How to Unlock a Treasure Trove of Useful Data from Your CarEric Ravenscraft4/15/14 8:00am14315EditPromoteGo to permalinkThis is 2014. Isn't it time your car was as smart as your phone? Actually, it is. Your vehicle generates a ton of data and most of us don't realize it. With the right hardware and apps, you can use that data to save gas, find where you parked, and even diagnose those pesky check engine lights.