Developed a problem with our GPS/Radio in our 2003 GC. Occasionally, the radio/gps display and buttons will not work. The problem "sometimes" occurs when the vehicle is started (radio/display works) and then shut off and restarted. The radio will play the last tuned station but none of the front panel buttons function nor does the gps display light up. Turning off the Jeep, leaving it for about 5 minutes and restarting corrects the problem.
Also noted, when the problem occurs and the vehicle can't be stopped and restarted the radio/gps display & buttons began to function after about 40 minutes.
Any ideas?
Thanks
KP