Ford developing smartphone-controlled towing tech

You should never use a smartphone while driving, but Ford is developing away to drive a vehicle with a smartphone. From outside of it. Ford has filed for a patent covering technology that would allow someone to remotely control their vehicle while backing it up with a trailer attached. The automaker currently offers the Pro Trailer Backup Assist feature on several models that uses cameras and sensors to steer a vehicle with a trailer in reverse while the driver turns a knob on the dashboard to p