light Lexus GS450h 2007 Hybrid system / LEXUS 2007 GS450H FROM JULY 2006 PROD. (OM30A05U) User Guide

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CAUTION
■General precautions while driving
Driving under the influence: Never drive your vehicle when under the influence of
alcohol or drugs that have impaired your ability to operate your vehicle. Alcohol
and certain drugs delay reaction time, im pair judgment and reduce coordination,
which could lead to an accident that will hurt or kill you, your occupants or others.
Defensive driving: Always drive defensively. Anticipate mistakes that other drivers
or pedestrians might make and be ready to avoid accidents.
Driver distraction: Always give your full at tention to driving. Anything that distracts
the driver, such as adjusting controls, ta lking on a cellular phone or reading can
result in a collision with resulting death or serious injury to you, your occupants or
others.
■When children are in the vehicle
Never leave children unattended in the vehicle.
When left unattended, children may be able to start the vehicle or shift the vehicle
into neutral. There is also a danger that children may injure themselves by playing
with the cigarette lighter, the windows, the moon roof, or other features of the vehi-
cle. In addition, heat build-up or extremel y cold temperatures inside the vehicle can
be fatal to children.
■Dispose of the hybrid battery (traction battery)
If your vehicle is disposed of without the hybrid battery having been removed, there
is a danger of serious electric shock if high voltage parts, cables and their connec-
tors are touched. In the event of that your vehicle must be disposed of, the hybrid
battery must be disposed of your Lexus dealer or a qualified service shop. If the
hybrid battery is not disposed of properly , they may cause electric shock that can
result in death or serious injury.

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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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1-1. Hybrid system
1
Before driving
■If a warning light comes on or a warning message is displayed, or the 12 volt bat-
tery is disconnected
The hybrid system may not start. In that case, try to start the sy stem again. If the
“READY” light does not come on, contact your Lexus dealer.
CAUTION
■High voltage precautions
The vehicle has high voltage DC and AC systems as well as a 12 volt system. DC
and AC high voltage is very dangerous and can cause severe burns and electric
shock that may result in death or serious injury.
●Never touch, disassemble, remove or replace the high voltage parts, cables and
their connectors.
●The hybrid system will become hot after starting as the system uses high voltage.
Be careful of both the high voltage and the high temperature, and always obey
the caution labels attached to the vehicle.
●Never try to open the service plug acce ss hole located in the luggage compart-
ment. The service plug is used only when the vehicle is serviced and is subject to
high voltage.
■Nickel-metal hydride battery
Your vehicle contains a sealed nickel-metal hydride battery. If disposed of improp-
erly, it is hazardous to the environment and there is a risk of severe burns and elec-
trical shock that may result in death or serious injury.
■Emergency shut off system
●Carefully check to see if there are exposed high voltage parts or cables. Never
touch the parts or cables. (
P. 5 )
●Carefully inspect the ground under the vehicle. If you find that liquid has leaked
onto the ground, the fuel system may have been damaged. Leave the vehicle as
soon as possible.

12
1-2. Key information
NOTICE
■To prevent key damage
●Do not disassemble the electronic key.
●Do not bend the keys, expose them to high temperatures by placing them in
direct sunlight, or get them wet.
●Do not expose the keys to electromagneti c materials or attach any material that
blocks electromagnetic wa ves to the key surface.

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1-3. Opening, closing and locking the doors and trunk
1
Before driving
■Tr u n k l i d c l o s e r
In the event that the trunk lid is left slightly open (not latched properly), the trunk
easy closer will automatically close it to the fully closed position.
■Tr u n k l i g h t
When the trunk light switch is set to ON, the trunk light turns on when the trunk is
opened.
■Tr u n k h a n d l e
■Internal trunk release lever
■Using the mechanical key
The trunk can be also opened using the mechanical key. ( P. 4 74 )
ON
OFF
Use the trunk handle when closing the trunk.
The trunk lid can be opened by pulling down
on the glow-in-the-dark lever located on the
inside of trunk lid.
The lever will continue to glow for some time
after the trunk lid is closed.

