display Lexus GS300h 2017 Workshop Manual

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4-2. Driving procedures
Driving
GS450h_300h_OM_OM30F92E_(EE)
Power (ignition) switch
Press the parking brake switch to check that the parking brake is set.
(  P. 232)
Parking brake indicator will come on.
Check that the shift lever is 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 shortly and
firmly.
When operating the power switch, one
short, firm press is enough.
It is not necessary to press and hold the
switch.
If the “READY” indicator turns on, the
hybrid system will operate normally.
Continue depressing the brake pedal
until the “READY” indicator is illumi-
nated.
The hybrid system can be started from
any power switch mode.
Check that the “READY” indicator is
illuminated.
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
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2
3
4
5

2184-2. Driving procedures
GS450h_300h_OM_OM30F92E_(EE) Stop the vehicle completely.
Set the parking brake (
P. 232), and shift the shift lever to P.
Press the power switch.
Release the brake pedal and check that “POWER ON” on the multi-informa-
tion display is off.
Modes can be changed by pressing the power switch with brake pedal released.
(The mode changes each time the switch is pressed.) Off *
The emergency flashers can be used.
“POWER ON” will not be displayed on
the multi-information display.
ACCESSORY mode
Some electrical components such as the
audio system can be used.
“POWER ON” will be displayed on the
multi-information display.
ON mode
All electrical components can be used.
“POWER ON” will be displayed on the
multi-information display.
* : If the shift lever is in a position other than P when turning off the hybrid system, the
power switch will be turned to ACCESSORY mode, not to off.
Stopping the hybrid system
Changing power switch modes
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2
3
4

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4-2. Driving procedures
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Driving
GS450h_300h_OM_OM30F92E_(EE) If the hybrid system is stopped with the shift lever in a position other than P, the
power switch will not be turned off but instead be turned to ACCESSORY
mode. Perform the following procedure to turn the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that “Turn Off Vehicle” is displayed on the multi-information display
and then press the power switch once.
Check that “Turn Off Vehicle” on the multi-information display is off.
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 mi nutes 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. 79
■Electronic key battery depletion P. 136
■When the ambient temperature is low, su ch as during winter driving conditions
When starting the hybrid system, the flashing time of the “READY” indicator may be
long. Leave the vehicle as it is until the “REA DY” indicator is steady on, as steady means
the vehicle is able to move.
■Conditions affecting operation  P. 155
■Notes for the push-start function P. 157
■If the hybrid system does not start
●The immobilizer system may not have been deactivated. ( P. 85)
Contact any authorized Lexus retailer or Le xus authorized repairer, or any reliable
repairer.
●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 posi tion to Start” 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 func tion. Operating the power switch again auto-
matically cancels the steering lock.
When stopping the hybrid system with the shift lever in a position other
than P
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2
3
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2204-2. Driving procedures
GS450h_300h_OM_OM30F92E_(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 suspended 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 abou t 10 seconds, the steering lock motor will
resume functioning.
■When “Check Entry & Start System” will be displayed on the multi-information display
The system may be malfunctioning. Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable repairer immediately.
■If the “READY” indicator does not come on
In the event that the “READY” indicator does not come on even after performing the
proper procedures for starting the vehicle, contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.
■If the hybrid system is malfunctioning
 P. 466
■If the electronic key battery is depleted P. 435
■Operation of the power switch
●If the switch is not pressed shortly and firmly, the power switch mode may not change or
the hybrid system may not start.
●If attempting to restart the hybrid system immediately after turning the power switch off,
the hybrid system may not start in some cases. After turning the power switch off,
please wait a few seconds before restarting the hybrid system.
■If the smart entry & start system has be en deactivated in a customized setting
 P. 527
“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 steering wheel
left and right.

