2013 Toyota Highlander Owners Manual - Page 436

1-6. Theft deterrent system Vehicles with a Display Audio system Close the doors, glass hatch and hood, and lock all the doors. The system will be set automatically after 30 seconds. The indicator light changes from being on to flashing when the system is set. Vehicles with a navigation system Close the doors, glass hatch and hood, and lock all the doors. The system will be set automatically after 30 seconds. The indicator light changes from being on to flashing when the system is set.