2019 LEXUS RC350 trunk

370What to do if... (Troubleshooting)
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
 If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.303)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.303)
 Is the electronic key battery weak or
depleted? ( P.265)
 Is the engine switch in IGNITION
ON mode?
When locking the doors, turn the engine
switch off. ( 
P.126)
Is the electronic key left inside the
vehicle?
When locking the doors, make sure that
you have the electronic key on your per-
son.
The function may not operate prop-
erly due to the condition of the radio
wave. ( P.94)
 The function to prevent the elec-
tronic key from being left inside the
trunk will operate and you can open
the trunk as usual. Take the key out
from the trunk. ( P.91)
 Did you press the engine switch
while firmly depressing the brake
pedal? ( P.125)
 Is the shift lever in P? ( P.125)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.93)
 Is the steering wheel unlocked?
( P.125)
 Is the electronic key battery weak or
depleted?
In this case, the engine can be started in a
temporary way. ( 
P.305)
Is the battery discharged?
( P.306)
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The electronic key does not
operate properly
The doors cannot be locked or
unlocked
The trunk lid is closed with the
electronic key left inside
If you think something is wrong
The engine does not start
The shift lever cannot be shifted
from P even if you depress the
brake pedal

3711-1. What to do if... (Troubleshooting)
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810371What to do if... (Troubleshooting)
 Is the engine switch in IGNITION
ON mode?
If you cannot release the shift lever by
depressing the brake pedal with the engine
switch in IGNITION ON mode. ( 
P.129)
It is locked automatically to prevent
theft of the vehicle. ( P.125)
 Is the window lock switch pressed?
The power window except for the one at
the driver’s seat cannot be operated if the
window lock switch is pressed. ( 
P.111)
The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is not running) for
a period of time. ( P.127)
 The seat belt reminder light is flash-
ing
Are the driver and the front passenger
wearing the seat belts? ( 
P.286)
The parking brake indicator is on
Is the parking brake released? ( P.134)
Depending on the situation, other
types of warning buzzer may also
sound. (P.282, 290)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
(
P.58)
Do one of the following to deactivate
or stop the alarm:
 Unlock the doors.
 Open the trunk using the entry
function or wireless remote control.
 Turn the engine switch to ACCES-
SORY or IGNITION ON mode, or
start the engine.
 Is the message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. ( 
P.290)
When a warning light turns on or a
warning message is displayed, refer
to P.282, 290.
The steering wheel cannot be
turned after the engine is
stopped
The windows do not open or
close by operating the power
window switches
The engine switch is turned off
automatically
A warning buzzer sounds during
driving
An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed

374Alphabetical Index
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810
Seat belts........................................................ 235
Cargo capacity...............................................123
Cargo hooks ...................................................219
Center Display ............................................. 202
Chains ................................................................ 197
Child restraint system Child seats definition................................... 40
Child seats installation....................... 44, 48
Front passenger occupant classification system ............................................................. 36
Installing a CRS to the front passenger seat ....................................................................42
Installing a CRS to the rear seat............ 44
Installing CRS with LATCH anchors . 48
Installing CRS with seat belts.................. 44
Installing CRS with top tether strap.....50
Child safety Airbag precautions.......................................32
Battery precautions ..................... 254, 308
Child restraint system................................. 40
Heated steering wheel or seat heater precautions.................................................. 212
How your child should wear the seat belt 25
Installing child restraints ............................ 40
Moon roof precautions ..............................114
Power window lock switch........................ 111
Removed electronic key battery precau- tions ............................................................... 266
Seat belt extender precautions ............. 25
Seat belt precautions .................................. 40
Trunk precautions ........................................ 89
Cleaning Aluminum wheels ...................................... 232
Exterior ........................................................... 232
Interior ............................................................. 235
Radar sensor..................................................152
Seat belts........................................................ 235
Clock ........................................................ 66, 220
Clock settings ............................................... 220
Coat hooks..................................................... 220
Compass ..........................................................227 Condenser ..................................................... 252
Console box ....................................................218
Consumption screen .................................... 78
Cooling system............................................. 250
Engine overheating.................................. 309
Cornering lights ............................................. 137 Replacing light bulbs ................................270
Cruise control Dynamic radar cruise control............... 168
Cup holders .....................................................218
Current fuel consumption ...........................72
Curtain shield airbags .................................. 28
Customizable features .............................. 339
D
Daytime running light system ...................136
Daytime running lights Replacing light bulbs ................................270
Defogger Outside rear view mirrors.................... 209
Rear window ............................................... 209
Windshield ................................................... 209
Differential Front differential oil. .......................... ...........321
Rear differential oil. ......................................321
Dimension ........................................................316
Dinghy towing................................................. 124
Display Center Display ............................................202
Drive information .......................................... 72
LDA (Lane Departure Alert with steering control) ......................................................... 163
Multi-information display ............................ 71
Warning messages.....................................291
Distance until next engine oil change .... 70
Do-it-yourself maintenance .................... 239
Door courtesy lights .....................................215
Door lock Doors ..................................................................86
Smart access system with push-button start ................................................................... 93
Wireless remote control ...........................84

