Yes, I re-set the date and time again -- no luck. I drove 60 miles today from LA to Irvine, CA and this thing was still showing --:--pm. Did input my destination HOME, no change.
Unfortunatelly, I don't have my MK3 anymore and I can't test it. MK3 was working.
I saw on the NAV system calibration manual some steps to perform in order to calibrate the NAV system, but I don't know if that will help.

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(oOO \ ([[[[)(]]]]) / OOo)