'03 Model: Basic operation:

OnStar system is activated.
Data is transmitted to service provider.

Fig 1: OnStar System Operation
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Call center associate makes appropriate response:
- Accident/Emergency notification (Police, Fire and EMS,etc.)
- Airbag deployment (Accident)
- Roadside assistance
- Stolen vehicle tracking
- Remove door lock/unlock command
- Misplaced vehicle (Flashes parking lights/honks horn)
- Route guidance
- Ride Assist
- Concierage services/convenience