OnStar has been around for nearly ten years. Initially its availability was limited to GM cars, but that state of affairs will change this summer with the release of the OnStar Mirror at Best Buy. The OnStar Mirror ($299) replaces your car's rear-view mirror. You won't get all of the service's fancy diagnostic features or its remote unlock, but the OnStar Mirror will include Bluetooth functionality, access to the OnStar customer service network, and automated crash response. To provide these benefits, the mirror requires that you purchase an OnStar service contract, which runs $199 per year.
Image credit: OnStar/General Motors