Page 455 of 548

4557-2. Steps to take in an emergency
GS450h_OM_OM30G62U_(U)
7
When trouble arises
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 access system with
push-button start is deactivated in cus-
tomization setting, the power switch will
turn to ACCESSORY mode.
Firmly depress the brake pedal and check that is shown on the multi-
information display.
Press the power switch.
In the event that the hybrid system st ill cannot be started, contact your Lexus
dealer.
■Stopping the hybrid system
Shift the shift lever to P and press the power sw itch 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. 382)
■Alarm
If the trunk is opened using the mechanical key when the alarm system is set, the alarm
may be triggered. ( →P. 77)
■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. 183)
■When the electronic key does not work properly
●Make sure that the smart access system wi th push-button start has not been deacti-
vated in the customization setting. If it is off, turn the function on.
(Customizable features: → P. 494)
●Check if battery-saving mode is set. If it is set, cancel the function. (→P. 136)
Starting the hybrid system
1
2
3
4
3
Page 505 of 548

GS450h_OM_OM30G62U_(U)
5058-2. Customization
8
Vehicle specifications
■Rear sunshade (→P. 318)
■Seat belt reminder buzzer ( →P. 406)
■Vehicle customization
●When the speed linked door locking function and shift position linked door locking
function are both on, the door lock operates as follows.
• When shifting the shift lever to any position other than P, all the doors will be locked.
• If the vehicle is started with all the doors locked, the speed linked door locking func-
tion would not operate.
• If the vehicle is started with any door un locked, the speed linked door locking func-
tion will operate.
●When the smart access system with push-button start is off, the selecting door to
unlock cannot be customized.
●When the doors remain closed after unloc king the doors and the automatic door lock
function (time elapsed before the automatic d oor lock function is activated if a door is
not opened after being unlock ed) activates, the signals will be generated in accordance
with the operation signal (buzzers) and the operation signal (emergency flashers) set-
tings.
●Some settings can be changed using a switch or the Remote Touch screen. If a setting is
changed using a switch, the changed setting will not be reflected on the Remote Touch
screen until the power switch is turned off and then to ON mode.
■When customizing usin g the Remote Touch
Stop the vehicle in a safe place, apply the parking brake, and shift the shift lever to P. Also,
to prevent 12-volt battery discharge, leave the hybrid system operating while customiz-
ing the features.
FunctionDefault settingCustomized setting
Reverse operationOnOff——O
Time elapsed before the reverse opera-
tion feature activates0.7
seconds
0 second
——O
0.9
seconds
1.2
seconds
123
FunctionDefault
settingCustomized setting
Speed-linked seat belt reminder func-
tionOnOff——O
123
Page 535 of 548

535Alphabetical index
GS450h_OM_OM30G62U_(U)
I/M test ..................................................... 348
Identification ............................................. 471Engine ........................................................471
Vehicle ......................................................471
Ignition switch (power switch) ......... 182 Auto power off function................... 184
Changing the power switch modes ................................................... 183
If your vehicle has to be stopped in an emergency .............................397
Starting the hybrid system .............. 183
Illuminated entry system .................... 306
Immobilizer system..................................74
Indicators .................................................... 84
Initialization Items to initialize................................. 507
Maintenance.........................................344
Moon roof .............................................. 164
Power windows ..................................... 161
Tire pressure warning system................................367
Initiators (tire pressure warning system)................................. 373
Inside door handle lights ................... 304
Inside rear view mirror .........................154
Instrument panel light control ..............91
Interior lights........................................... 304
Intuitive parking assist
*
Function*
Warning message .............................. 410 Jack
Positioning a floor jack.................... 352
Vehicle-equipped jack ................... 442
Jack handle ................................................. 442
Jam protection function Moon roof ...............................................164
Power trunk opener and closer ........................................... 130
Power windows................................... 160
Keyless entry ............................................ 135 Smart access system with push-button start....................135
Wireless remote control.................. 122
Keys .............................................................. 118 Battery-saving function .................... 137
Electronic key ......................................... 118
Engine switch ........................................182
If the electronic key does not operate properly ........ 454
If you lose your keys.................... 119, 121
Key number plate ................................. 118
Keyless entry ................................122, 135
Mechanical key...................................... 119
Power switch .........................................182
Replacing the battery ...................... 382
Warning buzzer...................................136
Wireless remote control key ......... 122
Knee airbags ............................................. 35
IJ
K
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.