2010 Toyota Sienna Owners Manual - Page 140
2010 Toyota Sienna Manual
Page 140 highlights
1 -6 . T he ft de t e rre nt syst e m Engine im m obilize r syst e m (if e quippe d) The vehicle's keys have built-in transponder chips that prevent the engine 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. 1 On some models: The indicator light flashes after the key has been removed from the engine switch to indicate that the system is operating. Before driving