620
RC300h_EE(OM24740E)
What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be made
by any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional. ( P. 140)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional immediately. ( P. 143)
●Is the electronic key battery weak or depleted? (P. 511)
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( P. 216)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly due to the condition of the radio wave.
( P. 157)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open the trunk as us ual. Take the key out from the trunk.
( P. 152)
If you have a problem, check the following before contacting any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The trunk lid is closed with the electronic key left inside
622What to do if... (Troubleshooting)
RC300h_EE(OM24740E)
●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. 196)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or ON mode (the hybrid system is not operating) for a period of time.
( P. 217)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 539)
●The parking brake indicator is on
Is the parking brake released? ( P. 230)
Depending on the situation, other types of warning buzzer may also sound.
( P. 537, 542)
●Did anyone inside the vehicle open a door or anything move inside the vehicle
during setting the alarm?
The sensor detects them and the alarm sounds. ( P. 102)
Do one of the following to deactivate or stop the alarm:
• Unlock the doors or open the trunk using the entry function or wireless remote con-
trol. • Start the hybrid system.
The windows do not open or close by operating the power window
switches
The power switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and th e horn sounds (if equipped)
626Alphabetical index
RC300h_EE(OM24740E)
Seat heater precautions ................. 444
Trunk precautions ............................. 153
Cleaning ....................................... 460, 464
Aluminum wheels ................................461
Exterior................................................... 460
Interior ..................................................... 464
Seat belts................................................465
Clock ......................................................... 456
Coat hooks ..............................................458
Condenser ............................................ 480
Console box ...........................................450
Cooling system ...................................... 478
Engine overheating ..........................587
Hybrid system overheating ..........587
Cruise control
Cruise control ..................................... 253
Dynamic radar cruise control ..... 257
Cup holders ............................................. 451
Current fuel consumption.................. 124
Curtain shield airbags ........................... 43
Customizable features ...................... 608
DAB (Digital Audio Broadcast) ..... 369
Daytime running light system ......... 233
Defogger
Outside rear view mirrors ............ 438
Rear window........................................ 438
Windshield ........................................... 438
Differential............................................... 603
Digital Audio Broadcast (DAB) ..... 369
Dimensions ............................................. 596
Display
Drive information................................. 124
Dynamic radar cruise control ......257
LDA (Lane Departure Alert) ....... 274
Multi-information display................... 121
Warning message ............................ 542
Distance ..................................................... 124
Do-it-yourself maintenance ............. 469
Door courtesy lights
Location ................................................. 446
Door lock
Doors......................................................... 144
Smart entry & start system ............. 155
Wireless remote control ................. 138
Doors...........................................................144
Automatic door locking and
unlocking system ............................. 147
Door lock ................................................ 144
Open door warning buzzer .......... 145
Open door warning light .............. 539
Outside rear view mirrors .............. 193
Side windows ........................................ 196
Drive info 1/Drive info 2 ......................126
Drive information ................................... 124
Resetting .................................................. 124
D
631Alphabetical index
RC300h_EE(OM24740E)
Jack
Positioning the jack........................... 472
Vehicle-equipped jack ...................499
Jack handle .............................................. 499
Jam protection function
Front seats ............................................... 179
Moon roof .............................................. 201
Power window ......................................197
Keyless entry
Smart entry & start
system ......................................... 144, 150
Wireless remote control ....... 144, 150
Keys ............................................................. 138
Battery-Saving Function ..................157
Electronic key ....................................... 138
If the electronic key does not
operate properly ............................578
Key number plate ............................... 138
Keyless entry ............................... 144, 150
Mechanical key.....................................139
Power switch .........................................215
Replacing the battery.......................... 511
Warning buzzer ...................................145
Wireless remote control ................. 138
Knee airbags.............................................. 43
Lane Departure Alert (LDA) .......... 273
Language
(multi-information display) .............. 126
LDA (Lane Departure Alert) .......... 273
Lever
Auxiliary catch lever........................... 471
Hood lock release lever .................. 471
Shift lever ................................................ 222
Tilt and telescopic steering
lock release lever .............................189
Turn signal lever..................................229
Wiper lever ............................................ 241
Lexus Display Audio controller...... 346
Lexus Display Audio system............ 344
Lexus parking assist monitor ........... 286
