2008 Lexus GS350 Using the audio system / LEXUS 2008 GS460/350 OWNER'S MANUAL (OM30A87U)

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2-1. Driving procedures
2
When driving
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■If the indicator does not come on even after shifting the shift lever to “S”
This may indicate a malfunction in the automatic transmission. Have the vehicle
inspected by your Lexus dealer immediately. 
(In this situation, the vehicle will operate as if the shift lever is in “D”.)
■AI-SHIFT
The AI-SHIFT automatically shifts the gear to the optimal position according to the
driver’s input and driving conditions.
GS460: The AI-SHIFT automatically operates when the shift lever is in the “D” or
“S” position.
GS350: The AI-SHIFT automatically operat es when the shift lever is in the “D”
position. (Shifting the shift lever to the “S” position cancels the function.)

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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.

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2-1. Driving procedures
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When driving
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Parking brake
NOTICE
■Before driving
Fully release the parking brake.
Driving the vehicle with the parking brake set will lead to brake components over-
heating, which may affect braking performance and increase brake wear.
Sets the parking brake* 
(Depressing the pedal again
releases the parking brake.)
*: Fully depress the parking
brake pedal with your left
foot while depressing the
brake pedal with your right
foot.
CanadaU.S.A.

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2-2. Instrument cluster
Gauges and meters
The units used on the speedometer may differ depending on the target
region.

The following gauges, meters and display illuminate when the
“ENGINE START STOP” switch is in IGNITION ON mode.
Tachometer
Displays the engine speed in revolutions per minute.
Speedometer
Displays the vehicle speed.
Fuel gauge
Displays the quantity of fuel remaining in the tank.
Engine coolant temperature gauge
Displays the engine coolant temperature.
Multi-information display
 P. 1 3 9

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2-2. Instrument cluster
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When driving
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M
Odometer/trip meter and trip meter reset buttonsChanges the display
Resets the trip meter driving
range to “0”.
Instrument panel light controlThe brightness of the instrument panel lights excluding the clock and out-
side temperature display, can be adjusted. Brighter
Darker
Maximum brightness
Odometer and trip meterOdometer
Displays the total distance the vehicle has been driven.
Trip meter
Displays the distance the vehicle has been driven since the meter was
last reset. Trip meters A and B can be used to record and display differ-
ent distances independently.

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2-2. Instrument cluster
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Light sensitive optitron meterTo reduce glare or reflection of th e instrument cluster, the cluster glass is
tinted automatically or manually. You can select a setting from 7 modes.
Display the present setting, then
change the mode.
To change the mode, press the but-
ton once and then again within 6
seconds.
Each time you press the button, the
mode changes in the following
order;
1. “AUTO - Norm”
2. “AUTO - Lo”
3. “AUTO - Hi”
4. “MANUAL - 1”
5. “MANUAL - 2”
6. “MANUAL - 3”
7. “ M A N U A L - 4 ”
Mode 1 to 3: The cluster glass tint
will be adjusted automatically
depending on the intensity of sun-
light in the surrounding. 
Mode 4 to 7: The cluster glass tint
will be fixed when a certain level of
sunlight is reached in the surround-
ing. 
(“Norm” to “Hi”, “1” to “4” referring
to the level of cluster glass tint.)

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2-2. Instrument cluster
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When driving
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NOTICE
■To prevent damage to the engine and its components
●The engine may be overheating if the engine coolant temperature gauge is in the
red zone (“H”). In this case, immediately stop the vehicle in a safe place. Check
the engine after it has cooled completely. (P. 5 3 3 )
●Do not let the indicator needle of the tachometer enter the red zone, which indi-
cates the maximum engine speed.
■To activate the light sensitivity function properly
Do not affix a sticker or window tint to the rear window glass, or put an object
behind the rear seat.

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Indicators and warning lights
The indicator and warning lights on the instrument cluster and center
panel inform the driver of the status of the vehicle’s various systems.
Instrument cluster
The units used on the speedometer and some indicators may differ depend-
ing on the target region.
Center panel