2011 Toyota Prius Owners Manual - Page 245

2-4. Using other driving systems n Cruise control can be set when l The shift lever is in "D". l Vehicle speed is above approximately 25 mph (40 km/h). n Accelerating The vehicle can be accelerated normally. After acceleration, the set speed resumes. n Automatic cruise control cancelation Cruise control will stop maintaining the vehicle speed in any of the following situations. When driving 2 l Actual vehicle speed falls more than approximately 10 mph (16 km/h) below the preset vehicle speed At this time, the memorized set speed is not retained. l Actual vehicle speed is below approximately 25 mph (40 km/h) l Enhanced VSC is activated n If the cruise control indicator light flashes 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 immediately after being activated, there may be a malfunction in the cruise control system. Have the vehicle inspected by your Toyota dealer. 219 PRIUS_U (OM47685U) DVD