2010 Lexus IS250C Do-It-Yourself Maintenance / LEXUS 2010 IS350C/250C QUICK GUIDE OWNERS MANUAL (OM53738U)

Topic 3
When Driving
25
Satellite Switches
The satellite switches can be used to change the
settings of the following items.
●Intuitive parking assist (if equipped)
●Tire inflation pressure warning system initial-
ization
●ID code selection for tire inflation pressure
warning system
●AFS (Adaptive Front-lighting System)
(if equipped)
●Speed indicator
●Tacho indicator
■Changing the ON/OFF settings
To cycle through the functions, press either the
left or right selector switch.
To change the settings, press the ON/OFF
button.
The satellite switches can be used to change the settings of various functions. Settings
are shown on the multi-information display.
For detailed information of changing the settings, see the Owner’s Manual.

Topic 3
When Driving
26
Entering and Exiting
Before DrivingBefore Driving
When DrivingWhen Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing
Yo u r L e x u s
Tu r n S i g n a l L e v e r
Right turn signal
Left turn signal
Emergency Flasher Switch
Engaging the emergency flasher switch causes all
the turn signal lights to flash.
The emergency flashers can be operated even
when the “ENGINE START STOP” switch is OFF.
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2
To signal a lane change, move the lever partway and hold.

Topic 3
When Driving
27
ECT Switch (Automatic Transmission)
Powe r m o d e
For more powerful acceleration and uphill
driving.
Normal mode
Snow mode
For starting or accelerating on snow-covered
roads or other slippery surfaces.
An indicator comes on when in power or snow
mode.
ETCS Switch (Manual Transmission)
An indicator comes on when in snow mode.
Press again to return to normal mode.
Use the ECT switch to select the driving mode that best suits the driving and road condi-
tions.
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3
Use the ETCS switch to change to snow mode when starting or accelerating on snow-
covered roads or other slippery surfaces.

Topic 3
When Driving
28
Entering and Exiting
Before DrivingBefore Driving
When DrivingWhen Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing
Yo u r L e x u s
Intuitive Parking Assist (If Equipped)
Owners of models equipped with a navigation system should refer to the “Navigation System
Owner's Manual”.
■Turning the system on and off
The system can be turned on and off using the satellite switch. (P. 2 5 )
■Screen display
Sensors are used to detect obstacles near the
vehicle. The distance to a detected obstacle is
shown by the number of indicator bars.
Indicates obstacles detected by the corner
sensors
Indicates obstacles detected by the back sen-
sors
The system uses a screen display and buzzer to inform the driver of obstacles near the
vehicle when parking or driving at low speed.
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Topic 3
When Driving
29
Cruise Control (If Equipped)
Indicator
Cruise control switch
■Setting the speed
Press the ON-OFF button.
The system will turn on.
Accelerate or decelerate to the desired
speed, and then push the lever down.
This sets the speed in the cruise control
memory.
■Canceling
To temporarily cancel the cruise control, pull
the lever toward you. To resume the cruise
control, push the lever up.
To turn the system off, press the ON-OFF but-
ton.
■Adjusting the speed setting
To increase speed: push the lever up.
To d e c r e a s e s p e e d: push the lever down.
Release the lever when the desired speed is
reached.
Cruise control allows the driver to maintain a constant speed without having to operate the
accelerator pedal.
Use for highway driving or when traveling at a constant speed for long periods of time.
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Topic 3
When Driving
30
Entering and Exiting
Before DrivingBefore Driving
When DrivingWhen Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing
Yo u r L e x u s
Dynamic Radar Cruise Control (If Equipped)
Indicator
Display
Distance switch
Cruise control switch
■Cruise control display
Cruise control settings are shown on the multi-
information display.
Vehicle ahead indicator
Vehicle-to-vehicle distance
Preset speed
■Vehicle-to-vehicle distance control mode
Press the ON-OFF button.
Accelerate or decelerate to the desired
speed, and then push the lever down.
Vehicle-to-vehicle distance can be adjusted using
the distance switch.
■Constant speed control mode
Press the ON-OFF button.
Push the lever forward and hold for at least
one second.
Accelerate or decelerate to the desired
speed, and then push the lever down.
Dynamic radar cruise control supplements conventional cruise control with a vehicle-to-
vehicle distance control mode.
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4
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3

Topic 3
When Driving
31
■Canceling
To temporarily cancel the dynamic radar
cruise control, pull the lever toward you. To
resume the cruise control, push the lever up.
To turn the system off, press the ON-OFF but-
ton.
■Adjusting the speed setting
To increase speed: push the lever up.
To d e c r e a s e s p e e d: push the lever down.
Release the lever when the desired speed is
reached.
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The vehicle-to-vehicle distance control mode maintains the preset cruising speed as long
as no vehicle is detected ahead.

Rain and Night DrivingTopic 4
Headlights............................................................... 33
Fog Lights ................................................................ 34
Windshield Wipers and Washer ...................... 35
Headlight Cleaner ............................................... 37
Rear Window and Outside Rear View
Mirror Defoggers................................................. 37
Instrument Panel Light Control ....................... 37