2021 LEXUS RCF high beam

1534-5. Using the driving support systems
4
Driving
4-5.Using the driving support systems
■PCS (Pre-Collision System)
 P.157
■LDA (Lane Departure Alert with
steering control)
 P.164
■AHB (Automatic High Beam)
 P.140
■Dynamic radar cruise control
 P.171
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 +
The Lexus Safety Sy stem + consists
of the following drive assist systems
and contributes to a safe and com-
fortable driving experience:
Driving assist system
WARNING
■Lexus Safety System +
The Lexus Safety System + 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 surro undings 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.
●Keep the radar sensor and the radar
sensor cover clean at all times.
Radar sensor
Radar sensor cover
If the front of the rada r sensor or the front
or back of the radar sensor cover is dirty
or covered with water droplets, snow,
etc., clean it.
Clean the radar sensor and radar sensor
cover with a soft cloth to avoid damaging
them.
A
B
A
B

3127-2. Steps to take in an emergency
power off function. Next time when starting
the engine, increase the engine speed
slightly and maintain that level for approxi-
mately 5 minutes to recharge the battery.
■If “Headlight System Malfunction Visit
Your Dealer” is displayed
The following systems may be malfunction-
ing. Have the vehicle inspected by your
Lexus dealer immediately.
●The LED headlight system
●The automatic headlight leveling system
●Automatic High Beam
■If “Radar Cruise Control Unavailable” is
displayed
The dynamic radar cruise control system
cannot be used temporar ily. Use the system
when it becomes available again.
■If a message that indicates the malfunc-
tion of front camera is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.155, 305)
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert with steering
control)
●Dynamic radar cruise control
●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.257)
*: 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.257)
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the main tenance interval
applicable to your vehicle.
■If “Active Rear Wing Off Go to Settings
to turn On” is displayed
The active rear wing switch was pressed
when the active rear wing
* was disabled.
Enable the active rear wing before pressing
the active rear wing switch. ( P.195)
*: If equipped
■If “TVD System Overheated Reduce
Engine Speed and Load” is displayed
The TVD system
* has overheated, this mes-
sage may be displayed when driving under
high load conditions, such as the following:
●When driving at high speeds or through
sharp turns continuously
●When either rear tire has lost traction
and spun continuously
Drive the vehicle for a while, while avoiding
high load conditions.
*: If equipped
■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 “See Owner’s Manual” is displayed
●If the following messages are shown, fol-
lowing the instruct ions, accordingly.
• “Engine Coolant Temp High” ( P.337)
• “Transmission Fluid Temp High” ( P.132)
●If any of the following messages are
shown on the multi-information display, it
may indicate a malfunction. Have the

393Alphabetical Index
Alphabetical Index
A
A/CAir conditioning filter ............................... 282
Automatic air conditioning system ..... 213
Micro dust and pollen filter..................... 217
ABS (Anti-lock Brake System)................199 ABS warning light .....................................303
Active rear wing.............................................195
Adaptive Variable Suspension System200
Air conditioning filter ................................. 282
Air conditioning system Air conditioning filter ............................... 282
Automatic air conditioning system ..... 213
Micro dust and pollen filter..................... 217
Airbags Airbag operating conditions................... 30
Airbag precautions for your child .........32
Correct driving posture .............................23
Curtain shield airbag operating condi-tions .................................................................. 30
Curtain shield airbag precautions ........32
Front passenger occupant classification system ............................................................. 36
General airbag precautions ....................32
Locations of airbags.................................... 28
Modification and disposal of airbags . 35
Side airbag operating conditions ......... 30
Side airbag precautions .............................32
Side and curtain shield airbags operating conditions...................................................... 30
Side and curtain shield airbags precau- tions ...................................................................32
SRS airbags ..................................................... 28
SRS warning light ......................................303
Alarm ................................................................... 58 Warning buzzer ......................................... 302
Anchor brackets ...................................... 43, 51
Antennas (smart access system with push-button start)........................................ 98
Anti-lock Brake System (ABS)................199 ABS warning light .....................................303 Approach warning........................................ 176
Armrest............................................................ 228
Assist grips ..................................................... 229
Audio system-linked display ........................81
Automatic air conditioning system ........213
Automatic headlight leveling system ....139
Automatic headlight leveling system warning light............................................. 306
Automatic High Beam ............................... 140
Automatic light control system............... 138
Automatic transmission ..............................132 M mode ........................................................... 135
Paddle shift switches ....................... 134, 135
Average fuel economy................................. 75
Average vehicle speed ................................ 75
B
Back-up light Replacing light bulbs ............................... 289
Battery Battery checking .......................................... 271
Charging system warning light...........302
If the battery is discharged ....................334
Preparing and checking before winter..........................................................................204
Blind Spot Monitor (BSM)......................... 179
Brake Brake system warning light ..................302
Fluid...................................................................346
Parking brake ................................................137
Brake assist ......................................................199
Break-in tips...................................................... 119
Brightness control Instrument panel light control................. 73
BSM (Blind Spot Monitor)......................... 179
C
Card key ............................................................ 88
Care Exterior................................... 240, 248, 252
Interior .............................................................245