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4-2. Driving procedures
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Driving
GS450h_300h_OM_OM30F92E_(EE)
WARNING
■When starting the hybrid system
Always start the hybrid system while sittin g in the driver’s seat. Do not depress the
accelerator pedal while starting the hybrid system under any circumstances.
Doing so may cause an accident resu lting in death or serious injury.
■Caution while driving
If hybrid system failure occurs while the vehicle is moving, do not lock or open the
doors until the vehicle reaches a safe and complete stop. Activation of the steering lock
in this circumstance may lead to an accide nt, resulting in death or serious injury.
■Stopping the hybrid system in an emergency
If you want to stop the hybrid system in an emergency while driving the vehicle, press
and hold the power switch for more than 2 seconds, or press it briefly 3 times or more
in succession. ( P. 453)
However, do not touch the power switch while driving except in an emergency. Turning
the hybrid system off while driving will not cause loss of steering or braking control,
however, power assist to the steering will be lost. This will make it more difficult to steer
smoothly, so you should pull over and stop the vehicle as soon as it is safe to do so.
NOTICE
■To prevent 12-volt battery discharge
●Do not leave the power switch in ACCESSORY or ON mode for long periods of
time without the hybrid system on.
●If “POWER ON” is displayed on the multi-information display, the power switch is not
off. Exit the vehicle after turning the power switch off.
●Do not stop the hybrid system when the shift lever is in a position other than P. If the
hybrid system is stopped in another shift lever position, the power switch will not be
turned off but instead be turned to ACCESSORY mode. If the vehicle is left in
ACCESSORY mode, 12-volt battery discharge may occur.
■When starting the hybrid system
If the hybrid system becomes difficult to start, have your vehicle checked by any autho-
rized Lexus retailer or Lexus authorized repairer, or any reliable repairer immediately.
■Symptoms indicating a malfunction with the power switch
If the power switch seems to be operating so mewhat differently than usual, such as the
switch sticking slightly, there may be a malfunction. Contact any authorized Lexus
retailer or Lexus authorized repairer, or any reliable repairer immediately.

2224-2. Driving procedures
GS450h_300h_OM_OM30F92E_(EE)
EV drive mode
Turns EV drive mode on/off When EV drive mode is turned on, “EV
MODE” will be displayed on the multi-
information display. Pressing the switch
when in EV drive mode will return the
vehicle to normal driving (using the gas-
oline engine and electric motor [traction
motor]).
■Situations in which EV drive mode cannot be turned on
It may not be possible to turn EV drive mode on in the following situations. If it cannot be
turned on, a buzzer will sound and a message will be shown on the multi-information dis-
play.
●The temperature of the hybrid system is high.
The vehicle has been left in the sun, driv en on a hill, driven at high speeds, etc.
●The temperature of the hybrid system is low.
The vehicle has been left in temperatures lower than about 0 C (32 F) for a long
period of time etc.
●The gasoline engine is warming up.
●The hybrid battery (traction battery) is low.
The remaining battery level indicated in the “Energy monitor” display is low. ( P. 126)
●Vehicle speed is high.
●The accelerator pedal is depressed firmly or the vehicle is on a hill etc.
●The windshield defogger is in use.
In EV drive mode, electric power is s upplied by the hybrid battery (traction
battery), and only the electric motor (tra ction motor) is used to drive the vehi-
cle.
This mode allows you to dr ive in residential areas early in the morning and late
at night, or in indoor parking lots etc. without concern for noises and gas emis-
sions.

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4-2. Driving procedures
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Driving
GS450h_300h_OM_OM30F92E_(EE)
■Switching to EV drive mode wh en the gasoline engine is cold
If the hybrid system is started while the gaso line engine is cold, the gasoline engine will
start automatically in order to warm up. In th is case, you will become unable to switch to
EV drive mode.
■Automatic cancelation of EV drive mode
When driving in EV drive mode, the gasoline engine may automatically restart in the fol-
lowing situations. When EV drive mode is can celed, a buzzer will sound and the EV drive
mode indicator will flash and go off.
●The hybrid battery (traction battery) becomes low.
The remaining battery level indicated in the “Energy monitor” display is low. ( P. 126)
●Vehicle speed is high.
●The accelerator pedal is depressed firmly or the vehicle is on a hill etc.
When it is possible to inform the driver of automatic cancelation in advance, a prior
notice screen will appear on the multi-information display.
■Possible driving distance when driving in EV drive mode
EV drive mode’s possible driving distance ranges from a few hundred meters t o approxi-
mately 1 km (0.6 mile). However, dependin g on vehicle conditions, there are situations
when EV drive mode cannot be used.
(The distance that is possible depends on the hybrid battery [traction battery] level and
driving conditions.)
■Fuel economy
The hybrid system is designed to achieve the best possible fuel economy during normal
driving (using the gasoline engine and electr ic motor [traction motor]). Driving in EV
drive mode more than necessary may lower fuel economy.
To prevent gasoline engine warm up in order to
reduce noises, start the hybrid system without
starting the gasoline engine, pressing the power
switch with fully depressing the brake pedal and
pressing the EV drive mode switch.
WARNING
■Caution while driving
When driving in EV dr
ive mode, pay special attention to the area around the vehicle.
Because there is no engine noise, pedestrian s, people riding bicycles or other people
and vehicles in the area may not be aware of the vehicle starting off or approaching
them, so take extr a care while driving.

