ignition Lexus IS300 2016 Owner's Manual / LEXUS 2016 IS200T,IS300,IS350 OWNERS MANUAL QUICK GUIDE (OM53D43U)
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■Adjusting the set speed
Increases the speed
Decreases the speed
Fine adjustment: Momentarily move the 
lever in the desired direction.
Large adjustment: Hold the lever in the 
desired direction.
■Changing the vehicle-to-vehicle distance (vehicle-to-vehicle distance con-
trol mode)
Pressing the button changes the vehicle-to-
vehicle distance as follows:
Long
Medium
Short
The vehicle-to-vehicle distance is set 
automatically to long mode when the 
engine switch is turned to IGNITION 
ON mode.
If a vehicle is running ahead of you, the 
preceding vehicle mark will also be dis-
played.
1
2
Preceding 
vehicle mark
1
2
3
The vehicle-to-vehicle distance control mode maintains the preset cruising speed as long 
as no vehicle is detected ahead. 
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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. 
Page 79 of 82
What to do if...
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■Starting the engine
Ensure that the shift lever is in P and 
depress the brake pedal.
Touch the Lexus emblem side of the 
electronic key to the engine switch. 
When the electronic key is detected, a 
buzzer sounds and the engine switch 
will turn to IGNITION ON mode.
When the smart access system with 
push-button start is deactivated in cus-
tomization setting, the engine switch 
will turn to ACCESSORY mode.
Firmly depress the brake pedal and 
check that   is shown on the 
multi-information display.
Press the engine switch.
In the event that the engine still cannot be started, contact your Lexus dealer.
If equipped
1
2
3
4
If the electronic key battery is depleted, a warning message will be shown on the multi-
information display. Replace the battery with a new one. For instructions on replacing the 
battery, refer to the “OWNER’S MANUAL”. If you need further assistance, contact your 
Lexus dealer.