System Functions

The following are monitored:

• Doors
• Hood
• Trunk
• Vehicle interior
• Vehicle inclination
• DWA bus line to the emergency siren
• Voltage supply for vehicle electrical system
• Voltage level at the emergency siren

To prevent false alarms, the sensitivity of the DWA can be adapted. For this purpose, the following vehicle conditions are evaluated:

• Status of auxiliary ventilation
• Position of power windows
• Position of slide/tilt sunroof

The alarm system sends the following status messages:

• System status via the DWA LED in the passenger compartment
• Visual arm/disarm via hazard warning lights
• Audible arm/disarm via an acknowledgement signal from the emergency siren Electrical

  The alarm system outputs the following alarms:

• Audible alarm via emergency siren
• Visual alarm via hazard warning lights, dipped headlights, main beam headlights