Chrysler 2014 300 SRT - Uconnect 4.3/8.4 Manual - Manual (Page 23)

Equalizer
Touch the Equalizer soft-key to activate the Equalizer
screen.
Touch the + or - soft-keys, or by touching and dragging
over the level bar for each of the equalizer bands. The
level value, which spans between ±9, is displayed at the
bottom of each of the Bands.
Speed Adjusted Volume
Touch the Speed Adjusted Volume soft-key to activate the
Speed Adjusted Volume screen.
Touch the Speed Adjusted Volume soft-key to select
between OFF, 1, 2 or 3. This will decrease the radio
volume relative to a decrease in vehicle speed.
22 RADIO MODE