Chrysler 2013 300 SRT - Uconnect 4.3/8.4 Manual - Manual (Page 69)

Source
Touch the Source soft-key to select the desired audio
source, Disc, USB/iPod, SD Card, AUX or Bluetooth. This
screen will time out after a few seconds and return to the
main radio screen if no selection is made.
Audio
Refer to Operating Instructions – Radio Mode for adjust-
ing the audio settings.
3
Uconnect ா 8.4 & 8.4N 67