Lexus 2013 IS 350, Owner'S Manual

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4-5. Using the driving support systems
IS350 AWD/IS350/IS300 AWD/IS300_U
When constant speed control mode is selected, your vehicle will maintain a set
speed without controlling the vehicle-to-vehicle distance. Select this mode only
when vehicle-to-vehicle distance control mode does not function correctly due
to a dirty radar sensor, etc.
With the cruise control off, press and
hold the “ON/OFF” button for 1.5
seconds or more.
Immediately after the “ON/OFF” but-
ton is pressed, the dynamic radar cruise
control indicator will come on. After-
wards, it switches to the cruise control
indicator.
Switching to constant speed control
mode is only possible when operating
the lever with the cruise control off.
Accelerate or decelerate, with
accelerator pedal operation, to the
desired vehicle speed (at or above
approximately 30 mph [50 km/h])
and push the lever down to set the
speed.
Cruise control “SET” indicator will come
on.
The vehicle speed at the moment the
lever is released becomes the set speed.
Adjusting the speed setting:

P. 253
Canceling and resuming the speed setting:

P. 254
Selecting constant speed control mode
1
2