start stop button Lexus GS450h 2007 Scheduled Maintenance Guide / LEXUS 2007 GS450H FROM JULY 2006 PROD. OWNER'S MANUAL (OM30A05U)

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1-1. Hybrid system
■Hybrid battery air vent
Hybrid battery air vent
There is an air intake vent on the
package tray for the purpose of
cooling the hybrid battery (trac-
tion battery). If the vent becomes
blocked, the hybrid battery may
overheat, leading to a reduction in
hybrid battery output.
Emergency shut off system
The emergency shut off system blocks off the high voltage current and
stops the fuel pump to minimize the risk of el ectrocution and fuel leakage
when a certain level of impact is detected by the impact sensor. If the
emergency shut off system activates, yo ur vehicle will not restart. To
restart the hybrid system, contact your Lexus dealer.
Energy monitor/consumption screen
You can view the status of your h ybrid system on the multi-information
display ( P. 119) and the touch screen ( P. 184). The following images
are examples only, and may vary slightly from actual conditions.
■ Energy monitor
●How to display on the touch screen:
Press .
Touch on the “Information” screen.
If the “Consumption” screen is displayed, touch .
●How to display on the multi-information display:
Push the button several times to select the energy moni-
tor display.
STEP1
STEP2
STEP1

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1
Before driving
1-3. Opening, closing and locking the doors and trunk
Smart access system with push-button start
The following operations can be performed simply by carrying the elec-
tronic key, for example in your pocket.
Locks and unlocks the doors ( P. 1 4 )
Unlocks the trunk ( P. 1 4 )
Starts and stops the hybrid system ( P. 103)

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1
1-7. Theft deterrent system
Before driving
Alarm
Deactivating or stopping the alarmDo one of the following:
● Unlock the doors or trunk using the smart access system with push-
button start or the wireless remote control.
● Start the hybrid system. (The alarm wi ll be deactivated or stopped after
a few seconds.)
■Items to check before locking the vehicle
To prevent unintended triggering of the alar m, check that there is no one in the vehi-
cle, and that all windows and moon roof are closed before locking the vehicle.
The alarm warns of forcible entry using the horn and lights.
To arm the alarm, exit the vehi-
cle, make sure that the doors,
trunk and hood are closed, and
lock all the doors.
The system will operate auto-
matically once the indicator
changes from lit to flashing.

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2-4. Using other driving systems
To disable TRACIf the vehicle gets stuck in fresh sn ow or mud, TRAC may reduce power
from the engine to the wheels. You may need to turn the system off to
enable you to rock the vehicle in order to free it.
Push the button to turn off TRAC.
The slip indicator light should come
on.
Push the button again to turn the
system back on.
Once you turn the power switch
“OFF”, TRAC will be activated
automatically.
■Automatic TRAC reactivation
TRAC is reactivated when vehicle speed exceeds 30 mph (50 km/h) even if
“TRAC OFF” has been turned off.
■Sounds and vibrations caused by the ABS, BA, VSC, TRAC, hill-start assist con-
trol and VGRS systems
●A sound may be heard from the engine compartment when the hybrid system is
started or just after the vehicle begins to move. This sound does not indicate that
a malfunction has occurred in any of these systems.
●Any of the following conditions may occur when the above systems are operat-
ing. None of these indicates that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
• The brake pedal may pulsate slightly after the ABS is activated.
• The brake pedal may move down slightly after the ABS is activated.
■Hill-start assist control is operational when
●The shift lever is in the “D” or “S”.
●The brake pedal is not depressed.

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3-7. Other interior features
Advisor record■ Recording a conversation with an advisor
Press the button to record a co nversation. To stop recording,
press the button again.
• Up to 2 minutes of recording time is available.
• Recording a new conversation deletes the previously recorded conversation.
■Playing the recorded conversation
Press the or button.
Say “Advisor playback”.
Press the button again to stop the playback.
To restart the playback, press the button, say “Advisor playback”
and then select either of the following methods.
• Say “Resume” to resume the playback.
• Say “Play” to start from the beginning.
Personal calling
The hands-free personal calling featur e can be added to the Lexus Link
System as an option. You can purchase a package of minutes that works
best for you. As you make and receive calls, minutes are deducted from
your plan. They are easily billed to a credit card that is kept on file so no
separate phone bill is needed.
Personal calling universal voice recognition commands:
• “Help” The system will provide a list of available commands.
• “Clear” When you are entering digits, this command will erase the last
digit entered.
• “Cancel” This command takes you from the current function to the “Lexus
Link ready” prompt. If the last response from the system was “Lexus Link
ready”, this command will exit voice mode.
STEP1
STEP2

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4-3. Do-it-yourself maintenance
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Maintenance and care
FuseAmpereCircuit
10ACC7. 5
Audio system, smart access system
with push-button start, touch screen,
rear view monitor system, Lexus Link
System ECU
11IGN10
Smart access system with push-but-
ton start, SRS airbag system, stop-
lights, hybrid system, steering lock
system, electronically controlled
brake system, Lexus Link System
ECU, front passenger occupant clas-
sification system ECU
12GAUGE7. 5Gauges and meters
13STR LOCK25Steering lock system
14SECURITY7. 5Smart access system with push-but-
ton start
15TI & TE20Electric tilt and telescopic steering
16AM17. 5
17STOP SW7. 5Stoplights, shift lock system
18OBD7. 5On-board diagnosis system
19FR P/SEAT RH30Po w e r s e a t