Honda are not playing fair - surely they could sort a software update out - glad I’ve a retrofit pioneer unitFound an official statement regarding this issue:
Honda and Acura cars as old as 2004 and equipped with navigation are showing incorrect date and time settings. Date often shows January 1, 2002 (or another month and day in 2002) and time is stuck and cannot be adjusted.
Honda’s head unit receives a GPS signal for date and time including a number representing a week, coded in binary. These digits count from 0-1024 and rollover to 0 after the completion of week 1024. Honda’s head unit supplier did not code their head units to account for the rollover and, on January 1, 2022, reverted to a date and time 1024 weeks in the past.
Honda is aware of the issue and says it will self correct sometime in August.
This happened in the past, and Honda’s solution then was to mail out update discs. It took several months.
It’s not clear if Honda will produce update discs or allow for a self-correction.