Alpine CDA 7893 CD Player "dvd bypass toggle switch" Questions

...bypass/hack for Jensen vm9512hd w nav101 Ive read the hack to watch movie while drivig but how about controlling the navigation while driving. Is there a hack for it to,or will the hack for the DVD ...

...BYPASS ANY RADIO/DVD PLAYER SAFETY SWITCH RUN TOGGLE SWITCH FROM WIRE AN OTHER END GROUND TURN ON UNIT THEN PUT DVD IN AND FLIP SWITCH ON AND OFF 2 OR 3 TIMES MOVIE WILL POP ON AN STAY ON REPEAT MAY ...