ECO mode Lexus IS250 2015 Automatic air conditioning system /

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Dynamic Radar Cruise Control (if equipped)
Vehicle-to-vehicle distance button
Display
Set speed
Indicators
Cruise control switch
■Setting the vehicle speed (vehicle-to-vehicle distance control mode)
Press the “ON/OFF” button to activate
the cruise control.
Dynamic radar cruise control indica-
tor will come on.
Press the button again to deactivate
the cruise control.
Accelerate or decelerate the vehicle to
the desired speed, and push the lever
down to set the speed.
“SET” indicator will be displayed.
The vehicle speed at the moment the
lever is released becomes the set
speed.
Dynamic radar cruise control supplements conventional cruise control with a vehicle-to-
vehicle distance control. In vehicle-to-vehicle distance control mode, the vehicle automat-
ically accelerates or decelerate s in order to maintain a set following distance from vehi-
cles ahead.
1
2
3
4
5
1
2

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■Canceling and resuming the speed control
Pulling the lever toward you cancels
the cruise control.
The speed setting is also canceled
when the brakes are applied.
Pushing the lever up resumes the
cruise control and returns vehicle
speed to th e set speed.
Resuming is available when the vehicle
speed is more than approximately 25
mph (40 km/h).
■ Selecting conventional constant speed control mode
Press the “ON/OFF” button to activate
the cruise control.
Press the button again to deactivate
the cruise control.
Switch to constant speed control
mode. 
(Push the lever forward and hold for
approximately one second.)
Constant speed control mode indica-
tor will come on.
When in constant speed control mode,
to return to vehicle-to-vehicle distance
control mode, push the lever forward
again and hold for approximately 1 sec-
ond.
1
2
1
2

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LDA (Lane Departure Alert) (if equipped)
■Tu r n i n g t h e L D A s y s t e m o n
Press the LDA switch to activate the system.
The LDA indicator and lane lines will
come on.
Press the switch again to turn the LDA
system off.
The LDA system will remain on or off
even if the engine switch is turned to
IGNITION ON mode.
While driving on a road that has lane markers, this system recognizes the lane markers
using a camera as a sensor to alert the driver when the vehicle deviates from its lane.
If the system judges that the vehicle has deviated from its lane, it alerts the driver using a
buzzer and indications on the multi-information display.

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What to do if...
Follow the correction procedures.
Open door warning lightMaster warning light
Low fuel level warning light
(Illuminates without
blinking)Tire pressure warning light*1
Seat belt reminder light
See the Owner’s Manual
Tu r n s i g n a l i n d i c a t o rIntuitive parking assist 
indicator (if equipped)
Headlight indicator (U.S.A.)
(Flashes)
Slip indicator
Tail light indicator (Canada)VSC OFF indicator
Headlight high beam indicator(Flashes
faster)
Pre-collision system warning 
light (if equipped)
Automatic High Beam 
indicator (if equipped) BSM (Blind Spot Monitor) 
outside rear view mirror 
indicators (if equipped)
Fog light indicator 
(if equipped) Security indicator
Cruise control indicatorLow outside temperature 
indicator
Dynamic radar cruise control
indicator (if equipped)Eco Driving Indicator Light
Cruise control “SET” indicatorEco drive mode indicator*2
LDA (Lane Departure Alert) 
indicator (if equipped)

What to do if...
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*1: It also comes on due to natural causes such as natural air leaks and tire inflation pressure changes caused by temperature. Adjust the tire inflation pressure to the specified level.
The light will turn off after a few minutes. In case the light does not turn off even if the tire
inflation pressure is adjusted, have the system checked by your Lexus dealer.
*2:Except F SPORT models
*3:F SPORT models
If the engine doesn’t start
Make sure that the correct operating procedures have been followed.
Make sure that the brake pedal is firmly
depressed when attempting to start the
engine.
Eco drive mode indicator*3“SPORT S+” indicator 
(if equipped)
*3
“SPORT” indicator*2Snow mode indicator*2
“SPORT” indicator 
(if equipped)
*3Snow mode indicator*3
“SPORT S” indicator 
(if equipped)
*3“A I R B A G O N / O F F ”
indicator
For further information, re fer to the Owner’s Manual.
Brake pedal
If the engine still does not start, see the “OWNER’S MANU AL” for more information or
contact your Lexus dealer.