See also:

Notes On Playing MP3/WMA Files
The radio can play MP3/WMAfiles; however, acceptable MP3/WMAfile recording media and formats are limited. When writing MP3/WMA files, pay attention to the following restrictions. ...

RW/FF
Pressing the RW (Rewind) or FF (Fast Forward) buttons causes the tuner to search for the next frequency in the direction of the arrows. This feature operates in either AM or FM frequencies. ...

Go-Anywhere 4x4 Systems
The 2011 Jeep Grand Cherokee offers three 4x4 systems (Quadra-Trac I®, Quadra-Trac II® and Quadra-Drive® II). Quadra Trac I delivers full-time four-wheel drive without any switches or levers ...