378Alphabetical Index
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810
L
Lane Departure Alert wi th steering control
(LDA) Operation......................................................... 161
Warning messages ....................................166
Language (multi-information display) ....76
LDA (Lane Departure Alert with steering control)Operation......................................................... 161
Warning messages ....................................166
LDA (Lane Departure Alert with steering control) switch .............................................163
LDH (Lexus Dynamic Handling system)..... 193
Lever Auxiliary catch lever ................................. 245
Hood lock release lever......................... 245
Shift lever..........................................................128
Turn signal lever ...........................................133
Wiper lever.......................................................141
Lexus Dynamic Handling system (LDH)..... 193
Lexus Enform Safety Connect.................. 53
Lexus Safety System + Automatic High Beam ............................. 138
Dynamic radar cruise control .............. 168
LDA (Lane Departure Alert with steering control) ........................................................... 161
PCS (Pre-Collision System)..................154
License plate lights Light switch .....................................................136
Replacing light bulbs................................ 270
Light Wattage.......................................................... 326
Light bulbs Replacing ....................................................... 270
Lights Automatic High Beam system............. 138
Front interior lights ......................................215
Headlight switch ..........................................136
Interior lights...................................................215 Interior lights list ........................................... 215
Personal lights ...............................................216
Rear interior lights ...................................... 215
Replacing light bulbs ................................270
Trunk light ...........................................................91
Turn signal lever .......................................... 133
Vanity lights .................................................... 221
Wattage ..........................................................326
Lock steering column ..................................125
M
Maintenance Do-it-yourself maintenance ................. 243
General maintenance .............................239
Maintenance date ....................................... 316
Maintenance requirements ..................238
Malfunction indicator la mp ..................... 283
Master warning light .................................. 287
Menu icons.........................................................72
Meter Changing the main meter location......69
Clock...................................................................66
Indicators........................................................... 64
Instrument panel light control................... 71
Meters................................................................. 66
Multi-information display ............................ 71
Settings............................................................... 76
Units..................................................................... 75
Warning lights .............................................282
Warning messages.................................. 290
Micro dust and pollen filter ..................... 209
Mirrors Inside rear view mirror ............................. 107
Outside rear view mirror defoggers209
Outside rear view mirrors...................... 108
Vanity mirrors ................................................ 221
Moon roof Door lock linked moon roof operation ....113
Jam protection function ............................. 113
Operation ......................................................... 112

