Here is a cool kit that lets you connect your car to the Internet. Carloop is a 100% open source tool that lets you track your car with GPS. You can also check engine codes and log mileage on an SD card. Carloop is compatible with Photon and Electron boards.
With this kit, you can connect your Particle Photon, Electron, or RedBear Duo to your vehicle’s OBD II port to start hacking your car. Costs $35 at this time.