2009 Toyota Prius Owners Manual - Page 113

OM47614U_PRIUS_U.book Page 82 Monday, January 11, 2010 11:02 AM 1 -7 . T he ft de t e rre nt syst e m I m m obilize r syst e m The vehicle's keys have built-in transponder chips that prevent the hybrid system from starting if the key has not been previously registered in the vehicle's on-board computer. Never leave the keys inside the vehicle when you leave the vehicle. Vehicle with smart key system: The indicator light flashes after the "POWER" switch has been turned OFF mode to indicate that the system is operating. Vehicles without smart key system: The indicator light flashes after the key has been removed from the key slot to indicate that the system is operating. 82 PRIUS_U_(OM47614U)