"We were verbally informed about the plans," Handelsblatt cited Peter Mosch as saying, adding "at the moment there is no substantial written demand."

An Audi spokesman told Reuters that cutting one night shift at the Ingolstadt plant was one option among others, adding that there were talks on the issue with the company's works council but no decision had been made.

(Reporting by Tassilo Hummel, editing by Riham Alkousaa)