Gone are when you couldn't start your car's engine without a physical key. Modern vehicles today come with key fobs that are more useful than just starting your car and locking and unlocking its doors ...

Authorities are warning car-owners that vehicles developed in the last decade that use keyless technology are susceptible to theft.

CHICAGO (CBS) -- It's the latest target for car thieves. It's not a Chevy or Jeep. It's a device. It doesn't look like much, but for crooks, it's the key to quickly getting behind the wheel of as many ...