2011 Toyota Tundra Double Cab Owners Manual - Page 145

1-6. Theft deterrent system 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. NOTICE n To ensure the system operates correctly Do not modify or remove the system. If modified or removed, the proper operation of the system cannot be guaranteed. 116