collapsible steering column means a vehicle collision, the steering column can be pre-designed deformation and collapse.
in the car dramatic impact, drivers often because of strong action to stop leaning forward collision, the body’s chest and steering wheel will, in order to make was the driver’s chest impacts the steering column is subjected to an impact force is reduced, some of the cars due to the steering column being designed to be pressed outside occurs two to three fold sections collapse upon impact, the impact may be dispersed by some of the steering column impact force transmitted to the human body.