Toyota 2012 Prius Owner's Manual page 344

2-4. Using other driving systems
■
Canceling and resuming the speed control
316
PRIUS PHV_OM_OM47818U_(U)
Pulling the lever toward you
cancels the cruise control.
The speed setting is also can-
celed when the brakes are
applied.
Pushing
resumes the cruise control
and returns vehicle speed
ITO24P127
to the set speed.
Resuming is available when
the vehicle speed is more
than approximately 25 mph
(40 km/h).
the lever up