Toyota 2012 Yaris Hatchback Owner's Manual page 139

2-4. Using other driving systems
Cruise control
Use the cruise control to maintain a set speed without depressing
the accelerator pedal.
■
Setting the vehicle speed
158
∗
Press the "ON-OFF" button to
activate the cruise control.
Accelerate or decelerate the
vehicle to the desired speed,
and push the lever down to set
the speed.
Indicators
Cruise control switch
Cruise control indicator will
come on.
Press the button again to
deactivate the cruise control.
"SET" indicator will come on.
The vehicle speed at the
moment the lever is released
becomes the set speed.
∗
: If equipped