Page 252 of 1014
2464-2. Driving procedures
GS450h_300h_OM_OM30D53E_(EE)
Power (ignition) switch
Check that the parking brake is set.
Check that the shift lever is set in P.
Firmly depress the brake pedal.
will be displayed on the multi-information display.
If it is not displayed, the hybrid system cannot be started.
Press the power switch.
Continue depressing the brake
pedal until the hybrid system is
completely started.
The hybrid system can be started
from any power switch mode.
Check that the “READY” indicator is on.
The vehicle will not move when the “READY” indicator is off.
Performing the following operations when carrying the electronic
key on your person starts the hybrid system or changes power
switch modes.
Starting the hybrid system
1
2
3
4
5
Page 256 of 1014

2504-2. Driving procedures
GS450h_300h_OM_OM30D53E_(EE)
Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or ON
mode (the hybrid system is not operating) for more than an hour with the
shift lever in P, the power switch will automatically turn off. However, this
function cannot entirely prevent 12-volt battery discharge. Do not leave the
vehicle with the power switch in ACCESSORY or ON mode for long periods
of time when the hybrid system is not operating.
Sounds and vibrations specific to a hybrid vehicle
P. 8 3
Electronic key battery depletion
P. 1 5 4
When the ambient temperature is low, such as during winter driving condi-
tions
It may take time until the “READY” indicator comes on.
Conditions affecting operation
P. 1 5 0
Notes for the push-start function
P. 1 5 3
If the hybrid system does not start
The immobilizer system may not have been deactivated. (P. 9 1 )
Contact any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
Check that the shift lever is securely set in P. The hybrid system may not
start if the shift lever is displaced out of P. “Shift to P position when Start-
ing” will be displayed on the multi-information display.
Steering lock
After turning the power switch off and opening and closing the doors, the
steering wheel will be locked due to the steering lock function. Operating the
power switch again automatically cancels the steering lock.
Page 257 of 1014

2514-2. Driving procedures
4
Driving
GS450h_300h_OM_OM30D53E_(EE)
When the steering lock cannot be released
Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the hybrid system is turned on and off repeatedly in a short period
of time. In this case, refrain from operating the hybrid system. After about 10
seconds, the steering lock motor will resume functioning.
When “Check Entry & Start System” will be displayed on the multi-informa-
tion display
The system may be malfunctioning. Have the vehicle inspected by any
authorized Lexus dealer or repairer, or another duly qualified and equipped
professional immediately.
If the “READY” indicator does not come on
If the “READY” indicator does not come on when you press the power
switch with the shift lever in P and the brake pedal depressed, contact any
authorized Lexus dealer or repairer, or another duly qualified and equipped
professional immediately.
If the hybrid system is malfunctioning
P. 8 4 0
If the electronic key battery is depleted
P. 9 0 2
Operation of the power switch
When operating the power switch, one short, firm press is enough. If the
switch is pressed improperly, the hybrid system may not start or the power
switch mode may not change. It is not necessary to press and hold the
switch.
If attempting to restart the hybrid system immediately after turning the
power switch off, the hybrid system may not start in some cases. After turn-
ing the power switch off, please wait a few seconds before restarting the
hybrid system.
If the smart entry & start system has been deactivated in a customized setting “Steering Lock active” will be displayed
on the multi-information display.
Check that the shift lever is set in P. Press
the power switch while turning the steer-
ing wheel left and right.
Page 466 of 1014
4495-1. Remote Touch screen
5
Interior features
GS450h_300h_OM_OM30D53E_(EE)
Letters and numbers can be input via the screen.
To input letters and numbers/symbols
Select the keys directly to enter letters, numbers or symbols.
, :Select to erase one character. Select and hold to con-
tinue erasing characters.
: To change letters, numbers or symbols
, : To display other symbols
: To enter in lower case
: To enter in upper case
Inputting letters and numbers/list screen operation
Letters and numbersSymbols
Page 467 of 1014
4505-1. Remote Touch screen
GS450h_300h_OM_OM30D53E_(EE)
To change character and keyboard type
Select on the screen.
Select desired character and
keyboard and select “OK”.
Selecting a character type
1
2
“A-Z” type type
type type
Page 468 of 1014
4515-1. Remote Touch screen
5
Interior features
GS450h_300h_OM_OM30D53E_(EE)
Selecting a keyboard type
“0-9-%” type
“ABCDE” type“QWERTY” type
“AZERTY” type
Page 469 of 1014
4525-1. Remote Touch screen
GS450h_300h_OM_OM30D53E_(EE)
List screen operation
When a list is displayed, use
the appropriate screen button
to scroll through the list.
: Select to skip to the next or
previous page. Select and hold
or to scroll through the dis-
played list.
: This indicates the displayed
screen’s position.
: If appears to the right of
an item name, the complete name
is too long for the display. Select
to scroll to the end of the name.
Select to move to the beginning
of the name.
If you select
The display returns to the previous screen.
Selecting a character type
Depending on the conditions data is being input, it may not possible to
change keyboard characters.
Page 509 of 1014

4915-2. Using the air conditioning system and defogger
5
Interior features
GS450h_300h_OM_OM30D53E_(EE)
Registering air conditioning settings to electronic keys
Unlocking the vehicle using an electronic key and turning the power switch
to ON mode will recall that key’s registered air conditioning settings.
When the power switch is turned off, the current air conditioning settings
will automatically be registered to the electronic key that was used to
unlock the vehicle.
The system may not operate correctly if more than one electronic key is in
the vicinity or if the smart entry & start system is used to unlock a passenger
door.
Settings for the electronic key and the corresponding door can be changed.
Contact any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
Using automatic mode
Fan speed is adjusted automatically according to the temperature setting and
the ambient conditions.
Therefore, the fan may stop for a while until warm or cool air is ready to flow
immediately after is pressed.
Humidity sensor
Fogging up of the windows
The windows will easily fog up when the humidity in the vehicle is high.
Selecting on will dehumidify the air from the outlets and defog the
windshield effectively.
If you turn off, the windows may fog up more easily. A sensor, which detects humidity inside
the vehicle and the temperature of the
windshield, is provided to detect fog on
the front windscreen. Due to the sensor,
when automatic mode is set the air condi-
tioning may make the following controls:
Changing the amount of air flow
Changing the amount of air introduced
from outside when in outside air mode
with the air vents in the position
Changing the settings of the air vents to
when the is set