2008 Toyota Yaris Owners Manual - Page 112

1-6. Theft deterrent system n Items to check before locking the vehicle To prevent unexpected triggering of the alarm and vehicle theft, make sure of the following. l Nobody is in the vehicle. l The windows are closed before the alarm is set. Before driving 1 l No valuables or other personal items are left in the vehicle. n Triggering of the alarm The alarm may be triggered in the following situations. (Stopping the alarm deactivates the system.) l A person inside the vehicle opens a door or hood. 73