A storage circuit of a portable device stores setting data concerning a function installed on a used vehicle or an in-use vehicle. Stored setting data of the portable device is read when the user gets in an in-use vehicle after use of a used vehicle. Setting data stored in the storage section of the...http://www.google.de/patents/US8193905?utm_source=gb-gplus-sharePatent US8193905 - Vehicle function execution system, vehicle apparatus, portable device, recording medium, and information center