Carmakers that partnered with Apple include Audi, BMW, Chrysler, GM, Honda, Jaguar, Land Rover, Mercedes-Benz, and Toyota. Ford is conspicuously absent as it has Microsoft as a partner for its high-end Sync-branded in-car entertainment systems.
Siri, the voice-guided assistant, will get an update with iOS6. It will also deliver sports and movie information, send Tweets and launch apps. It can also launch a Maps function with turn-by-turn driving directions.
The in-car feature is expected to begin showing up in cars within the next 12 months.