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1-4. Adjustable components
Pre-collision seat belts (front seats of vehicles with pre-collision system)When the pre-collision sensor detects an obstacle and determines that a
collision is unavoidable, the seat belt s lessen collision injury by retracting
the slack in the front seat belts befo re the collision, thus restraining the
driver and passenger at an earlier stage. 
The seat belts will also operate in the event of sudden braking. ( P. 1 6 9 )
■Emergency locking retractor (ELR)
The retractor will lock the belt during a sudd en stop or on impact. It may also lock if
you lean forward too quickly. A slow, easy motion will allow the belt to extend, and
you can move around fully.
■Automatic locking retractor (ALR)
When a passenger's shoulder belt is completely extended and then retracted even
slightly, the belt is locked in that position and cannot be extended. This feature is
used to hold the child restraint system (CRS) firmly. To free the belt again, fully
retract the belt and then pull the belt out once more. ( P. 8 9 )
■Pregnant women
Obtain medical advice and wear the seat belt
in the proper way. ( P. 4 0 )
Women who are pregnant should position
the lap belt as low as possible over the hips in
the same manner as other occupants. Extend
the shoulder belt completely over the shoul-
der and position the belt across the chest.
Avoid belt contact over the rounding of the
abdominal area.
If the seat belt is not worn properly, not only a
pregnant woman, but also the fetus could suf-
fer death or serious injury as a result of sud-
den braking or a collision.

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1
1-4. Adjustable components
Before driving
Inside rear view mirror
■To prevent sensor error
CAUTION
■Caution while driving
Do not adjust the position of the mirror.
Doing so may lead to mishandling of the vehicle and an accident, or resulting in
death or serious injury.
In the “AUTO” mode, sensors are used to detect the headlights of vehicles
behind and automatically re duces the reflected light.
Turns “AUTO” mode on/off
The indicator comes on when
“AUTO” mode is turned ON.
The mirror is automatically set
to “AUTO” whenever the power
switch is turned ON.
To ensure correct functioning of the sensors,
do not touch or cover the sensors.

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1-4. Adjustable components
Outside rear view mirrors
Folding the mirrorsPress the switch
Pressing again will extend the mir-
rors.
Mirror angle can be adjusted using the switch when the power switch is in
“ACC” or “IG-ON” mode.
Select the mirror to adjust
(“L”: left or “R”: right)
Adjust the mirror up, down,
in, or out using the switch
■When the mirrors are fogged up
Turn on the mirror heaters to defog the mirrors. ( P. 1 9 9 )
■Auto anti-glare function
When the inside rear view mirror is set to “AUTO” mode, the outside rear view mir-
rors will activate in conjunction with the inside rear view mirror to reduce reflected
light. ( P. 4 7 )

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1-5. Opening and closing the windows and moon roof
1
Before driving
■Operating the power windows after turning the power switch “OFF”
The power windows can be operated for approximately 45 seconds even after the
power switch is switched to “ACC” mode or turned “OFF”. They cannot, however,
be operated once the driver’s or front passenger’s door is opened.
■Jam protection function
If an object becomes caught between th e window and the window frame, window
travel is stopped and the window is opened slightly.
■When the 12 volt battery is disconnected
The power windows must be initialized in order to ensure proper operation. 
(Perform for each window with the switch for each seat.)
Open the window halfway.
Fully close the window by pulling the switch up and continue holding the
switch for 1 second.
The indicator on the switch changes from a flashing pattern to being on when initial-
izing are complete.
■Customization
Settings (e.g. linked door lock operation) can be changed. ( P. 5 1 2 )
CAUTION
■When closing the windows
Observe the following precautions. 
Failing to do so may result in death or serious injury.
●Check to make sure that all passengers do not have any part of their body in a
position where it could be caught when a window is being operated.
●Do not allow children to operate the power windows. 
Closing a power window on someone can cause death or serious injury.
■Jam protection function
●Never try jamming any part of your body to activate the jam protection function
intentionally.
●The jam protection function may not work if something gets caught just before
the window fully closes.
STEP1
STEP2

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1-5. Opening and closing the windows and moon roof
Moon roof (if equipped)
Use the overhead switches to open, close, and tilt the moon roof up and
down.
■Opening and closing
Open
Stops just before it is opened
fully. Press the switch again to
fully open.
Close
To stop partway, press the switch
lightly.
■Tilt up and down
Ti l t u p
Tilt down
To stop partway, press the switch
lightly.