Lexus GS450h Owner's Manual page 309

Adjusting the set speed
To change the set speed, operate the lever until the desired set speed is obtained.
Increases the speed
1
Decreases the speed
2
Fine adjustment: Momentarily move the
lever in the desired direction.
Large adjustment: Hold the lever in the
desired direction.
The set speed will be increased or decreased as follows:
Fine adjustment: By approximately 1.6 km/h (1 mph) each time the lever is operated.
Large adjustment: The set speed can be increased or decreased continually until the
lever is released.
Canceling and resuming the constant speed control
Pulling the lever toward you cancels
1
the constant speed control.
The speed setting is also canceled when
the brakes are applied.
Pushing the lever up resumes the
2
constant speed control.
Resuming is available when the vehicle
speed is more than approximately
40 km/h (25 mph).
Cruise control can be set when
■
The shift lever is in D or range 4 or higher of S has been selected.
●
Range 4 or higher of D has been selected by using the paddle shift.
●
Vehicle speed is above approximately 40 km/h (25 mph).
●
Accelerating after setting the vehicle speed
■
The vehicle can be accelerated normally. After acceleration, the set speed resumes.
●
Even without canceling the cruise control, the set speed can be increased by first accel-
●
erating the vehicle to the desired speed and then pushing the lever down to set the new
speed.
GS450h_300h_OM_OM30F92E_(EE)
4-5. Using the driving support systems
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