Lexus GS450h Owner's Manual page 300

300
4-5. Using the driving support systems
Setting the vehicle speed (vehicle-to-vehicle distance control mode)
Press the "ON/OFF" button to acti-
1
vate the cruise control.
Radar cruise control indicator will come
on and a message will be displayed on
the multi-information display.
Press the button again to deactivate the
cruise control.
If the "ON/OFF" button is pressed and
held for 1.5 seconds or more, the system
turns on in constant speed control
mode. (P. 304)
Accelerate or decelerate, with
2
accelerator pedal operation, to the
desired vehicle speed (above
approximately 50 km/h [30 mph])
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.
If the lever is operated while the vehicle speed is below approximately 50 km/h
(30 mph) and a preceding vehicle is present, the set speed will be adjusted to approx-
imately50 km/h (30 mph).
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