YOU SAID:

i need to get my keys for the car

INTO JAPANESE

車の鍵を手に入れる必要がある

BACK INTO ENGLISH

i need to get the car keys

INTO JAPANESE

車のキーを入手する必要があります

BACK INTO ENGLISH

i need to get a car key

INTO JAPANESE

車のキーを入手する必要があります

BACK INTO ENGLISH

i need to get a car key