YOU SAID:

I need to park my car there to eat food

INTO JAPANESE

食べ物を食べるためにそこに車を駐車する必要がある

BACK INTO ENGLISH

You need to park your car there to eat food

INTO JAPANESE

食べ物を食べるにはそこに車を駐車する必要があります

BACK INTO ENGLISH

You have to park your car there to eat the food

INTO JAPANESE

食べ物を食べるにはそこに車を駐車しなければなりません

BACK INTO ENGLISH

You have to park your car there to eat the food