
1534-5. Using the driving support systems
RC F Owner's Manual
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 radar 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

3107-2. Steps to take in an emergency
RC F Owner's Manual
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 temporarily. 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, 303)
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert with steering
control)
●Dynamic radar cruise control
●Automatic High Beam
■If a message that indicates the malfunc-
tion of radar sensor is displayed
The following systems may be suspended
until the problem shown in the message is
resolved.P.155, 300
●PCS (Pre-Collision System)
■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.255)
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple- ment” for the main
tenance interval
applicable to your vehicle.
■If “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all mainte nance 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 has been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. ( P.255)
*: 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 displa y is malfunctioning.
Have the vehicle inspected by your Lexus
dealer immediately.

394Alphabetical Index
RC F Owner's Manual
Alphabetical Index
A
A/CAir conditioning filter ...............................280
Automatic air conditioning system .......211
Micro dust and pollen filter..................... 215
ABS (Anti-lock Brake System)................199 ABS warning light ...................................... 301
Active rear wing.............................................195
Adaptive Variable Suspension System 199
Air conditioning filter .................................280
Air conditioning system Air conditioning filter ...............................280
Automatic air conditioning system .......211
Micro dust and pollen filter..................... 215
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 occupa nt 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 ....................................... 301
Alarm ................................................................... 58 Warning buzzer........................................ 300
Anchor brackets ...................................... 43, 51
Antennas (smart access system with push-button start)........................................ 98
Anti-lock Brake System (ABS)................199 ABS warning light ...................................... 301 Approach warning........................................ 176
Armrest............................................................ 226
Assist grips ......................................................227
Audio system-linked display ........................81
Automatic air conditioning system ......... 211
Automatic headlight leveling system ....139
Automatic headlight leveling system warning light............................................. 304
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................................ 287
Battery Battery checking ........................................269
Charging system warning light.......... 300
If the battery is discharged .................... 332
Preparing and checking before winter..........................................................................203
Blind Spot Monitor (BSM)......................... 179
Brake Brake system warning light ................. 300
Fluid................................................................... 344
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......................................238, 247, 251
Interior ............................................................. 243

397Alphabetical Index
RC F Owner's Manual
Preparing and checking before winter......................................................................... 203
Engine coolant temperature gauge ....... 66
Engine immobilizer system .........................57
Engine oil Capacity ...........................................................341
Checking ....................................................... 265
Low engine oil pressure warning light.......................................................................... 301
Preparing and checking before winter ......................................................................... 203
Engine switch ..................................................128 Auto power off function ............................ 131
Changing the engine switch modes. 130
If your vehicle has to be stopped in an
emergency ................................................ 292
EPS (Electric Power Steering) ................199 Electric power steer ing system warning
light ................................................................ 302
Event data recorder (EDR) ........................... 8
F
First-aid kit storage belt ............................ 225
Flat tire Tire pressure warning system ............. 273
Vehicles with a spare tire ........................ 321
Vehicles without a spare tire .................. 311
Floor mats ...........................................................22
Fluid Automatic transmission .......................... 343
Brake....................................................268, 344
Washer ........................................................... 270
Footwell light ................................................... 221
Front passenger occupant classification system .............................................................. 36
Front seats Adjustment..................................................... 103
Cleaning......................................................... 243
Correct driving posture .............................23
Driving position memory........................ 105
Memory recall function ........................... 106
Power easy access system .................... 105 Seat heaters ....................................................219
Seat position memory .............................. 105
Seat ventilators ..............................................219
Front side marker light Light switch .................................................... 138
Front turn signal lights Replacing light bulbs................................ 287
Turn signal lever .......................................... 136
Fuel Capacity ...........................................................341
Fuel gauge........................................................ 66
Fuel pump shut off system.....................299
Information .................................................... 347
Low fuel level warning light ................. 304
Refueling.......................................................... 150
Type ....................................................................341
Fuel consumption Average fuel economy .............................. 75
Current fuel consumption ........................ 75
Fuel filler door If the fuel filler do or cannot be opened
..........................................................................329
Refueling.......................................................... 150
Fuel gauge ......................................................... 66
Fuel pump shut off system........................ 299
Fuses ................................................................. 283
G
Garage door opener ................................. 229
Gauges ............................................................... 66
Gear Position ....................................................76
G-force................................................................79
Glove box ....................................................... 224
Glove box light ............................................. 224
H
Headlight aim ................................................ 285
Headlights Automatic High Beam system ............. 140
Light switch .................................................... 138
Replacing light bulbs................................ 287

