If you have the JRV-212 you could replace it with the JRV-215 (as mentioned in another thread around here). Data for the 215:
JENSEN JRV215N AM/FM/DVD/USB/SXM Bluetooth® stereo with navigation
Although this isn't a cheap option as the only place I've been able to find that sells the 215N lists it (on sale) for $599:
Jensen Stereo, AM/FM/CD/USB/BT/iPOD/Sirius/Navi
Been pondering upgrading to this for our unit...
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