2009 Toyota Prius Owners Manual - Page 191

OM47614U_PRIUS_U.book Page 161 Monday, January 11, 2010 11:02 AM 2-4. Using other driving systems n Cruise control can be set when l The shift lever is in the "D" range. l Vehicle speed is between approximately 25 mph (40 km/h) and 125 mph (200 km/h). n Accelerating The vehicle can be accelerated normally. After acceleration, the set speed resumes. n Automatic cruise control cancelation The set speed is automatically canceled in any of the following situations. When driving 2 l Actual vehicle speed falls more than 10 mph (16 km/h) below the preset vehicle speed l Actual vehicle speed is below 25 mph (40 km/h) l Enhanced VSC is activated n If the cruise control indicator light flashes Turn the "ON-OFF" button off once, and then 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. 161 PRIUS_U_(OM47614U)