3791-1. What to do if... (Troubleshooting)
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810379Alphabetical Index
Multi-information display .............................. 71 Audio system-linked display................... 75
Boost gauge.....................................................74
Drive information ...........................................72
Drive information 1/Drive information 2/Drive information 3..............................72
Driving assist system information display 76
Dynamic radar cruise control .............. 168
Eco Driving Indicator ..................................73
Engine oil pressure gauge ........................74
Engine oil temperature gauge ................74
Gear Position ................................................. 75
G-force...............................................................74
LDA (Lane Departure Alert with steering control) ..........................................................163
Menu icons .......................................................72
Meter control switches ...............................72
Navigation system-linked display ........ 75
Settings .............................................................. 76
Tire pressure ....................................... 75, 258
Units .................................................................... 75
Vehicle sway warning ................................ 75
Warning message display ....................... 76
Warning messages ..................................290
N
Navigation system-linked display.............75
Noise from under vehicle .............................. 5
O
“ODO TRIP” switch ...................................... 70
Odometer ......................................................... 70
Odometer and trip meter display “ODO TRIP” switch .................................... 70
Oil Engine oil ........................................................ 318
Front differential oil ..................................... 321
Rear differential oil ...................................... 321
Opener Fuel filler door............................................... 148 Hood ................................................................245
Trunk ...................................................................90
Outer foot lights Location ........................................................... 215
Outside rear view mirrors Adjustment ..................................................... 108
Folding.............................................................. 109
Linked mirror function when reversing ....
109
Mirror position memory ..........................100
Outside rear view mirror defoggers209
Outside temperature.................................... 66
Overheating .................................................. 309
P
Paddle shift switches ........................... 130, 131
Panic mode ....................................................... 84
Parking brake Operation ........................................................134
Parking brake engaged warning buzzer134
Warning light ...............................................284
Warning message .......................................134
Parking lights Light switch .................................................... 136
Replacing light bulbs ................................270
PCS (Pre-Collision System) Function ........................................................... 154
PCS OFF switch ......................................... 156
Warning light .............................................. 285
Warning message ..........................160, 290
Personal lights.................................................215
Power control unit coolant Preparing and checking before winter.....196
Power easy access system ....................... 100
Power outlet .................................................. 220
Power steering (Elect ric power steering
system) ............................................................192 Warning light ...............................................284
Power windows Door lock linked window operation ..... 111

382Alphabetical Index
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810
Snow mode switch .................................... 130
“SOS” button .................................................. 53
Tilt and telescopic steering control switch 106
Tire pressure warning reset switch ..260
Trunk opener main switch ....................... 92
Trunk opener switch ................................... 90
VSC OFF switch .........................................193
Window lock switch ..................................... 111
Windshield wiper and washer switch .141
Windshield wiper de-icer switch ......209
T
Tachometer....................................................... 66 Rev indicator ................................................... 69
Rev peak ........................................................... 69
Tail lights Light switch .....................................................136
Replacing light bulbs................................ 270
Wattage.......................................................... 326
Theft deterrent system Alarm ..................................................................58
Engine immobilizer system ..................... 57
Theft prevention labels............................... 59
Tire inflation pressure Maintenance data...................................... 322
Tire inflation pressure display function .....
258
Warning light ............................................... 287
Tire information ............................................ 329 Glossary......................................................... 333
Size......................................................................331
Tire identification number .....................330
Uniform Tire Quality Grading............ 332
Tire infration pressure ...................................75
Tire pressure display .................................. 258
Tire pressure warning system Function ..........................................................258
Initializing .......................................................260
Installing tire pressure warning valves and transmitters ...................................... 259
Registering ID codes ................................. 261 Warning light ...............................................287
Tires Chains ...............................................................197
Checking .......................................................255
If you have a flat tire .................................. 294
Inflation pressure ..........................................261
Information ....................................................329
Replacing ....................................................... 294
Rotating tires ................................................ 257
Size .................................................................... 322
Snow tires ....................................................... 196
Spare tire ........................................................ 294
Tire inflation pressure display function......258
Tire pressure warning system ............ 258
Warning light ...............................................287
Tools.................................................................. 294
Top tether strap............................................... 50
Total load capacity ........................................316
Towing Dinghy towing ...............................................124
Emergency towing.................................... 277
Towing eyelet............................................... 279
Trailer towing .................................................124
TRAC (Traction Control) ..........................192
Traction Control (TRAC) ..........................192
Trailer towing .................................................. 124
Transmission Automatic transmission ........................... 128
Driving mode select switch ................... 190
M mode ............................................................. 131
Paddle shift switches ........................ 130, 131
Snow mode.................................................... 130
Trip meters ........................................................ 70
Trunk .................................................................... 89 Smart access system with push-button start ...................................................................90
Trunk features ................................................219
Trunk grip ...........................................................91
Trunk light ...........................................................91
Trunk opener main switch........................ 92
Trunk opener switch ...................................90