396Alphabetical Index
Preparing and checking before winter......................................................................... 204
Engine coolant temperature gauge ....... 66
Engine immobilizer system .........................57
Engine oil Capacity ......................................................... 343
Checking ....................................................... 267
Low engine oil pressure warning light.........................................................................303
Preparing and checking before winter ......................................................................... 204
Engine switch ..................................................128 Auto power off function ............................ 131
Changing the engine switch modes. 130
If your vehicle has to be stopped in an
emergency ................................................ 294
EPS (Electric Power Steering) ..............200 Electric power steer ing system warning
light ................................................................304
Event data recorder (EDR) ............................7
F
First-aid kit storage belt .............................227
Flat tire Tire pressure warning system ............. 275
Vehicles with a spare tire ........................313
Vehicles without a spare tire .................319
Floor mats ...........................................................22
Fluid Automatic transmission .......................... 345
Brake.................................................... 270, 346
Washer ............................................................272
Footwell light ................................................. 223
Front passenger occupant classification system .............................................................. 36
Front seats Adjustment..................................................... 103
Cleaning......................................................... 245
Correct driving posture .............................23
Driving position memory........................ 105
Memory recall function ........................... 106
Power easy access system .................... 105 Seat heaters .................................................... 221
Seat position memory .............................. 105
Seat ventilators .............................................. 221
Front side marker light Light switch .................................................... 138
Front turn signal lights Replacing light bulbs ............................... 289
Turn signal lever .......................................... 136
Fuel Capacity .........................................................343
Fuel gauge ........................................................ 66
Fuel pump shut off system...................... 301
Information ....................................................349
Low fuel level warning light ................. 306
Refueling.......................................................... 150
Type ..................................................................343
Fuel consumption Average fuel economy .............................. 75
Current fuel consumption ........................ 75
Fuel filler door If the fuel filler do or cannot be opened
........................................................................... 331
Refueling.......................................................... 150
Fuel gauge ......................................................... 66
Fuel pump shut off system......................... 301
Fuses ................................................................. 285
G
Garage door opener ...................................231
Gauges ............................................................... 66
Gear Position ....................................................76
G-force................................................................79
Glove box ....................................................... 226
Glove box light ............................................. 226
H
Headlight aim ................................................ 287
Headlights Automatic High Beam system ............. 140
Light switch .................................................... 138
Replacing light bulbs ............................... 289

398Alphabetical Index
Launch control................................................194
LDA (Lane Departure Alert with steering control)Operation........................................................164
Warning message.......................................169
LDA (Lane Departure Alert with steering control) switch .............................................166
Lever Auxiliary catch lever ................................. 264
Hood lock release lever......................... 264
Shift lever.......................................................... 132
Turn signal lever ...........................................136
Wiper lever.....................................................143
Lexus Enform Safety Connect.................. 53
Lexus Safety System + Automatic High Beam ............................. 140
Dynamic radar cruise control .................171
LDA (Lane Departure Alert with steering control) ..........................................................164
PCS (Pre-Collision System).................. 157
License plate lights Light switch .................................................... 138
Replacing light bulbs................................289
Light bulbs Replacing .......................................................288
Lights Automatic High Beam system............. 140
Front interior lights .................................... 223
Headlight switch ......................................... 138
Interior lights................................................. 223
Interior lights list.......................................... 223
Personal lights ............................................. 224
Rear interior lights ..................................... 223
Replacing light bulbs................................289
Trunk light......................................................... 97
Turn signal lever ...........................................136
Vanity lights .................................................. 230
Wattage..........................................................348
Lock steering column ..................................128M
Maintenance Do-it-yourself maintenance ................. 262
General maintenance ............................ 258
Maintenance date ...................................... 342
Maintenance requirements .................. 257
Malfunction indicator la mp ..................... 303
Master warning light .................................. 307
Matte paint care guide ....... 248, 252, 254
Menu icons.........................................................74
Meter Changing the display.................................... 71
Indicators........................................................... 63
Instrument panel light control................. 73
Meter control switches .............................. 74
Meters................................................................. 66
Multi-information display .......................... 73
Settings................................................................ 81
Units..................................................................... 76
Warning lights .............................................302
Warning message ...................................... 310
Micro dust and pollen filter ....................... 217
Mirrors Inside rear view mirror ............................. 109
Outside rear view mirror defoggers . 217
Outside rear view mirrors........................ 110
Vanity mirrors ..............................................230
Moon roof Door lock linked moon roof operation............................................................................. 115
Jam protection function ............................. 115
Operation ......................................................... 114
Multi-information display .............................73 Audio system-linked display .................... 81
Drive information 1/Drive information 2/Drive information 3 ............................. 75
Drive information display .......................... 75
Driving support system information dis- play..................................................................... 81
Dynamic radar cruise control................. 171
Eco Driving Indicator.................................. 76

