
1454-3. Operating the lights and wipers
RC350/RC300 Owner's Manual
4
Driving
return it to its original position.
The high beams are on while the lever is
pulled toward you, however, after the lever
is returned to its original position, the low
beams remain on for a certain amount of
time. Afterwards, the Automatic High
Beam will be activated again.
■Temporarily switching to the low beams
It is recommended to switch to the low
beams when the high beam may cause
problems or distress to other drivers or
pedestrians nearby.
Operating the lever operates
the wipers or washer as follows. The
lever will return to its original position
after operation.
Intermittent windsh ield wipers with
interval adjuster
1 (U.S.A.) or (Canada)
Move the lever up by 2 levels
Windshield wipers and
washer
Operating the lever can use the
windshield wipers or the washer.
NOTICE
■When the windshield is dry
Do not use the wipers, as they may dam-
age the windshield.
Operating the wiper lever

1564-5. Using the driving support systems
RC350/RC300 Owner's Manual
4-5.Using the driving support systems
■PCS (Pre-Collision System)
P.160
■LDA (Lane Departure Alert with
steering control)
P.167
■AHB(Automatic High Beam)
P.142
■Dynamic radar cruise control with
full-speed range
P.174
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

3037-2. Steps to take in an emergency
RC350/RC300 Owner's Manual
7
When trouble arises
The warning lights and warning buzzers operate as follows depending on the con-
tent of the message. If a message indicates the need for inspection by a dealer, have
the vehicle inspected by your Lexus dealer immediately.
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.293)
*: 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 a message that indicates the malfunc-
tion of front camera is displayed
The following systems may be suspended
until the problem show n in the message is
resolved. ( P.158, 296)
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert with steering
control)
●Automatic High Beam
●Dynamic radar cruise control with
Messages and warnings
Warning buzzer*Warning
Comes onSounds
Indicates an important situat ion, such as when a sys-
tem related to driving is ma lfunctioning or that dan-
ger may result if the co rrection procedure is not
performed
FlashesSoundsIndicates a situation, such as when damage to the
vehicle or danger may result
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

384Alphabetical Index
RC350/RC300 Owner's Manual
Alphabetical Index
A
A/CAir conditioning filter ............................... 273
Automatic air conditioning system ..... 213
Micro dust and pollen filter..................... 217
ABS (Anti-lock Brake System)............... 198 Warning light ............................................... 295
Active Sound Control (ASC) ..................139
Adaptive Variable Suspension System 199
Air conditioning filter ................................. 273
Air conditioning system Air conditioning filter ............................... 273
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 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 ...................................... 294
Alarm ....................................................................57 Warning buzzer ......................................... 293
Anchor brackets .......................................41, 49
Antennas (smart access system with push-button start)........................................ 93
Anti-lock Brake System (ABS)............... 198 Warning light ............................................... 295 Approach warning........................................ 179
ASC (Active Sound Control) ..................139
Assist grips ..................................................... 228
Audio system-linked display .......................76
Automatic air conditioning system ........213
Automatic headlight leveling system ..... 141
Automatic High Beam ................................ 142
Automatic light control system............... 140
Automatic transmission ..............................129
M mode ............................................................132
Paddle shift switches ......................... 131, 132
Snow mode...................................................... 131
Average fuel economy..................................73
Average vehicle speed .................................73
B
Back-up light Replacing light bulbs............................... 280
Wattage ..........................................................336
Battery Battery checking ..........................................261
If the battery is discharged ......................317
Preparing and checking before winter..........................................................................203
Warning light ............................................... 294
Blind Spot Monitor (BSM)........................ 189
Boost gauge.......................................................74
Brake Brake hold .......................................................137
Fluid................................................................... 332
Parking brake ............................................... 135
Warning light ...............................................293
Brake assist ..................................................... 198
Break-in tips...................................................... 117
Brightness control Instrument panel light control................. 70
BSM (Blind Spot Monitor)........................ 189
C
Card key ............................................................ 82

388Alphabetical Index
RC350/RC300 Owner's Manual
Gauges ............................................................... 66
Gear Position....................................................75
G-force................................................................74
Glove box ....................................................... 225
Glove box light ............................................. 226
H
Head restraints .............................................. 103
Headlight aim ................................................ 278
HeadlightsAutomatic High Beam system.............. 142
Light switch .................................................... 140
Replacing light bulbs................................280
Wattage.......................................................... 336
Heated steering wheel ................................ 221
Heaters Automatic air conditioning system ..... 213
Heated steering wheel.............................. 221
Outside rear view mirrors ...................... 217
Seat heaters .................................................... 221
High mounted stoplight Replacing light bulbs................................280
Hill-start assist control .................................199
Hood Open ............................................................... 253
Hooks Cargo hooks.................................................227
Coat hooks ................................................... 228
Retaining hooks (floor mat)......................22
Horn ....................................................................107
I
I/M test ............................................................ 250
Identification Engine ............................................................. 327
Vehicle ............................................................ 326
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 ................................................ 284 Illuminated entry system ........................... 224
Indicators ........................................................... 64
Initialization
Items to initialize ........................................ 358
Maintenance.................................... 246, 258
Power windows ............................................. 110
Tire pressure warning system ............. 267
Inside rear view mirror ................................107
Instrument panel light control ................... 70
Intercooler...................................................... 260
Intercooler coolant Capacity ........................................................ 330
Checking ...................................................... 258
Interior lights.................................................. 223 Front interior light ...................................... 223
Rear interior light........................................ 223
Intuitive parking assist Warning message ...................................... 185
J
JackPositioning a floor jack ............................253
Vehicle-equipped jack .......................... 305
Jack handle .................................................... 305
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 ........................................................ 315
If you lose your keys ...................................314
Key number plate ......................................... 82

