2011 Lexus IS F Owners Manual - Page 85

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 and moon roof are closed before the alarm is set. 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 alarm system. l A person inside the vehicle opens a door, the trunk or hood. l The battery is recharged or replaced when the vehicle is locked. n Alarm-operated door lock l When the alarm is operating, the doors are locked automatically to prevent intruders. l Do not leave the key inside the vehicle when the alarm is operating, and make sure the key is not inside the vehicle when recharging or replacing the battery. n When the battery is disconnected Be sure to deactivate the alarm system. If the battery is disconnected before deactivating the alarm system, the alarm may be triggered when the battery is reconnected. 86