stuck
If the vehicle becomes stuck ................ 443
Suggestion function....................................... 86
Sun visors ........................................................ 346
Sunshade
Roof.................................................................... 145
Switches
Activating the Automatic High Beam182
Automatic High Beam system ............. 182