YOU SAID:
how are you going to fix your car today?
INTO JAPANESE
今日はどうやって車を修理しますか?
BACK INTO ENGLISH
How would you like to fix your car today?
INTO JAPANESE
今日はどのように車を修理しますか?
BACK INTO ENGLISH
How would you like to fix your car today?
That didn't even make that much sense in English.