2008 Toyota Highlander Owners Manual - Page 141

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. Vehicles system without navigation Vehicles without smart key system: The indicator light flashes after the key has been removed from the engine switch to indicate that the system is operating. Vehicles with smart key system: The indicator light flashes after the "ENGINE START STOP" switch has been turned OFF to indicate that the system is operating. Vehicles with navigation system n System maintenance The vehicle has a maintenance-free type of engine immobilizer system. n Conditions that may cause the system to malfunction l If the key is in contact with a metallic object l If the key is in close proximity to or touching a key to the security system (key with a built-in transponder chip) of another vehicle 110