Lexus parking assist-sensor ............. 279
License plate lights .............................. 232
Light switch............................................232
Replacing light bulbs ....................... 525
Light bulbs
Replacing............................................... 520
Wattage .................................................605
Lights
Automatic High Beam
system.................................................. 235
Fog light switch................................... 239
Follow me home system................ 233
Headlight switch .................................232
Illuminated entry system .................447
Interior lights .........................................447
Interior lights list ................................. 446
Personal lights..................................... 448
Replacing light bulbs ....................... 520
Trunk light ............................................... 152
Turn signal lever..................................229
J
K
L
633Alphabetical index
RC300h_EE(OM24740E)
Navigation system*
Odometer................................................... 115
Oil
Differential oil ...................................... 603
Engine oil .............................................. 599
Opener
Hood .......................................................... 471
Trunk ......................................................... 150
Outer foot lights .................................... 446
Outside rear view mirrors ................. 193
Adjusting and folding.........................193
BSM (Blind Sport Monitor)............319
Linked mirror function
when reversing..................................194
Mirror position memory.................. 183
Outside rear view mirror
defoggers ..........................................438
Outside temperature .............................115
Overheating ...........................................587
Paddle shift switches ................ 224, 225
Parking assist sensors......................... 279
Parking brake......................................... 230
PCS
(Pre-Crash Safety system)............... 311
PCS OFF switch.................................. 312
Warning light....................................... 538
Personal lights........................................ 448
Pollen removal mode.......................... 438
Pop-up display.........................................126
Pop Up Hood............................................ 56
Power control unit .................................. 89
Power control unit coolant ............... 478
Capacity...................................................601
Checking ............................................... 478
Preparing and checking before
winter ....................................................337
Power outlet ........................................... 456
Power steering (Electric power
steering system)................................. 304
Warning light....................................... 538
Power switch ............................................215
Power windows .......................................196
Door lock linked window
operation..............................................198
Jam protection function ................... 197
Operation ............................................... 196
Window lock switch .......................... 196
Pre-Crash Safety system (PCS) ....... 311
PCS OFF switch.................................. 312
Warning light....................................... 538
N
O
P
637Alphabetical index
RC300h_EE(OM24740E)
Tilt and telescopic steering
control switch .................................... 189
Tire pressure warning reset
switch.................................................... 487
Trunk opener main switch ............... 151
Trunk opener switch ......................... 150
Vehicle-to-vehicle distance
button .....................................................261
VSC OFF switch .............................. 306
Window lock switch.......................... 196
Windshield wiper
and washer switch ........................... 241
Windshield wiper de-icer
switch.................................................... 439
Tachometer ............................................... 115
Tachometer settings .............................126
Tail lights................................................... 232
Light switch............................................232
Replacing light bulbs ....................... 525
Talk switch ............................................... 408
Telephone switches .............................408
Theft deterrent system
Alarm ......................................................... 102
Double locking system ...................... 101
Immobilizer system ............................. 95
Intrusion sensor and tilt sensor.....105
Luggage security system ..................151
Tire inflation pressure ......................... 505
Maintenance data ............................. 604
Tire inflation pressure display
function ............................................... 486
Warning light....................................... 539
Tire pressure warning system ......... 486
Initializing ............................................... 487
Installing tire pressure warning
valves and transmitters ............... 486
Registering ID codes....................... 487
Tire pressure warning reset
switch ................................................... 487
Warning light....................................... 539
Tires............................................................ 484
Chains..................................................... 338
Checking ............................................... 484
Emergency tire puncture
repair kit.............................................. 563
If you have a flat tire.......................... 563
T
*: For vehicles with a navigation or multimedia system, refer to the
“NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
638Alphabetical index
RC300h_EE(OM24740E)
Inflation pressure............................... 604
Replacing ...............................................499
Rotating tires ....................................... 485
Size........................................................... 604
Snow tires ..............................................339
Tire inflation pressure display
function ............................................... 486
