AM or FM Button (CD MODE) :: Operation Instructions - (Disc Mode For CD And MP3/WMA Audio Play, DVD-Video) :: Media Center 230 (REQ) — AM/FM Stereo Radio And 6–Disc CD/DVD Changer (MP3/WMA AUX Jack) :: Understanding Your Instrument Panel :: Jeep Wrangler Owner's Manual :: Jeep Wrangler - JeepManuals.org

AM or FM Button (CD MODE)

Jeep Wrangler / Jeep Wrangler Owner's Manual / Understanding Your Instrument Panel / Media Center 230 (REQ) — AM/FM Stereo Radio And 6–Disc CD/DVD Changer (MP3/WMA AUX Jack) / Operation Instructions - (Disc Mode For CD And MP3/WMA Audio Play, DVD-Video) / AM or FM Button (CD MODE)

Switches the radio into the AM or FM radio mode.

See also:

Lubricant Selection
Use only manufacturer’s recommended fluid. Refer to “Fluids, Lubricants, and Genuine Parts” in “Maintaining Your Vehicle” for further information. ...

Supported Media (Disc Types)
The MP3 file recording media supported by the radio are CDDA, CD-R, CD-RW, MP3, and CDDA+MP3. ...

Interior
My kids complained all week about the Patriot's lack of legroom in the backseat. The rear seats seem stuck in the olden days since they don't slide back and forth like many crossovers do these day ...