bummer ...... lesson learned! never leave anything in view of thieves.
If you have this key..
... you have these features
••Remote Keyless Entry: Locks and unlocks doors, and turns on interior lamps. If the vehicle is equipped with a vehicle-theft security alarm, the remote also arms and disarms that system
•Sentry Key® Engine Immobilizer: Utilizes an engine key that has an embedded transponder with a preprogrammed security code to discourage vehicle theft. When the key is inserted into the ignition, the controller sends a random number to the transponder and the engine is allowed to start. If an incorrect key is
•Vehicle Theft Security Alarm: Deters vandalism and theft, frequently lowering insurance premiums. It protects the vehicle from theft by monitoring door- and liftgate-ajar switches and the ignition circuit for unauthorized entry
but if a thief is determined to break in to your car, not much can be done