In-Dash Tether

In-Dash Tether is a companion app for the In-Dash USB stick, it automates the task of starting the WiFi tethering on the smartphone when you get in your car and stopping it when you leave it.
In-Dash Tether uses simple Bluetooth detection to make your smartphone location (car) aware.
To use In-Dash Tether you need to pair your car bluetooth system with your Android smartphone and enable it in In-Dash Tether. Every time you'll get in your car your Android smartphone will immediately enable tethering and will provide WiFi connectivity to all devices in your car.
The In-Dash USB stick is a RealVNC powered MirrorLink compatible device for the car head unit, more info on the device at: http://in-dash.com
Please note: carriers could charge extra fees when using tethering.