SAE J2313: On-Board Land Vehicle Mayday Reporting Interface
| Source Element | Destination Element | Flow |
|---|---|---|
| Mayday/Concierge Services | Traveler Vehicles | emergency acknowledge |
| Traveler Vehicles | emergency data request | |
| Traveler Vehicles | Mayday/Concierge Services | emergency notification |
| Mayday/Concierge Services | emergency notification relay |