transmission issues keys stuck too, 79 Fbody

:banghead: grrr so angry transmission has been acting funny lately for the past week been hard getting into park then when i shift my automatic into park i cant get the keys out then i had to go from park to reverse and that ususally frees up the keys

then today i get home and i was stuck in drive wouldnt park wouldnt even go to neutral or reverse turned the car off cause i was about to hit the end of the garage anyone know what i need to do? the car is a 1979 pontiac firebird with a 350 SBC with i believe a turbo 350 tranny