* Fiat can sell Fiat Auto to a third party. GM can match any bid or retain its 20% stake.
* From January 2004 to July 2009, Fiat can force GM to buy the other 80% of Fiat Auto at a price set by 4 banks. Fiat can cancel the sale if the price is too low (up to two times).
GM can't force Fiat to sell Fiat Auto.