Heater for car with windows and roof which can be opened operates in fresh air mode and recirculated air mode, heater switching to recirculated air mode when windows or roof are opened

摘要

The heater for a car with windows and a roof which can be opened operates in a fresh air mode and a recirculated air mode. The heater switches to the recirculated air mode when the windows or roof are opened. The heater is controlled by sensors fitted on the windows and roof.