2008 Lexus GS350 stop start

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1-4. Opening and closing the windows and moon roof
GS_G_U
May 13, 2008 5:14 pm
■The moon roof can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■Linked door lock moon roof operation
●The moon roof can be opened and closed using the mechanical key. (P. 5 2 6 )
●The moon roof can be opened using the wireless remote control. ( P. 3 4 )
●The moon roof can be closed using the smart access system with push-button
start. ( P. 2 2 )
■Operating the moon roof after turning the “ENGINE START STOP” switch OFF
The moon roof can be operated for ap proximately 45 seconds even after the
“ENGINE START STOP” switch is switched to ACCESSORY mode or turned
OFF. It cannot, however, be operated once the driver’s door is opened.
■Jam protection function
If an object is detected between the moon roof and the frame while closing or tilting
down, travel is stopped and the moon roof opens slightly.
■If the moon roof cannot be closed automatically
Keep the close switch depressed.
■To reduce moon roof wind noise
Drive with the moon roof opened automati cally ( just before fully opened position).
■Sunshade
The sunshade can be opened and closed manually. However, the sunshade will
open automatically when the moon roof is opened.
■Customization that can be configured at Lexus dealer
Settings (e.g. linked door lock operation) can be changed. 
(Customizable features P. 5 7 1 )

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GS_G_U
May 13, 2008 5:14 pm
1-5. Refueling
Opening the fuel tank cap
Perform the following steps to open the fuel tank cap.
■Before refueling the vehicle
Turn the “ENGINE START STOP” sw itch OFF and ensure that all
the doors and windows are closed.
■ Opening the fuel tank cap
Press the fuel filler door opener
switch.
Turn the fuel tank cap slowly to
open.
Hang the fuel tank cap on the
back of the fuel filler door.
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1
Before driving
GS_G_U
May 13, 2008 5:14 pm
1-6. Theft deterrent system
Immobilizer system
■System maintenance
The vehicle has a maintenance-free type of immobilizer system.
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object.
●If the key is in close proximity to or touching a key to the security system (key
with a built-in transponder chip) of another vehicle.
■Certifications for the immobilizer system For vehicles sold in the U.S.A.
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
The vehicle’s keys have built-in tran sponder chips that prevent the engine
from starting if the key has not been previously registered in the vehicle’s
on-board computer. 
Never leave the keys inside the vehicle when you leave the vehicle.
The indicator light flashes after
the “ENGINE START STOP”
switch has been turned OFF to
indicate that the system is oper-
ating.
FCC ID: NI4TMIMB-1

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1
1-6. Theft deterrent system
Before driving
GS_G_U
May 13, 2008 5:14 pm
Alarm
The system sounds the alarm and flashes lights when forcible entry is
detected.
■Triggering of the alarm
The alarm is triggered in the following situations.
●A locked door or trunk is unlocked or opened in any way other
than using the smart access system with push-button start, wire-
less remote control or mechanical key. (The doors will lock again
automatically.)
● The hood is opened while the vehicle is locked.
■ Setting the alarm system
Close the doors, trunk and
hood, and lock all doors.
The system will be set automati-
cally after 30 seconds.
The indicator light changes from
being on to flashing when the
system is set.
■Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm.
●Unlock the doors or trunk.
● Turn the “ENGINE START STOP” switch to the ACCESSORY or
IGNITION ON mode. (The alarm will be deactivated or stopped
after a few seconds.)

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GS_G_U
May 13, 2008 5:14 pm
2-1. Driving procedures
Driving the vehicle
Starting on a steep inclineFirmly set the parking brake and shift the shift lever to “D”.
Gently depress the accelerator pedal.
Release the parking brake.
The following procedures should be observed to ensure safe driving.
■ Starting the engine ( P. 121)
■ Driving
With the brake pedal depressed, shift the shift lever to “D”. 
( P. 125)
Release the parking brake. ( P. 1 3 1 )
Gradually release the brake peda l and gently push the accel-
erator pedal to accelerate the vehicle.
■ Stopping
With the shift lever in “D”, push the brake pedal.
If necessary, set the parking brake.
When the vehicle is stopped for an extended period of time, shift the
shift lever to “P”. (
P. 1 2 5 )
■Parking the vehicle
With the shift lever in “D”, push the brake pedal.
Set the parking brake. ( P. 1 3 1 )
Shift the shift lever to “P”. ( P. 125)
Stop the engine.
Lock the door, making sure that you have the electronic key on
your person.
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2-1. Driving procedures
2
When driving
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May 13, 2008 5:14 pm
■Driving in the rain
●Drive carefully when it is raining, because visibility will be reduced, the windows
may become fogged-up, and the road will be slippery.
●Drive carefully when it starts to rain, be cause the road surface will be especially
slippery.
●Refrain from high speeds when driving on an expressway in the rain, because
there may be a layer of wate r between the tires and the road surface, preventing
the steering and brakes from operating properly.
■Breaking in your new Lexus
To extend the life of the vehicle, the following precautions are recommended to
observe:
●For the first 186 miles (300 km): 
Avoid sudden stops.
●For the first 621 miles (1000 km):
• Do not drive at extremely high speeds.
• Avoid sudden acceleration.
• Do not drive continuously in the low range in the “S” position.
• Do not drive at a constant speed for extended periods.
■Operating your vehicle in a foreign country
Comply with the relevant vehicle registration laws and confirm the availability of the
correct fuel. ( P. 5 4 3 )
■When starting on an incline
The hill-start assist control may operate. ( P. 1 8 4 )

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2-1. Driving procedures
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May 13, 2008 5:14 pm
CAUTION
■When starting the vehicle
Always keep your foot on the brake pedal while stopped with the engine running.
This prevents the vehicle from creeping.
■When driving the vehicle
●Do not drive if you are unfamiliar with the location of the brake and accelerator
pedals to avoid depressing the wrong pedal.
• Accidentally depressing the accelerator pedal instead of the brake pedal will result in sudden acceleration that may lead to an accident that could result in
death or serious injury.
• When backing up, you may twist your body around, leading to a difficulty in
operating the pedals. Make sure to operate the pedals properly.
• Make sure to keep a correct driving posture even when moving the vehicle only slightly, allowing you to depress the brake and accelerator pedals prop-
erly.
• Depress the brake pedal using your right foot. Depressing the brake pedal using your left foot may delay response in an emergency, resulting in an acci-
dent.
●Do not drive the vehicle over or stop the vehicle near flammable materials. 
The exhaust system and exhaust gases ca n be extremely hot. This may cause a
fire if there is any flammable material nearby.
●Do not let the vehicle roll backwards while the shift lever is in a driving position, or
roll forward while the shift lever is in “R”. 
Doing so may cause the engine not to oper ate or lead to poor brake and steering
performance, resulting in an accident or damage to the vehicle.
●If the smell of exhaust is noticed inside the vehicle, open the windows and check
that the trunk is closed. 
Large amounts of exhaust in the vehicle can cause driver drowsiness and an acci-
dent, resulting in death or a serious health hazard. Have the vehicle inspected by
your Lexus deal er immediately.
●Do not under any circumstances shift the shift lever to “P”, “R” or “N” while the
vehicle is moving. 
Doing so can cause significant damage to the automatic transmission and may
result in a loss of vehicle control.

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2-1. Driving procedures
2
When driving
GS_G_U
May 13, 2008 5:14 pm
Engine (ignition) switch
■Starting the engine
Check that the parking brake is set.
Check that the shift lever is set in “P”.
Sit in the driver’s seat and firmly depress the brake pedal.
The “ENGINE START STOP” switch indicator turns green.
Press the “ENGINE START
STOP” switch.
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