3831-1. What to do if... (Troubleshooting)
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810383Alphabetical Index
Wireless remote control............................. 91
Trunk light ............................................................ 91
Turn signal lights Replacing light bulbs................................ 270
Turn signal lever ...........................................133
Wattage.......................................................... 326
V
Vanity lights...................................................... 221
Vanity mirrors ................................................. 221
Variable Gear Ratio Steering (VGRS) 192
VDIM (Vehicle Dynami cs Integrated Man-
agement)........................................................193
Vehicle data recording .... ............................... 5
Vehicle Dynamics Integrated Manage- ment (VDIM)................................................193
Vehicle identification number ..................316
Vehicle Stability Control (VSC) .............192
Vehicle sway warning display ....................75
Ventilators (seat ventilators)..................... 212
VGRS (Variable Gear Ratio Steering) 192
VSC (Vehicle Stabilit y Control) .............192
W
Warning buzzer
Open door warning.................................285
Warning buzzers Approach warning...................................... 173
Brake Override System ......................... 284
Downshifting ......................................... 131, 132
Drive-Start Control .................................. 284
Electric power steering .......................... 284
High coolant temperature .................... 282
LDA (Lane Departure Alert with steering control) ........................................................... 161
LDA (Lane Departure Alert)...............285
Low engine oil pressure......................... 283
Open door..............................................87, 88
Open window .................................................. 111
Parking brake .............................................. 284
Pre-collision braking................................. 155 Seat belt ......................................................... 286
Warning lights............................................... 282 ABS ...................................................................283
Brake Override System .........................284
Brake system................................................282
Charging system........................................282
Drive-Start Control...................................284
Electric power steering...........................284
High coolant temperature.....................282
LDA indicator ............................................. 285
Low engine oil pressure.........................283
Low fuel level .............................................. 286
Malfunction indicator lamp ...................283
Master warning light................................. 287
Open door warning ................................ 285
Parking brake indicator ..........................284
Pre-collision system................................. 285
Seat belt reminder light.......................... 286
Slip indicator ................................................ 285
SRS ....................................................................283
Tire pressure ................................................ 287
Warning message display............................76
Warning messages ..................................... 290
Washer Checking .......................................................254
Preparing and checking before winter.....196
Switch.................................................................. 141
Washing and waxing.................................. 232
Weight Cargo capacity .............................................123
Load limits .......................................................123
Weight.............................................................. 316
Wheels ............................................................. 263 Size .................................................................... 322
Window lock switch ........................................111
Windows Power windows ............................................. 110
Rear window defogger.......................... 209
Washer .............................................................. 141
Windshield wiper de-icer ........................ 209
Windshield wipers ......................................... 141

388
RC350AWD_RC350_RC300AWD_RC30
0_OM_(U)_1810
GAS STATION INFORMATION
Auxiliary catch lever (P.245)
Trunk opener ( P.90)
Fuel filler door ( P.149)
Hood lock release lever ( P.245)
Tire inflation pressure ( P.322)
Fuel tank capacity (Ref-
erence)17.5 gal. (66.3 L, 14.6 Imp. gal.)
Fuel typeUnleaded gasoline onlyP.318
P.327
Cold tire inflation pres-
sureP.322
Engine oil capacity
(Drain and refill  ref-
erence)
P.318
Engine oil typeP.318
A
B
C
D
E