It'll still be around all next year. An order from Google is only 30% of their limit. As it is, Chrysler doesn't even appear in the top 6 manufacturers for sales.
The nice thing about the phase out is that even when the limit is reached, you have the remainder of the current quarter and all of the following quarter to purchase a vehicle and receive the full credit amount. Essentially there is a 3 to 6 month window of unlimited credits available after the phase out period is triggered.