YOU SAID:
im going to eat some cheesecake at a restaurant and we are currently in the car
INTO JAPANESE
レストランでチーズケーキを食べるつもりで、今車の中にいます
BACK INTO ENGLISH
I'm in the car with the intention of eating cheesecake at a restaurant.
INTO JAPANESE
レストランでチーズケーキを食べるつもりで車に乗っています。
BACK INTO ENGLISH
I'm driving with the intention of eating cheesecake at a restaurant.
INTO JAPANESE
レストランでチーズケーキを食べようと運転しています。
BACK INTO ENGLISH
I'm driving to eat cheesecake at a restaurant.
INTO JAPANESE
私はレストランでチーズケーキを食べるために運転しています。
BACK INTO ENGLISH
I'm driving to eat cheesecake at a restaurant.
That didn't even make that much sense in English.