Hyundai Sonata and Veloster owners have had some level of remote access for a year now, but the latest version of the Blue Link app does even more. Along with remote start, door lock / unlock and control of the horn and lights, you can now run vehicle diagnostics, send POIs across from your phone for later in-dash navigation, and even locate and manage multiple Blue Link-equipped cars. Sound complicated? Not if you run a cab firm, or if you check out the twelve new instructional videos o