Toyota PRUS V 2020 Owner's Manual page 240

238
4-5. Using the driving support systems
Adjusting the set speed
To change the set speed, operate the lever until the desired set speed
is displayed.
Increases the speed
1
Decreases the speed
2
Fine adjustment:
move the lever in the desired
direction.
Large adjustment: Hold the lever
up or down to change the speed,
and release when the desired
speed is reached.
In the vehicle-to-vehicle distance control mode, the set speed will be
increased or decreased as follows:
Fine adjustment: By 1 km/h (0.6 mph)
the lever is operated
Large adjustment: Increases or decreases in 5 km/h (3.1 mph)
*
(8 km/h) 2 increments for as long as the lever is held
In the constant speed control mode (P. 241), the set speed will be
increased or decreased as follows:
Fine adjustment: By 1 km/h (0.6 mph)
the lever is operated
Large adjustment: The speed will continue to change while the lever is
held.
*
1
: When the set speed is shown in "km/h"
*
2
: When the set speed is shown in "MPH"
Momentarily
*
1
or 1 mph (1.6 km/h)
*
1
or 1 mph (1.6 km/h)
*
2
each time
*
1
or 5 mph
*
2
each time