I am having an issue with my 17 Mirage every time it sits parked in the sun when the ambient temperature is above 85 deg F. The interior temperature I am sure will be above 120 F.

Under those conditions the car will start normally and drive for about 5 minutes and then the radio and center display shuts off, the yellow key warning light in the speedometer comes on, a chime sounds continuously and the amber light in the Start On/Off button flashes continuously. Otherwise the car runs normally.

This anomaly lasts about 10 minutes until the interior temperature cools down with the A/C. Then the radio/display comes back on and all the warnings turn off.

Any ideas?