Page 334 of 914

3274-5. Using the driving support
4
Driving
GS350/250_EE (OM30C36E)
NOTICE
How to use the camera
The parking assist monitor may not operate properly in the following
cases, or if the precautions described below are not followed.
• If the back of the vehicle is hit, the position and mounting angle of the
camera may change.
• As the camera has a water proof construction, do not detach, disassem-
ble or modify it. This may cause incorrect operation.
• Do not strongly rub the camera lens. If the camera lens is scratched, it
cannot transmit a clear image.
• Do not allow organic solvent, car wax, window cleaner or glass coat to
adhere to the camera. If this happens, wipe it off as soon as possible.
• If the temperature changes rapidly, such as when hot water is poured on
the vehicle in cold weather, the system may not operate normally.
• When washing the vehicle, do not apply intensive bursts of water to the
camera or camera area. Doing so may result in the camera malfunction-
ing.
• When the camera is used under fluorescent lights, sodium light or mer-
cury light etc., the lights and the illuminated areas may appear to
flicker.
Do not expose the camera to strong impact as this could cause a malfunc-
tion. If this happens, have the vehicle inspected by any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional as
soon as possible.
Page 370 of 914

3604-6. Driving tips
GS350/250_EE (OM30C36E)Perform the following according to the driving conditions:
Do not try to forcibly open a window or move a wiper that is fro-
zen. Pour warm water over the frozen area to melt the ice. Wipe
away the water immediately to prevent it from freezing.
To ensure proper operation of the climate control system fan,
remove any snow that has accumulated on the air inlet vents in
front of the windshield.
Check for and remove any excess ice or snow that may have
accumulated on the exterior lights, vehicle’s roof, chassis, around
the tires or on the brakes.
Remove any snow or mud from the bottom of your shoes before
getting in the vehicle.
Accelerate the vehicle slowly, keep a safe distance between you
and the vehicle ahead, and drive at a reduced speed suitable to road
conditions.
Park the vehicle and move the shift lever to P without setting the
parking brake. The parking brake may freeze up, preventing it from
being released. If necessary, block the wheels to prevent inadver-
tent sliding or creeping.
Before driving the vehicle
When driving the vehicle
When parking the vehicle
Page 376 of 914

366
GS350/250_EE (OM30C36E)
5-1. Remote Touch screen
Remote Touch ................... 368
Remote Touch screen ........ 370
Set up screen ..................... 382
Speech command system .. 401
5-2. Using the air conditioning
system and defogger
Front automatic
air conditioning system ... 409
Rear
air conditioning system ... 425
Rear window and outside rear
view mirror defoggers..... 430
Windshield wiper de-icer .. 4315-3. Using the audio system
Audio system type ............ 432
Using the radio.................. 457
Using the CD/DVD
player .............................. 465
Playing an audio CD and
MP3/WMA discs ............ 467
Playing DVD video .......... 473
CD/DVD player and DVD
video disc information .... 486
Listening to
Bluetooth
® audio ............ 496
Listening to
a USB memory ............... 508
Listening to an iPod .......... 519
Optimal use of
the audio/video system ... 530
Using the AUX port.......... 533
Using the rear seat
audio controls ................. 534
Using the steering wheel
audio switches ................ 539
Page 419 of 914

