Dodge 2015 Journey - Uconnect 8.4/8.4N Manual - Manual (Page 41)

NOTE: Many features of this system are speed depen-
dent. For your own safety these features may be grayed
out and not accessible while the vehicle is in motion. Pull
over at a safe location to complete your task.
Search
Press the “Search” tab at the top of the screen to display
the Keyboard. This allows you to enter a folder or file
name to be searched.
40 USB/iPod® MODE