There are several types of cars not equipped with automatic locking system. Although already equipped with an alarm system, car owners such as the Honda City and the Nissan Grand Livina XV and some other types of cars still have to lock the doors manually before abandoning his car in the parking lot. Fuss, if I forget going nuisance.
To complete it, Maestro offers Auto Lock device. This tool is integrated with an alarm can be operated so that once a push, active alarms at once all the doors locked automatically.