Toyota Yaris Owner's Manual page 222

222
4-5. Using the driving support systems

Cruise control can be set when

Vehicles with a Multidrive

The shift lever is in the D or range 4 or higher of M has been selected.

Range 4 or higher has been selected by using the paddle shift.

Vehicle speed is above approximately 40 km/h (25 mph).

Vehicles with a manual transmission

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 accelerating the vehicle to the desired speed and then pushing the
lever down to set the new speed.

Automatic cruise control cancelation
Cruise control will stop maintaining the vehicle speed in any of the following
situations.

Actual vehicle speed falls more than approximately 16 km/h (10 mph) below
the preset vehicle speed.
At this time, the memorized set speed is not retained.

Actual vehicle speed is below approximately 40 km/h (25 mph).

VSC is activated (if equipped).

Speed limiter is activated (if equipped).

If the cruise control indicator light comes in yellow
Press the "ON-OFF" button once to deactivate the system, and then press
the button again to reactivate the system.
If the cruise control speed cannot be set or if the cruise control cancels imme-
diately after being activated, there may be a malfunction in the cruise control
system. Have the vehicle inspected by any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional.