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:

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

Automatic Locking Retractor Mode (ALR) — If Equipped
In this mode, the shoulder belt is automatically prelocked. The belt will still retract to remove any slack in the shoulder belt. The Automatic Locking Mode is available on all passenger-seating ...

TUNE Control
Turn the rotary TUNE/SCROLL control knob clockwise to increase or counterclockwise to decrease the frequency. ...