Passage: The AUTOSAR development partnership was formed in July 2003 by BMW, Bosch, Continental, Daimler, Chrysler, Siemens VDO and Volkswagen to develop and establish an open industry standard for automotive E/E architecture. In November 2003, Ford Motor Company joined as a Core Partner, and in December Peugeot Citroën Automobiles S.A. and Toyota Motor Corporation joined. The following November General Motors also became a Core Partner. After Siemens VDO was acquired by Continental in February 2008, it ceased being a self-contained Core Partner of AUTOSAR.Since 2003, AUTOSAR has provided four major releases of the standardized automotive software architecture for its Classic Platform and one release of Acceptance Tests. The work of AUTOSAR can be divided into three phases:

Question: When did Continental purchase another company?
February 2008