Roof operating unit for commercial vehicles
with integrated battery management system and backup battery
for an eCall control unit

The compact roof unit combines numerous functions:
  • 2-fold interior lighting
  • Hands-free system 
  • Vehicle status displays such as driver and front passenger airbag indicator lights, seatbelt sign, eCall system error display
  • Audio front end for the eCall emergency call
  • Self-sufficient, intelligent battery management system
  • NiMH eCall battery for operating the eCall control unit in the event of a crash
  • Customized design adapted to the vehicle interior
  • SOS release button protected against incorrect operation for manually making an emergency call