OnStar for Android

General Motors has expanded the functionality of its OnStar application for Android, and it will now work for most 2011 GM cars and trucks.  Using the OnStar app, drivers will be able to remotely unlock, start the car and sound the horn.  Also, and a little more practical, is the ability to check diagnostics and see things like how full your gas tank is, tire pressure, and see when the vehicle was last used.  All of this can be done over any internet connection.

We went hands-on with the OnStar app when it first showed up at CES, and got an even closer look at how it works with the Chevy Volt at Google I/O.  Looks like a well-thought out app, that could be really useful if you drive a late-model GM car.  Would love to hear some feedback from anyone using it! [Electronista]