5287-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE) Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the power switch.
When the electronic key is detected, a
buzzer sounds and the power switch will
turn to ON mode.
When the smart entry & start system is
deactivated in customization setting, the
power switch will turn to ACCESSORY
mode.
Firmly depress the brake pedal and ch
eck that is shown on the multi-
information display.
Press the power switch.
In the event that the hybrid system still cannot be started, contact any authorized
Lexus retailer or Lexus authorized repairer, or any reliable repairer.
■Stopping the hybrid system
Shift the shift lever to P and press the power switch as you normally do when stopping the hybrid system.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediately when the battery is depleted. ( P. 435)
■Alarm (if equipped)
Using the mechanical key to lock the doors or trunk will not set the alarm system.
If a door or trunk are unlocked using the me chanical key when the alarm system is set,
the alarm may be triggered. ( P. 91)
■Changing power switch modes
Release the brake pedal and press the power switch in step above.
The hybrid system does not start and modes will be changed each time the switch is
pressed. ( P. 218)
■When the electronic key does not work properly
●Make sure that the smart entry & start syst em has not been deactivated in the customi-
zation setting. If it is off, turn the function on.
(Customizable features: P. 561)
●Check if battery-saving mode is set. If it is set, cancel the function. (P. 154)
Starting the hybrid system
1
2
3
4
3
5588-1. Specifications
GS450h_300h_OM_OM30F92E_(EE)
Light bulbs
Light bulbsWType
ExteriorFront turn signal lights *21A
Outer foot lights5B
InteriorVanity lights8B
Trunk light3.8B
A: Wedge base bulbs (amber)
B: Wedge base bulbs (clear)* : Vehicles with single-beam headlights
5668-2. Customization
GS450h_300h_OM_OM30F92E_(EE)
■Door lock ( P. 139, 527)
■Entry function * and wireless remote control ( P. 134, 153)
* : If equipped
FunctionDefault
settingCustomized setting
Unlocking on second key turn
(Allows all doors to be
unlocked by turning the
mechanical key twice in the
driver’s door)Off
(All doors
unlocked in one step)On
(Driver’s door
unlocked in one
step, all doors
unlocked in two steps)
——O
Speed linked door locking
functionOnOffO—O
Shift position linked door lock-
ing functionOffOnO—O
Shift position linked door
unlocking functionOffOnO—O
Driver’s door linked door
unlocking functionOnOffO—O
Locking/unlocking of the trunk
when all doors are locked/
unlockedOnOff——O
123
FunctionDefault
settingCustomized setting
Operation signal
(Emergency flashers)OnOffO—O
Time elapsed before automatic
door lock function is activated if
a door is not opened after
being unlocked
30 seconds
60 seconds
——O
120 seconds
Open door reminder buzzer
(When locking the vehicle)OnOff——O
123
567
8
8-2. Customization
Vehicle specifications
GS450h_300h_OM_OM30F92E_(EE)
■Entry function* ( P. 153)
* : If equipped
■Wireless remote control ( P. 134)
■Front seats ( P. 175)
FunctionDefault
settingCustomized setting
Smart entry & start systemOnOffO—O
Unlocking operationAll the doorsDriver’s doorO—O
Number of consecutive door
lock operationsAs many as desired2 times——O
123
FunctionDefault
settingCustomized setting
Wireless remote controlOnOff——O
Unlocking operation
Off
(All doors
unlocked in one step)On (Driver’s door
unlocked in one step, all doors
unlocked in two steps)
O—O
Trunk unlocking operationPress and hold
(short)
One short press
——O
Push twice
Press and hold (long)
Off
123
FunctionDefaultsettingCustomized setting
Driver’s seat movement when
exiting the vehicleStandardOffO—OPartial
Selecting the door linking driv-
ing position memory with door
unlock operation
Driver’s doorAll doors——O
123
579
What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F92E_(EE) ●
The function to prevent the electronic ke y from being left inside the trunk will
operate and you can open the trunk as usual. Take the key out from the trunk. ( P. 148)
● Did you press the power switch while firmly depressing the brake pedal? ( P. 217)
● Is the shift lever in P? ( P. 219)
● Is the electronic key anywhere detectable inside the vehicle? ( P. 153)
● Is the steering wheel unlocked? ( P. 219)
● Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary way. ( P. 528)
● Is the 12-volt battery discharged? ( P. 530)
● Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
power switch in ON mode ( P. 229)
● It is locked automatically to prevent theft of the vehicle. ( P. 219)
The trunk lid is closed with the electronic key left inside
If you think som
ething is wrong
The hybrid system does not start
The shift lever cannot be shifted fr om P even if you depress the brake
pedal
The steering wheel cannot be turned after the hybrid system is stopped
584Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Cargo hooks........................................... 374 CD player
*
Chains ....................................................... 336
Child restraint system ............................ 57 Baby seats, definition ..........................58
Baby seats, installation ....................... 67
Child seats, definition..........................58
Child seats, installation....................... 67
Installing CRS with ISOFIX rigid anchors........................................ 70
Installing CRS with seat belts.......... 67
Installing CRS with top strap ............ 71
Junior seats, definition ........................58
Junior seats, installation ..................... 69
Child safety................................................. 56 12-volt battery
precautions............................. 414, 534
Airbag precautions .............................. 45
Child restraint system......................... 57
How your child should
wear the seat belt ..................... 39, 40
Installing child restraints .................... 66
Moon roof precautions ................... 198
Power window lock switch.............193
Power window precautions .......... 195
Rear door child-protectors ............143
Removed electronic key battery precautions ....................... 436
Seat belt comfort guide ..................... 39
Seat belt precautions .......................... 42
Seat heater precautions ...................361
Trunk precautions ..............................149
Child-protectors ................................... 143 Cleaning....................................... 390, 394
Aluminum wheels................................ 391
Exterior ................................................... 390
Interior..................................................... 394