399Alphabetical Index
RC F Owner's Manual
Launch control................................................193
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 ................................. 262
Hood lock release lever......................... 262
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................................ 287
Light bulbs Replacing .......................................................286
Lights Automatic High Beam system............. 140
Front interior lights ...................................... 221
Headlight switch ......................................... 138
Interior lights................................................... 221
Interior lights list............................................ 221
Personal lights ..............................................222
Rear interior lights ....................................... 221
Replacing light bulbs................................ 287
Trunk light......................................................... 97
Turn signal lever ...........................................136
Vanity lights .................................................. 228
Wattage.......................................................... 346
Lock steering column ..................................128M
Maintenance Do-it-yourself maintenance ................ 260
General maintenance .............................256
Maintenance date..................................... 340
Maintenance requirements ..................255
Malfunction indicator lamp ...................... 301
Master warning light ..................................305
Matte paint care guide ......... 247, 251, 252
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 ............................................ 300
Warning message .................................... 308
Micro dust and pollen filter .......................215
Mirrors Inside rear view mirror ............................. 109
Outside rear view mirror defoggers 215
Outside rear view mirrors........................ 110
Vanity mirrors ..............................................228
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

401Alphabetical Index
RC F Owner's Manual
PCS warning light .....................................303
R
Radar cruise control (dynamic radar cruise control) ............................................................ 171
Radiator ........................................................... 268
RCTA Function ............................................................ 179
Rear Cross Traffic Alert (RCTA) ........... 179
Rear passengers’ seat belt reminder lights
..........................................................................305
Rear seats Seat heaters .................................................... 219
Seat ventilators.............................................. 219
Rear side marker lights Light switch .................................................... 138
Rear turn signal lights Replacing light bulbs................................ 287
Turn signal lever ...........................................136
Wattage.......................................................... 346
Rear view mirror Inside rear view mirror............................. 109
Outside rear view mirrors ....................... 110
Rear window defogger ...............................215
Refueling Capacity ...........................................................341
Fuel types.........................................................341
If the fuel filler door cannot be opened......................................................................... 329
Opening the fuel tank cap ..................... 150
Remote Touch .............................................. 206
Replacing Electronic key battery................................281
Fuses ................................................................ 283
Light bulbs.....................................................286
Tires .................................................................... 321
Resetting the message indicating mainte- nance is required ...................................... 255
Rev indicator .................................................... 70
Rev peak............................................................... 71
S
Seat belt reminder light................. 304, 305
Seat belts............................................................ 24 Automatic Locking Retractor................. 26
Child restraint system installation ......... 43
Cleaning and maintaining the seat belt.......................................................................... 243
Driver’s and front pa ssenger’s seat belt
reminder light and buzzer ................ 304
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 ................................... 305
Seat belt extender......................................... 25
Seat belt pretensioners .............................. 27
SRS warning light........................................ 301
Seat heaters .....................................................219
Seat position memory................................. 105
Seat ventilators ...............................................219
Seating capacity.............................................126
Seats Adjustment ..................................................... 103
Child seats/child restraint system installa-tion .................................................................... 42
Cleaning ......................................................... 243
Driving position memory ........................ 105
Power easy access system .................... 105
Properly sitting in the seat ........................ 23
Seat heaters ....................................................219
Seat position memory .............................. 105
Seat ventilators ..............................................219
Sensor Automatic headlight system .................. 138
Automatic High Beam system ............. 140
Inside rear view mirror ............................... 110
LDA (Lane Departure Alert with steering control) ......................................................... 164

402Alphabetical Index
RC F Owner's Manual
Radar sensor...................................... 153, 180
Rain-sensing windshield wipers.......... 148
Service reminder message ..................... 255
Shift lever Automatic transmission ............................ 132
Side airbags ...................................................... 28
Side marker lights Light switch .................................................... 138
Replacing light bulbs................................ 287
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................................ 287
Turn signal lever ...........................................136
Side windows ................................................... 112
Slip indicator .................................................. 303
Smart access system with push-button start Antenna location........................................... 98
Entry functions................................................ 92
Starting the engine ......................................128
Snow tires ....................................................... 203
Spare tire...........................................................321 Storage location ......................................... 322
Spark plug ...................................................... 343
Specifications ................................................ 340
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.............................. 219 Meter control switches .............................. 74
Power easy access system .................... 105
Steering wheel position memory........ 105
Stop lights Replacing light bulbs................................ 287
Storage features .......................................... 223
Stuck If the vehicle becomes stuck ............... 338
Sun visors ........................................................ 228
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 ................... 292
Engine switch ................................................ 128
Garage door opener switches........... 229
Heated steering wheel switch ...............219
Ignition switch ............................................... 128
Instrument panel light control switches............................................................................. 73
Intuitive parking assist switch ................ 186
“LAUNCH” switch .................................... 193
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 ............................... 211
Seat heater switches...................................219
Seat ventilator switches ............................219
“SOS” button................................................... 53