stop start Lexus GS350 2008 Using the audio system / LEXUS 2008 GS460/350 (OM30A87U) Owner's Guide

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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.
STEP1
STEP2
STEP3
STEP1
STEP2
STEP1
STEP2
STEP3
STEP4
STEP5
STEP1
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2-1. Driving procedures
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When driving
GS_G_U
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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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.
STEP1
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STEP3
STEP4

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May 13, 2008 5:14 pm
■Changing “ENGINE START STOP” switch mode
Modes can be switched by pressing the “ENGINE START STOP” switch
when carrying the electronic key on your person. (The engine can be
started in any mode by operating the switch at the same time as depressing
the brake pedal.)
OFF*
Emergency flashers can be
used.
ACCESSORY mode
Some electrical components
such as the audio system can be
used.
The “ENGINE START STOP”
switch indicator turns amber.
IGNITION ON mode
All electrical components can
be used.
The “ENGINE START STOP”
switch indicator turns amber.
*: The power cannot be switched to
OFF unless the shift lever is in “P”.

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When driving
GS_G_U
May 13, 2008 5:14 pm
■If the engine does not start
The immobilizer system may not have been deactivated. (P. 7 3 )
■When the steering lock cannot be released
■When the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
■Auto power OFF function
If the vehicle is left in the ACCESSORY mode for more than an hour with the shift
lever in “P”, the “ENGINE START STOP” switch will automatically turn OFF.
■Electronic key battery depletion
P. 2 8
■When the electronic key battery is discharged
P. 4 4 0
■Conditions affecting operation
P. 2 6
■Leak detection pump
Several hours after the engine is turned off, you may hear a sound coming from
underneath the luggage compartment for several minutes. This is normal operation
and does not indicate a malfunction.
The green indicator light on the “ENGINE
START STOP” switch will flash and a mes-
sage will be shown on the multi-information
display. Press the “ENGINE START STOP”
switch again while turning the steering wheel
left and right.

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2-1. Driving procedures
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May 13, 2008 5:14 pm
CAUTION
■When starting the engine
Always start the engine while sitting in the driver’s seat. Do not press the accelera-
tor pedal while starting the engine under any circumstances. 
Doing so may cause an accident resu lting in death or serious injury.
■Stopping the engine in an emergency
If you want to stop the engine in an emergency while driving the vehicle, push and
hold the “ENGINE START STOP” switch for more than 3 seconds. 
However, do not touch the “ENGINE START STOP” switch while driving except in
an emergency. If the engine stops while the vehicle is being driven, this could lead to
an unexpected accident.
NOTICE
■To prevent 12 volt battery discharge
Do not leave the “ENGINE START STOP” switch in ACCESSORY or IGNITION
ON mode for long periods if the engine is not running.
■When starting the engine
●Do not race the engine.
●If the engine becomes difficult to start or stalls frequently, have the engine
checked immediately.

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When driving
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May 13, 2008 5:14 pm
Automatic transmission
Select a shift position appropriate for the driving conditions.
■Shifting the shift lever
While the “ENGINE START STOP ” switch is in IGNITION
ON mode, depress the brake pedal and move the shift lever.
■ Shift position uses
*1: To improve fuel consumption and reduce noises, set the shift lever in the
“D” position for normal driving.
*
2: By selecting shift ranges using “S” mode, you can control engine braking
forces.
Shift positionFunction
PParking the vehicle or starting the engine
RReversing
NNeutral
DNormal driving*1
S“S” mode driving*2 (  P. 1 2 7 )

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■Shift ranges and their functions
●You can choose from 8 levels (GS460) or 6 levels (GS350) of
engine braking force.
● A lower shift range will provide gr eater engine braking force than a
higher shift range, and the engine revolutions will also increase.
● If you accelerate while in ranges “1” to “7” (GS460) or “1” to “5”
(GS350), the shift range may auto matically range up in accordance
with the vehicle’s speed.
■“S” mode
When the shift range is “6” (GS460) or “4” (GS350) or lower, holding the shift
lever toward “+” sets the shift range to “8” (GS460) or “6” (GS350).
■Downshifting restrictions warning buzzer (in the “S” mode)
To help ensure safety and driving perfor mance, downshifting operation may some-
times be restricted. In some circumstances, downshifting may not be possible even
when the shift lever is operated. (The warning buzzer will sound twice.)
■When driving with the cruise control syst em (or dynamic radar cruise control sys-
tem)
The engine brake will not operate in the “S” mode, even when downshifting to “7”,
“6”, “5” or “4” (GS460) or “5” or “4” (GS350). ( P. 150, 153)
■Snow mode automatic deactivation
Snow mode is automatically deactivated if the “ENGINE START STOP” switch is
turned to ACCESSORY or IGNITION ON mode after driving in snow mode.
■If the shift lever cannot be shifted from “P”
P. 5 2 4

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Turn signal lever
■Turn signals can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■If the indicators flash faster than usual
Check that a light bulb in the front or rear turn signal lights has not burned out.
Left turn
Right turn
Move and hold the lever part-
way to signal a lane change
The left hand signal will flash
until you release the lever.
Move and hold the lever part-
way to signal a lane change
The right hand signal will flash
until you release the lever.