if you have your Navigation Users Manual
read page 72
Your radio will play the following formats:
, CD Audio, DVD Audio, and DVD Video,
DVD-ROM, DVD Plus, DualDisc, SA-CD (CD Layer).
Do not insert anything other than the supported CD/
SACD (SACD layer) VCD, SVCD, VCD format on DVD
and MPEG-4 are not supported.
(Apple formats are not supported)
A complete list of supported CD/DVD formats is avail-
able at http://www.chrysler.com/en/owners/mygig/
you may or may not have the latest upgrade for your RER radio
mine did not have the updated version & i sent for it, you can d/l online now.
It improved several things that made the sound & some other things work so much better
view this website for some information about the RER
Added New Gracenotes 3373 US/CA/MX update which is now available for download.
Added an updated image of the RER 2.402 software update which is now available for download. )
another website with the manual
I hope this helps you to better understand your radio