2264-2. Driving procedures
GS450h_300h_OM_OM30F92E_(EE) To drive using temporary shift range selection, operate the “-” or “+” paddle shift
switch.
When the “-” paddle shift switch is operated, the shift range will be downshifted
to a range that enables engine braking force that is suitable to driving conditio
ns.
When the “+” paddle shift switch is operated, the shift range will be one gear
upper than the gear in use during normal D position driving.
Changing the shift range allows restriction of the highest shift range, preventing
unnecessary upshifting and enabling th e level of engine braking force to be
selected.
Upshifting
Downshifting
GS450h:
The selected shift range, from D1 to D8,
will be displayed in the meter.
GS300h:
The selected shift range, from D1 to D6,
will be displayed in the meter.
To return to normal D position driving,
the “+” paddle shift switch must be held
down for a period of time.
■Shift ranges and their functions
A lower shift range will provide greater engi ne braking forces than a higher shift
range.
Selecting shift ranges in the D position
1
2
Meter displayFunctionGS450hGS300h
D2-D8D2-D6
A gear in the range between D1 and the selected shift
range is automatically chosen depending on vehicle speed and driving conditions
D1Setting the shift range at D1

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4-2. Driving procedures
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Driving
GS450h_300h_OM_OM30F92E_(EE) To enter S mode, shift the shift lever to S. Shift ranges can be selected by operat-
ing the shift lever or paddle shift switches, allowing you to drive in the shift rang
e
of your choosing.
Upshifting
Downshifting
GS450h:
The selected shift range, from S1 to S8,
will be displayed in the meter.
The initial shift range in S mode is auto-
matically set to between S2 and S6
according to vehicle speed.
GS300h:
The selected shift range, from S1 to S6,
will be displayed in the meter.
The initial shift range in S mode is auto-
matically set to between S2 and S5
according to vehicle speed.
■Shift ranges and their functions ● GS450h: You can choose from 8 levels of accelerating force and engine
braking force.
GS300h: You can choose from 6 levels of accelerating force and engine
braking force.
● A lower shift range will provide greater accelerating force and engine
braking force than a higher shift range, and the engine revolutions will also
increase.
● GS450h: If you accelerate while in ranges 1 to 7, the shift range may auto-
matically range up in accordance with the vehicle’s speed.
GS300h: If you accelerate while in ranges 1 to 5, the shift range may auto-
matically range up in accordance with the vehicle’s speed.
Selecting shift ranges in the S position
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2

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4-2. Driving procedures
Driving
GS450h_300h_OM_OM30F92E_(EE)
Brake Hold
Turns the brake hold system onThe brake hold standby indicator
(green) comes on. While the system is
holding the brake, the brake hold oper-
ated indicator (yellow) comes on.
■Brake hold system operating conditions
The brake hold system cannot be turn ed on in the following conditions:
●The driver’s door is not closed.
●The driver is not wearing the seat belt.
●“EPB Activation Stopped Incompletely” or “Electronic Parking Brake Malfunction Visit
Your Dealer” is displayed on the multi-information display.
If any of the conditions above are detected when the brake hold system is enabled, the
system will turn off and the brake hold standby indicator light will go off. In addition, if any
of the conditions are detected while the sy stem is holding the brake, a warning buzzer
will sound and a message will be shown on th e multi-information display. The parking
brake will then be set automatically.
■Brake hold function
●If the brake pedal is left released for a pe riod of about 3 minutes after the system has
started holding the brake, th e parking brake will be set automatically. In this case, a
warning buzzer sounds and a message is shown on the multi-information display.
●To turn the system off while the system is holding the brake, firmly depress the brake
pedal and press the button again.
●The brake hold function may not hold the vehicle when the vehicle is on a steep incline.
In this situation, it may be necessary for the driver to apply the brakes. A warning
buzzer will sound and the multi-information disp lay will inform the driver of this situa-
tion. ( P. 466)
The brake hold system keeps the brake appl ied when the shift lever is in D, S or
N with the system on and the brake peda l has been depressed to stop the vehi-
cle. The system releases the brake when the accelerator pedal is depressed
with the shift lever in D or S to allow smooth start off.