2008 Toyota Highlander Owners Manual - Page 716

1-6. Theft deterrent system n Setting the alarm system Vehicles system without navigation Close the doors and hood, and lock all doors using the wireless remote control door lock function or entry function (vehicles with smart key system). The system will be set automatically after 30 seconds. The indicator light changes from being on to flashing when the system is set. 1 Before driving Vehicles with navigation system n Deactivating or stopping the alarm Unlock the doors using the wireless remote control door lock function or the entry function (vehicles with smart key system). 117