2011 Lexus RX 450h Owners Manual - Page 205
2011 Lexus RX 450h Manual
Page 205 highlights
1-7. Theft deterrent system n System maintenance The vehicle has a maintenance-free type alarm 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 or the hood. l The 12-volt 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 12-volt battery. 120