389Alphabetical Index
RC350/RC300 Owner's Manual
Keyless entry .......................................... 86, 93
Mechanical key.............................................. 82
Replacing the battery............................... 275
Warning buzzer ............................................ 93
Wireless remote control........................... 84
Knee airbags .................................................... 28
L
Lane Departure Alert with steering control (LDA) Operation........................................................ 167
Warning messages .................................... 172
Language (multi-information display) ....76
LDA (Lane Departure Alert with steering control) Operation........................................................ 167
Warning messages .................................... 172
LDA (Lane Departure Alert with steering control) switch .............................................169
LDH (Lexus Dynamic Handling system) ............................................................................199
Lever Auxiliary catch lever ................................. 253
Hood lock release lever......................... 253
Shift lever.......................................................... 129
Turn signal lever ...........................................134
Wiper lever.....................................................145
Lexus Dynamic Handling system (LDH) ............................................................................199
Lexus Enform Safety Connect.................. 52
Lexus Safety System + Automatic High Beam .............................. 142
LDA (Lane Departure Alert with steering control) .......................................................... 167
PCS (Pre-Collision System)................. 160
License plate lights Light switch .................................................... 140
Replacing light bulbs................................280
Light Wattage.......................................................... 336
Light bulbs Replacing ....................................................... 279 Lights
Automatic High Beam system ..............142
Front interior lights .................................... 223
Headlight switch.......................................... 140
Interior lights ................................................. 223
Interior lights list .......................................... 223
Personal lights ............................................. 224
Rear interior lights ..................................... 223
Replacing light bulbs............................... 280
Trunk light ...........................................................91
Turn signal lever ...........................................134
Vanity lights .................................................. 229
Wattage ..........................................................336
Lock steering column ..................................125
M
Maintenance Do-it-yourself maintenance .................. 251
General maintenance ............................. 247
Maintenance date...................................... 326
Maintenance requirements .................. 246
Malfunction indicator lamp ..................... 294
Master warning light .................................. 298
Menu icons.........................................................72
Meter Changing the main meter location...... 69
Clock................................................................... 66
Indicators........................................................... 64
Instrument panel light control................. 70
Meters................................................................. 66
Multi-information display ............................ 71
Settings............................................................... 76
Units..................................................................... 75
Warning lights .............................................293
Warning messages.................................... 301
Micro dust and pollen filter ....................... 217
Mirrors Inside rear view mirror ............................. 107
Outside rear view mirror defoggers . 217
Outside rear view mirrors...................... 108
Vanity mirrors .............................................. 229

392Alphabetical Index
RC350/RC300 Owner's Manual
Seat heaters .................................................... 221
Seat position memory .............................. 100
Seat ventilators.............................................. 221
Seats, Front Child seats/child restraint system installa-tion .................................................................... 40
Sensor Automatic headlight system.................. 140
Automatic High Beam system.............. 142
Inside rear view mirror............................. 108
LDA (Lane Departure Alert with steering control) .......................................................... 167
Radar sensor................................................. 156
Rain-sensing windshield wipers............ 151
Service reminder message ..................... 246
Shift lever Automatic transmission ............................ 129
Side airbags ...................................................... 28
Side marker lights Light switch .................................................... 140
Replacing light bulbs................................280
Side mirrors Adjustment..................................................... 108
BSM (Blind Spot Monitor) .................... 189
Folding ............................................................. 109
Linked mirror function when reversing.......................................................................... 109
Mirror position memory.......................... 100
RCTA function ............................................. 189
Side turn signal lights Replacing light bulbs................................280
Turn signal lever ...........................................134
Wattage.......................................................... 336
Side windows ................................................... 110
Smart access system with push-button start Antenna location........................................... 93
Entry functions................................................ 86
Starting the engine ......................................125
Warning message...................................... 301
Snow mode ....................................................... 131
Snow tires ....................................................... 203 Spare tire.........................................................305
Storage location ........................................ 305
Spark plug ...................................................... 330
Specifications ................................................ 326
Speedometer ................................................... 66
Steering lock Column lock release ................................. 125
Steering lock system warning message........................................................................... 125
Steering wheel Adjustment ..................................................... 106
Heated steering wheel .............................. 221
Meter control switches .............................. 72
Power easy access system .................... 100
Steering wheel position memory........ 100
Stop lights Replacing light bulbs............................... 280
Wattage ..........................................................336
Storage features .......................................... 225
Stuck If the vehicle becomes stuck ................ 324
Sun visors ........................................................ 229
Sunshade Roof...................................................................... 113
Switch ASC (Active Sound Control) dial...... 139
Meter control switches .............................. 72
Switches Activating the Automatic High Beam142
Automatic High Beam system ..............142
Brake Hold switch.......................................137
Door lock switches ..................................... 88
Driving mode select switch ................... 196
Driving position memory switches .... 100
Emergency flashers switch ...................284
Engine switch ................................................ 125
Garage door opener switches...........230
Heated steering wheel switch ............... 221
Ignition switch ............................................... 125
Instrument panel light control switches............................................................................. 70
Light switches ............................................... 140