The actual technologic evolution is our partner. As in your car, no maintenance is required for the airbag electronics, unless a red flashing signal appears on the dashboard. The Vigil® concept works in the same way. When you switch on the unit, it performs all necessary internal checks on all parameters automatically. If one parameter is out of specifications, the unit will indicate it in clear language on the screen and will not switch on. In those conditions a factory check up is mandatory.