2020 LEXUS RC300 high beam

1524-5. Using the driving support systems
4-5.Using the driving support systems
■PCS (Pre-Collision System)
 P.156
■LDA (Lane Departure Alert with
steering control)
 P.163
■Automatic High Beam
 P.139
■Dynamic radar cruise control
 P.170
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

2947-2. Steps to take in an emergency
In some situations, the master warning light and warning buzzer may not oper-
ate as specified. In this case, follow the instructions displayed in the warning
message.
 If a warning light comes on or flashes at the same time that a warning message is
displayed, take corrective actio n according to the warning light. ( P.284)
*: A buzzer sounds the first time a message is shown on the multi-information display.
■Warning messages
The warning messages explained below
may differ from the actual messages
according to operation conditions and vehi-
cle specifications.
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level is low. Check the level
of the engine oil, and add if necessary.
This message may appear if the vehicle is
stopped on a slope. Move the vehicle to a
level surface and check to see if the mes-
sage disappears.
■If “Front Camera Unavailable” or “Front
Camera Unavailable Remove Debris
On Windshield” is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.154, 287)
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert with steering
control)
●Automatic High Beam
●Dynamic radar cruise control
■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.240)
*: 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 ha s been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. ( P.240)
*: Refer to the separate “Scheduled Main-
Comes onDoes not sound
Indicates a condition, such as malfunction of electri-
cal components, their cond ition, or indicates the
need for maintenance
FlashesDoes not sound
Indicates a situation, such as when an operation has
been performed incorrectly, or indicates how to
perform an operation correctly
Warning buzzer*Warning

375Alphabetical Index
Alphabetical Index
A
A/CAir conditioning filter ............................... 266
Automatic air conditioning system ... 207
Micro dust and pollen filter.......................211
ABS (Anti-lock Brake System)................194 Warning light ...............................................285
Active Sound Control (ASC) ..................135
Adaptive Variable Suspension System 194
Air conditioning filter ................................. 266
Air conditioning system Air conditioning filter ............................... 266
Automatic air conditioning system ... 207
Micro dust and pollen filter.......................211
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 ......................................285
Alarm ....................................................................57 Warning buzzer ......................................... 284
Anchor brackets .......................................41, 49
Antennas (smart access system with push-button start)........................................ 93
Anti-lock Brake System (ABS)................194 Warning light ...............................................285 Approach warning........................................ 175
ASC (Active Sound Control) ..................135
Assist grips ..................................................... 222
Audio system-linked display .......................74
Automatic air conditioning system ...... 207
Automatic headlight leveling system ... 138
Automatic High Beam ................................139
Automatic light control system................ 137
Automatic transmission ..............................129
M mode ............................................................132
Paddle shift switches ......................... 131, 132
Snow mode...................................................... 131
Average fuel economy................................... 71
Average vehicle speed .................................. 71
B
Back-up light Replacing light bulbs ................................ 272
Wattage ..........................................................328
Battery Battery checking ........................................255
If the battery is discharged ................... 308
Preparing and checking before winter........................................................................... 198
Warning light ...............................................284
Blind Spot Monitor (BSM)........................ 184
Boost gauge.......................................................72
Brake Fluid................................................................... 323
Parking brake ............................................... 135
Warning light ...............................................284
Brake assist ......................................................194
Break-in tips...................................................... 117
Brightness control Instrument panel light control................. 69
BSM (Blind Spot Monitor)........................ 184
C
Card key ............................................................ 82
Care Aluminum wheels ...................................... 234

379Alphabetical Index
G-force................................................................72
Glove box .........................................................219
Glove box light ............................................. 220
H
Head restraints .............................................. 103
Headlight aim .................................................. 271
HeadlightsAutomatic High Beam system..............139
Light switch ..................................................... 137
Replacing light bulbs.................................272
Wattage.......................................................... 328
Heated steering wheel ................................ 214
Heaters Automatic air conditioning system ... 207
Heated steering wheel.............................. 214
Outside rear view mirrors ........................211
Seat heaters .................................................... 214
High mounted stoplight Replacing light bulbs.................................272
Hill-start assist control .................................194
Hood Open ............................................................... 247
Hooks Cargo hooks.................................................. 221
Coat hooks ....................................................222
Retaining hooks (floor mat)......................22
Horn ....................................................................107
I
I/M test ............................................................ 244
Identification Engine ...............................................................319
Vehicle ............................................................. 318
Ignition switch (engine switch).................125 Auto power off function ...........................128
Changing the engine switch modes.. 127
If your vehicle has to be stopped in an
emergency ................................................ 276
Illuminated entry system .............................218
Indicators ........................................................... 62 Initialization
Items to initialize .......................................... 351
Maintenance.....................................240, 252
Power windows ............................................. 110
Tire pressure warning system ............. 262
Inside rear view mirror ................................107
Instrument panel light control ................... 69
Intercooler...................................................... 254
Intercooler coolant Capacity ...........................................................321
Checking ....................................................... 252
Interior lights.................................................... 217 Front interior light ........................................ 217
Rear interior light.......................................... 217
Intuitive parking assist Warning message ...................................... 180
J
JackPositioning a floor jack ............................ 247
Vehicle-equipped jack ...........................296
Jack handle .................................................... 296
Jam protection function Moon roof ........................................................ 113
Power windows ............................................. 110
K
Keyless entrySmart access system with push-button start ................................................................... 93
Wireless remote control ...........................84
Keys Battery-saving function.............................. 94
Electronic key ................................................. 82
Engine switch ................................................ 125
If the electronic key does not operate properly ...................................................... 306
If you lose your keys ................................ 305
Key number plate ......................................... 82
Keyless entry ..........................................86, 93
Mechanical key .............................................. 82

