Not enough Siri in you life? Hop into a 2013 Chevy Spark. Those vehicles rocking a MyLink radio are eligible to upgrade to Apple's friendly iPhone 4S / 5 helper. Using the Bluetooth button on the steering wheel, you can access the assistant. We got a demo from a GM rep, who showed us how to access messages, read back to you through the car stereo. If you're feeling vocal, you can also dictate responses and Siri'll shoot them back off, all without ever having to take your hands off the wheel. You can also ask for things like recommendations for local businesses, but those won'