Apple today updated its iOS 8 Feature Availability page to note that support for Siri certain features and CarPlay has been expanded to new countries.CarPlay functionality is now accessible in Brazil, China, India, Thailand, and Turkey, in addition to Australia, Canada, France, Germany, Hong Kong, Italy, Japan, Mexico, Republic of Korea, Singapore, Spain, Switzerland, Taiwan, the United Kingdom and the United States.
Different countries have gained new Siri features like Sports scores, Twitter integration, and Shazam, as listed below:
Sports - India, New Zealand
Twitter integration - Brazil, Denmark, India, Netherlands, New Zealand, Russia, Sweden, Thailand, Turkey
Facebook integration - Brazil, Denmark, India, Netherlands, New Zealand, Russia, Sweden, Thailand, Turkey
Local Search - Brazil, Denmark, India, Netherlands, New Zealand, Russia, Sweden, Thailand, Turkey
Directions - Brazil, Denmark, India, Netherlands, New Zealand, Russia, Sweden, Thailand, Turkey
Shazam - Brazil, Denmark, India, Netherlands, New Zealand, Russia, Sweden, Thailand, Turkey
Today's iOS 8.3 update also brought additional changes to CarPlay and Siri, adding wireless CarPlay support to alleviate the need for a Lightning cable with some CarPlay installations, and new Siri languages.
Siri Features, CarPlay Support Expanded to Additional Countries [iOS Blog]