The oil temporarily spins Mabel's car, no.4, around and it goes backwards for a lap until the oil spins it around again to continue the right way. The car tips over on a bend but a group of men push the heavy Bentley V8 upright again. Meanwhile, the rival escapes his ropes and sees Mabel driving his car.
As the oil momentarily takes control of Mabel's car, no.4, it causes the vehicle to reverse direction for a lap before resuming its intended path. The car loses balance on a curve but is steadied by a team of men who right the heavy Bentley V8. At the same time, the rival manages to escape his restraints and notices Mabel operating his own car.