Dodge Charger: INTERIOR STORAGE AND EQUIPMENT / Illuminated Cupholders — If Equipped
On some vehicles the front and/or rear cupholders are equipped with a light ring
that illuminates the cupholders. The brightness of the light rings are controlled
by the Dimmer Control.

https://ecufix.info 
This feature allows an external USB device to be plugged into the USB port.
Plugging in a smartphone device to a USB port may activate Android Auto™ or Apple
CarPlay® features, if equipped...
Your vehicle is equipped with 12 Volt (15 Amp) power outlets that can be used
to power cellular phones, small electronics and other low powered electrical accessories...
Other information:
Your vehicle is equipped with an advanced Electronic Brake Control (EBC) system.
This system includes Electronic Brake Force Distribution (EBD), Anti-Lock Brake
System (ABS), Brake Assist System (BAS), Hill Start Assist (HSA), Traction Control
System (TCS), Electronic Stability Control (ESC), and Electronic Roll Mitigation
(ERM)...
The remote sound system controls are located on the rear surface of the steering
wheel at the three and nine o’clock positions.
The right-hand control is a rocker-type switch with a push button in the center
and controls the volume and mode of the sound system...