Car thieves of the future might be able to get into a car and drive away without forced entry and without needing a physical key, according to new research that will be presented at the Network and Distributed System Security Symposium next month in San Diego, California.
Sadly but this future already is in Russia for a long time. This google translated article [1] from 2006 is about different code-grabbers. There is different car insurance price depending do you have additional not so easy breakable wireless alarm installed.