RAM 2500 2019 Owner's Manual page 593

Setting Name
Speed Adjusted
Volume
NOTE:
The "Speed Adjusted Volume" feature increases or decreases volume relative to vehicle speed.
Surround Sound — If
Equipped
NOTE:
The "Surround Sound" feature provides simulated surround sound mode.
AUX Volume Offset
— If Equipped
NOTE:
The "AUX Volume Offset" feature provides the ability to tune the audio level for portable devices connected through the
AUX input.
Loudness — If
Equipped
NOTE:
The "Loudness" feature improves sound quality at lower volumes.
Off 1
On
On
On
Selectable Options
2
MULTIMEDIA 591
3
Off
Off
Off
9