by car
Él va a menudo a la biblioteca en auto.
He often goes to the library by car.
Yendo en auto llegaremos en tres horas.
If we go by car, we'll arrive in three hours.
Eso es bueno, porque están paseando en auto.
That's good, because they're driving around.
Mi padre va al trabajo en auto.
My father goes to work by car.
Ellos probablemente vendrán en auto.
They’ll probably come by car.
He goes to the office by car.