Service Department Hours Monday 7:00am - 7:00pm Tuesday 7:00am - 7:00pm Wednesday 7:00am - 7:00pm Thursday 7:00am - 7:00pm Friday 7:00am - 7:00pm Saturday 8:00am - 5:00pm Express Lube Monday - Friday 7:00am - 8:00pm Saturday 8:00am - 5:00pm SATURN of Sioux Falls 4410 W. 12th Street Sioux Falls, South Dakota 57107 Phone: (605)336-2580   Parts Department Hours Monday 8:00am - 7:00pm Tuesday 8:00am - 7:00pm Wednesday 8:00am - 7:00pm Thursday 8:00am - 7:00pm Friday 8:00am - 7:00pm Saturday 8:00am - 5:00pm Sales Department Hours Monday 8:00am - 9:00pm Tuesday 8:00am - 9:00pm Wednesday 8:00am - 9:00pm Thursday 8:00am - 9:00pm Friday 8:00am - 9:00pm Saturday 8:00am - 6:00pm