How should an auto company CEO work to earn his pay.

Put in 14 hours nearly every day.
Take up smoking again using nicotine as a brain altering drug.
Neglect your wife to the point she testifies under oath: My husband has a mistress - Her name is Chrysler.
Get cancer, but keep it secret by going to a Swiss hospital, keep putting in long hours.
Die

He is not (yet) risen above Sergio effort level,
so Tavares should apologize,
give back 90% of his pay,
and resign.