Tire pressure warning
system ................................................. 486
Warning light .......................................539
Tools ........................................................... 499
Top strap ..................................................... 82
Towing ...................................................... 530
Emergency towing........................... 530
Towing eyelet ......................................533
Trailer towing ......................................... 214
Traction battery (hybrid battery).......89
Traction Control (TRC) .....................304
Traction motor (electric motor) ........85
Trailer towing .......................................... 214
Transmission ........................................... 222
Driving mode select switch ........... 301
Hybrid transmission ......................... 222
If the shift lever cannot be
shifted from P ....................................227
Paddle shift switches ............ 224, 225
S mode .................................................... 225
TRC (Traction Control) .....................304
Trip meters .................................................115
Trunk ........................................................... 150
Luggage security system .................. 151
Smart entry & start system ............. 150
Trunk features...................................... 452
Trunk grip ................................................. 151
Trunk light ................................................152
Trunk opener main switch ............... 151
Trunk opener switch..........................150
Wireless remote control .................150
Trunk light ..................................................152
Wattage .................................................605
Turn signal lights ................................... 229
Replacing light
bulbs .............................520, 522, 525
Turn signal lever..................................229
Wattage .................................................605
Units .............................................................126
USB device ................................... 381, 427
Connecting ............................................ 351
USB audio ..............................................381
USB photo............................................. 427
USB video...............................................381
USB port ....................................................351
Vanity lights ............................................ 455
Wattage .................................................605
Vanity mirrors ........................................ 455
VDIM (Vehicle Dynamics
Integrated Management) .............. 305
Vehicle identification number......... 597
Vehicle Stability Control
(VSC) .................................................... 304
Ventilators (seat ventilators) ........... 445
VSC (Vehicle Stability
Control) ................................................ 304
U
V
639Alphabetical index
RC300h_EE(OM24740E)
Warning buzzers
Approach warning............................ 262
Brake system ....................................... 537
Downshifting ........................................ 226
Driver’s and front passenger’s
seat belt reminder ..........................539
Key reminder ...................................... 559
LDA (Lane Departure Alert)....... 273
Lexus parking assist-sensor ......... 279
Open door............................................539
Open hood........................................... 544
Open moon roof .............................. 550
Open trunk ........................................... 544
Open window ...................................... 551
Pre-crash braking ................................ 311
Rear passengers’ seat belt
reminder .............................................539
Warning label ............................................89
Warning lights ............................................ 111
ABS.......................................................... 538
Automatic headlight leveling
system ..................................................539
Brake system ....................................... 537
Charging system ............................... 537
Driver’s and front
passenger’s seat belt
reminder light ...................................539
Electric power steering
system ................................................. 538
Low fuel level .......................................539
Malfunction indicator lamp ........... 537
Master warning light ........................539
Open door............................................539
Pre-crash safety system ................ 538
Rear passengers’ seat belt
reminder lights ................................ 539
Slip indicator ........................................ 538
SRS ........................................................... 538
Tire pressure........................................ 539
Warning messages .............................. 542
Warning reflector storage belt....... 454
Washer ....................................................... 241
Checking ...............................................480
Preparing and checking
before winter.....................................337
Switch ........................................................ 241
Washing and waxing........................... 460
Weight ...................................................... 596
Wheels ...................................................... 507
Replacing............................................... 507
Size ........................................................... 604
Window lock switch ..............................196
Windows ....................................................196
Power windows ................................... 196
Rear window defogger .................. 438
Windshield wiper de-icer ................. 439
Windshield wipers ................................. 241
Intermittent windshield wipers
with interval adjuster ...................... 241
Rain-sensing windshield
wipers ...................................................243
Winter driving tips ............................... 337
Wireless remote control .................... 138
Battery-Saving Function .................. 157
Locking/Unlocking ................. 144, 150
Replacing the battery ..........................511
WMA disc ................................................. 371
W