4095-1. Remote Touch screen
5
Interior features
GS350/250_EE (OM30C36E)
When using the microphone
It is unnecessary to speak directly into the microphone when giving a com-
mand.
Wait for the confirmation beep before speaking a command.
Speech commands may not be recognized if:
• Spoken too quickly.
• Spoken at a low or high volume.
• The roof or windows are open.
• Passengers are talking while speech commands are spoken.
• The air conditioning speed is set high.
• The air conditioning vents are turned towards the microphone.
In the following conditions, the system may not recognize the command
properly and using speech commands may not be possible:
• The command is incorrect or unclear. Note that certain words, accents or
speech patterns may be difficult for the system to recognize.
• There is excessive background noise, such as wind noise.
When searching for a track
A USB memory or iPod must be connected to enable track searching and
playback. (P. 510, 521)
When a USB memory or iPod is connected, recognition data is created so
tracks can be searched using speech commands.
Recognition data is updated under the following conditions:
• When the USB memory or iPod data has changed.
• When the voice recognition language is changed. (P. 386)
While the recognition data is being created or being updated, a track search
cannot be performed using a speech command.
When “Play music” is dimmed in the “Shortcuts” screen, it is not possible
to search for a track using a speech command. In this situation, reduce the
amount of music data in the USB memory or iPod and update the recogni-
tion data to enable searching by speech command.
Page 427 of 914
4165-2. Using the air conditioning system and defogger
GS350/250_EE (OM30C36E)Press .
The dehumidification function
operates and fan speed increases.
Set the outside/recirculated air
mode button to outside air mode if
the recirculated air mode is used.
(It may switch automatically.)
To defog the windshield and the
side windows early, turn the air
flow and temperature up.
To return to the previous mode,
press
again when the wind-
shield is defogged.
[
Upper body
*: In “AUTO” mode, air may flow to
the feet as well as to the body to
prevent your feet from getting
sweaty.
Upper body and feet
Defogging the windshield
Air outlets and air flow
*
*
Page 432 of 914

4215-2. Using the air conditioning system and defogger
5
Interior features
GS350/250_EE (OM30C36E)
Using automatic mode
Fan speed is adjusted automatically according to the temperature setting and
the ambient conditions.
Therefore, the fan may stop for a while until warm or cool air is ready to flow
immediately after is pressed.
Humidity sensor
Fogging up of the windows
The windows will easily fog up when the humidity in the vehicle is high.
Selecting on will dehumidify the air from the outlets and defog the
windshield effectively.
If you off, the windows may fog up more easily.
The windows may fog up if the recirculated air mode is used.
Outside/recirculated air mode
When driving on dusty roads such as tunnels or in heavy traffic, set the out-
side/recirculated air mode button to the recirculated air mode. This is effec-
tive in preventing outside air from entering the vehicle interior. During
cooling operation, setting the recirculated air mode will also cool the vehi-
cle interior effectively.
Outside/recirculated air mode may automatically switch depending on the
temperature setting or the inside temperature. A sensor, which detects humidity inside
the vehicle and the temperature of the
windshield, is provided to detect fog on
the front windscreen. Due to the sensor,
when automatic mode is set the air condi-
tioning may make the following controls:
Changing the amount of air flow
Changing the amount of air introduced
from outside when in outside air mode
with the air vents in the position
Changing the settings of the air vents to
when the is set
Page 433 of 914

4225-2. Using the air conditioning system and defogger
GS350/250_EE (OM30C36E)
Automatic mode for air intake control
In automatic mode, the system detects exhaust gas and other pollutants and
automatically switches between outside air and recirculated air modes.
When the dehumidification function is off, and the fan is operating, turning
automatic mode on will activate the dehumidification function.
Pollen removal mode
In order to prevent the windshield from fogging up when the outside air is
cold, the following may occur:
• Outside air mode does not switch to (recirculated air) mode.
• The dehumidification function operates.
• The operation cancels after approximately 1 minute.
In rainy weather, the windows may fog up. Press .
In extremely humid weather, the windows may fog up.
The pollens are filtered out even if the pollen removal mode is turned off.
When the outside temperature falls to nearly 0C (32F)
The dehumidification function may not operate even when is selected.
Air conditioning odors
During use, various odors from inside and outside the vehicle may enter
into and accumulate in the air conditioning system. This may then cause
odor to be emitted from the vents.
To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to outside air
mode prior to turning the vehicle off.
• The start timing of the blower may be delayed for a short period of time
immediately after the air conditioning system is started in automatic
mode.
Page 441 of 914
4305-2. Using the air conditioning system and defogger
GS350/250_EE (OM30C36E)
Rear window and outside rear view mirror
defoggers
On/off
The defoggers will automatically
turn off after 15 to 60 minutes. The
operation time changes according
to the ambient temperature and
vehicle speed.
Operating conditions
The engine switch must be in the IGNITION ON mode.
These features are used to defog the rear window, and to remove
raindrops, dew and frost from the outside rear view mirrors.
CAUTION
When the outside rear view mirror defoggers are on
Do not touch the rear view mirror surfaces, as they can become very hot
and burn you.
NOTICE
To prevent battery discharge
Turn the defoggers off when the engine is off.