Toyota PRIUS 50 2020 Series Owner's Manual page 297

Setting the vehicle speed
Press the "ON-OFF" button to
1
activate the cruise control.
Cruise control indicator will come
on.
Press the button again to deacti-
vate the cruise control.
Accelerate or decelerate, with
2
accelerator pedal operation, to
the desired
(above approximately 30 km/h
[20 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.
4-5. Using the driving support systems
vehicle speed
295
4