380Alphabetical Index
Replacing the battery............................... 267
Warning buzzer ............................................ 93
Wireless remote control........................... 84
Knee airbags .................................................... 28
L
Lane Departure Alert wi th steering control
(LDA) Operation........................................................163
Warning messages ................................... 168
Language (multi-information display) ....74
LDA (Lane Departure Alert with steering control)Operation........................................................163
Warning messages ................................... 168
LDA (Lane Departure Alert with steering control) switch .............................................165
LDH (Lexus Dynamic Handling system) ............................................................................195
Lever Auxiliary catch lever ................................. 247
Hood lock release lever......................... 247
Shift lever.......................................................... 129
Turn signal lever ...........................................134
Wiper lever..................................................... 142
Lexus Dynamic Handling system (LDH) ............................................................................195
Lexus Enform Safety Connect.................. 52
Lexus Safety System + Automatic High Beam ..............................139
Dynamic radar cruise control ...............170
LDA (Lane Departure Alert with steering control) ..........................................................163
PCS (Pre-Collision System)................. 156
License plate lights Light switch ..................................................... 137
Replacing light bulbs.................................272
Light Wattage.......................................................... 328
Light bulbs Replacing ........................................................272 Lights
Automatic High Beam system ............. 139
Front interior lights ...................................... 217
Headlight switch...........................................137
Interior lights ................................................... 217
Interior lights list ............................................ 217
Personal lights .............................................. 218
Rear interior lights ....................................... 217
Replacing light bulbs ................................ 272
Trunk light ...........................................................91
Turn signal lever ...........................................134
Vanity lights .................................................. 223
Wattage ..........................................................328
Lock steering column ..................................125
M
Maintenance Do-it-yourself maintenance .................245
General maintenance ...............................241
Maintenance date ....................................... 318
Maintenance requirements ..................240
Malfunction indicator la mp ..................... 285
Master warning light .................................. 289
Menu icons........................................................ 70
Meter Changing the main meter location...... 67
Clock................................................................... 64
Indicators........................................................... 62
Instrument panel light control................. 69
Meters................................................................. 64
Multi-information display .......................... 69
Settings............................................................... 74
Units..................................................................... 73
Warning lights .............................................284
Warning messages................................... 292
Micro dust and pollen filter ........................ 211
Mirrors Inside rear view mirror ............................. 107
Outside rear view mirror defoggers .. 211
Outside rear view mirrors...................... 108
Vanity mirrors .............................................. 223

383Alphabetical Index
Seat heaters .................................................... 214
Seat position memory .............................. 100
Seat ventilators.............................................. 214
Seats, Front Child seats/child restraint system installa-tion .................................................................... 40
Sensor Automatic headlight system................... 137
Automatic High Beam system..............139
Inside rear view mirror............................. 108
LDA (Lane Departure Alert with steering control) ..........................................................163
Radar sensor..................................................152
Rain-sensing windshield wipers........... 147
Service reminder message ..................... 240
Shift lever Automatic transmission ............................ 129
Side airbags ...................................................... 28
Side marker lights Light switch ..................................................... 137
Replacing light bulbs.................................272
Side mirrors Adjustment..................................................... 108
BSM (Blind Spot Monitor) .................... 184
Folding ............................................................. 109
Linked mirror functi on when reversing
.......................................................................... 109
Mirror position memory.......................... 100
RCTA function ............................................. 184
Side turn signal lights Replacing light bulbs.................................272
Turn signal lever ...........................................134
Wattage.......................................................... 328
Side windows ................................................... 110
Smart access system with push-button startAntenna location........................................... 93
Entry functions................................................ 86
Starting the engine ......................................125
Warning message..................................... 292
Snow mode ....................................................... 131
Snow tires ........................................................ 198 Spare tire......................................................... 296
Storage location .........................................296
Spark plug ...................................................... 322
Specifications ................................................. 318
Speed indicator ............................................... 66
Speed meter Speed indicator.............................................. 66
Speedometer ................................................... 64
Steering lock Column lock release ................................. 125
Steering lock system warning message........................................................................... 125
Steering wheel Adjustment ..................................................... 106
Heated steering wheel ..............................214
Meter control switches .............................. 70
Power easy access system .................... 100
Steering wheel position memory........100
Stop lights Replacing light bulbs ................................ 272
Wattage ..........................................................328
Storage features ............................................219
Stuck If the vehicle becomes stuck ................. 315
Sun visors ........................................................ 223
Sunshade Roof...................................................................... 113
Switch ASC (Active Sound Control) dial...... 135
Meter control switches .............................. 70
Switches Activating the Automatic High Beam139
Automatic High Beam system ............. 139
Door lock switches ..................................... 88
Driving mode select switch ....................192
Driving position memory switches .... 100
Emergency flashers switch ................... 276
Engine switch ................................................ 125
Garage door opener switches........... 224
Heated steering wheel switch ...............214
Ignition switch ............................................... 125