400Alphabetical Index
PCS warning light .................................... 305
R
Radar cruise control (dynamic radar cruise control) ............................................................ 171
Radiator ........................................................... 270
RCTA Function ............................................................ 179
Rear Cross Traffic Alert (RCTA) ........... 179
Rear passengers’ seat belt reminder lights .......................................................................... 307
Rear seats Seat heaters .................................................... 221
Seat ventilators.............................................. 221
Rear side marker lights Light switch .................................................... 138
Rear turn signal lights Replacing light bulbs................................289
Turn signal lever ...........................................136
Wattage..........................................................348
Rear view mirror Inside rear view mirror............................. 109
Outside rear view mirrors ....................... 110
Rear window defogger ............................... 217
Refueling Capacity ......................................................... 343
Fuel types....................................................... 343
If the fuel filler door cannot be opened...........................................................................331
Opening the fuel tank cap ..................... 150
Remote Touch ..............................................208
Replacing Electronic key battery.............................. 283
Fuses ................................................................285
Light bulbs.....................................................288
Tires ....................................................................313
Resetting the message indicating mainte- nance is required ...................................... 257
Rev indicator .................................................... 70
Rev peak............................................................... 71
S
Seat belt reminder light................. 306, 307
Seat belts............................................................ 24 Automatic Locking Retractor................. 26
Child restraint system installation ......... 43
Cleaning and maintaining the seat belt..........................................................................245
Driver’s and front passenger’s seat belt reminder light and buzzer ................ 306
Emergency Locking Retractor .............. 26
How to wear your seat belt ..................... 25
How your child should wear the seat belt ............................................................................. 25
Pregnant women, proper seat belt use ............................................................................. 24
Rear passengers’ seat belt reminder lights and buzzer ....................................307
Seat belt extender......................................... 25
Seat belt pretensioners .............................. 27
SRS warning light...................................... 303
Seat heaters ..................................................... 221
Seat position memory................................. 105
Seat ventilators ............................................... 221
Seating capacity.............................................126
Seats Adjustment ..................................................... 103
Child seats/child restraint system installa-tion .................................................................... 42
Cleaning .........................................................245
Driving position memory ........................ 105
Power easy access system .................... 105
Properly sitting in the seat ........................ 23
Seat heaters .................................................... 221
Seat position memory .............................. 105
Seat ventilators .............................................. 221
Sensor Automatic headlight system .................. 138
Automatic High Beam system ............. 140
Inside rear view mirror ............................... 110
LDA (Lane Departure Alert with steering control) ......................................................... 164

401Alphabetical Index
Radar sensor...................................... 153, 180
Rain-sensing windshield wipers.......... 148
Service reminder message ..................... 257
Shift lever Automatic transmission ............................ 132
Side airbags ...................................................... 28
Side marker lights Light switch .................................................... 138
Replacing light bulbs................................289
Side mirrors Adjustment....................................................... 110
BSM (Blind Spot Monitor) ..................... 179
Folding ................................................................. 111
Linked mirror function when reversing111
Mirror position memory.......................... 105
RCTA function .............................................. 179
Side turn signal lights Replacing light bulbs................................289
Turn signal lever ...........................................136
Side windows ................................................... 112
Slip indicator .................................................. 305
Smart access system with push-button startAntenna location........................................... 98
Entry functions................................................ 92
Starting the engine ......................................128
Snow tires ....................................................... 204
Spare tire...........................................................313 Storage location ........................................... 314
Spark plug ...................................................... 345
Specifications ................................................ 342
Speed indicator ............................................... 70
Speed meter Speed indicator ............................................. 70
Speedometer ................................................... 66
Steering lock Column lock release..................................128
Steering lock system warning message...........................................................................128
Steering wheel Adjustment..................................................... 108
Heated steering wheel.............................. 221 Meter control switches .............................. 74
Power easy access system .................... 105
Steering wheel position memory........ 105
Stop lights Replacing light bulbs ............................... 289
Storage features .......................................... 225
Stuck If the vehicle becomes stuck ................339
Sun visors ........................................................ 230
Sunshade Roof...................................................................... 115
Switches Activating the Automatic High Beam140
Active rear wing switch ........................... 195
Automatic High Beam system ............. 140
Door lock switches ...................................... 94
Driving mode select switch ....................192
Driving position memory switches .... 105
Emergency flashers switch ................... 294
Engine switch ................................................ 128
Garage door opener switches.............231
Heated steering wheel switch ............... 221
Ignition switch ............................................... 128
Instrument panel light control switches............................................................................. 73
Intuitive parking assist switch ................ 187
“LAUNCH” switch .................................... 194
Light switches ............................................... 138
Meter control switches .............................. 74
Moon roof switches..................................... 114
“ODO TRIP” switch .................................... 72
Outside rear view mirror switches ...... 110
Paddle shift switches ....................... 134, 135
PCS OFF switch ......................................... 159
Power door lock switch ............................ 94
Power window switches ........................... 112
Rear window and outside rear view mir- ror defoggers switch ..............................213
Seat heater switches................................... 221
Seat ventilator switches ............................ 221
“SOS” button................................................... 53