Seat belts ............................................... 395
Clock ............................................... 105, 378
Coat hooks.............................................. 382
Condenser ................................................ 411
Console box ........................................... 370
Console box light ................................... 371
Coolant..................................................... 409 Capacity................................................. 552
Checking ............................................... 409
Preparing and checking
before winter.................................... 334
Cooling system ..................................... 409
Engine overheating .......................... 535
Hybrid system overheating.......... 535
Consumption screen ........................... 126
Cruise control Cruise control .....................................308
Dynamic radar cruise control with full-speed range ................... 296
Cup holders .............................................. 371
Curtain shield airbags .......................... 43
Customizable features.........................561
590Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Jack
Positioning the jack ...........................402
Vehicle-equipped jack .......... 499, 511
Jack handle..................................... 499, 511
Jam protection function Moon roof ............................................... 197
Power trunk lid......................................149
Power window ......................................193
Keyless entry ........................................... 153 Smart entry & start system ............. 153
Wireless remote control ..................134
Keys ............................................................. 134 Battery-saving function.................... 155
Electronic key ........................................134
Engine switch......................................... 217
If the electronic key does not operate properly ............................ 527
If you lose your keys ................ 136, 137
Key number plate ................................134
Keyless entry ............................... 134, 153
Mechanical key.................................... 135
Power switch ......................................... 217
Replacing the battery.......................435
Warning buzzer ...................................154
Wireless remote control key .........134
Knee airbags.............................................. 43 Language (multi-information
display) .................................................. 562
LDH (Lexus Dynamic Handling
system)................................................... 325
Lever
Auxiliary catch lever........................... 401
Hood lock release lever .................. 401
Shift lever ................................................ 224
Turn signal lever................................... 231
Wiper lever ............................................ 251
Lexus Dynamic Handling system
(LDH) ..................................................... 325
Lexus parking assist monitor *
Lexus parking assist-sensor *
Function *
Warning message ............................ 466
Lexus Safety System+........................... 261
AHS (Adaptive High-beam System) ................................................. 241
Automatic High Beam ................... 246
Dynamic radar cruise control with full-speed range ................... 296
LKA (Lane-Keeping Assist) ........ 282
PCS (Pre-Crash Safety system) ................................................ 270
RSA (Road Sign Assist) ................... 291
License plate lights .............................. 237
Light switch............................................ 237
Replacing light bulbs ....................... 449
Welcome light illumination control ................................................... 140
J
K
L
591
Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Light bulbs
Replacing ............................................... 443
Wattage................................................. 558
Lights
AHS (Adaptive High-beam System).................................................. 241
Automatic High Beam system .................................................. 246
Fog light switch ...................................250
Follow me home system ................238
Headlight switch................................. 237
Illuminated entry system................ 368
Interior light ........................................... 367
Interior lights list ..................................366
Personal lights ..................................... 367
Replacing light bulbs........................ 443
Trunk light ............................................... 148
Turn signal lever ................................... 231
Vanity lights .......................................... 377
Wattage................................................. 558
Welcome light illumination control................................................... 140
LKA (Lane-Keeping Assist) .............282 Operation ..............................................286
Warning messages...........................466
Lock steering column .......................... 219
Low profile tire .......................................420
Luggage hook ........................................ 374
Luggage security system .................... 148 Main display............................................ 344
Maintenance
Do-it-yourself maintenance ......... 399
Maintenance data ............................. 546
Maintenance requirements .......... 397
Malfunction indicator lamp .............. 460
Master warning light ........................... 462
Meter .......................................................... 104 Head-up display ....................................119
Indicators .................................................. 101
Instrument panel li ght control ....... 107
Meters ....................................................... 104
Multi-information display.....................111
Warning lights ....................................... 99
Mirrors
Inside rear view mirror .................... 188
Outside rear view mirror defoggers .......................................... 352
Outside rear view mirrors ..............190
Vanity mirrors ...................................... 377
Moon roof .................................................196
Door lock linked moon roof operation.............................................. 197
Jam protection function ................... 197
Operation ............................................... 196
Warning message ............................ 466
MP3 disc *
M
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.