2013 Toyota 4Runner Owners Manual - Page 415

1 -6 . T he ft de t e rre nt syst e m Engine im m obilize r syst e m The vehicle's keys have built-in transponder chips that prevent the engine from starting if a 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 Vehicles without a smart key system The indicator light flashes after the key has been removed from the engine switch to indicate that the system is operating. CTH16AS004 Before driving The indicator light stops flashing after the registered key has been inserted into the engine switch to indicate that the system has been canceled. Vehicles with a smart key system The indicator light flashes after the "ENGINE START STOP" switch has been turned off to indicate that the system is operating. The indicator light stops flashing after the "ENGINE START STOP" switch has been turned to ACCESSORY or IGNITION ON mode to indicate that the system has been canceled. 113 4RUNNER_U