2003 interior clock issue

Hi all,
A few months ago I bought my wife a 2003 tiburon 6 speed gt, the car runs like a dream.
However the one issue I havent been able to figure out us the dash clock, this thing is pisessed.
It jyst changes time all the time, no explanation it just flips through the times whenever im in the car, how do i fix it ?

Thanks for ant info or help