A bag designed to inflate instantly in the event of a collision to stop the driver and the passanger from hitting the dashboard, steering wheel or other parts of the vehicle. Airbags reduce the risk of death from a frontal crash by around 30% Other types of airbags such as side airbags, some of which are designed to protect the head and the chest, head airbags and curtain (window) airbags are becoming increasingly common in most cars in Australia.
Originally when airbags were first introduced many problems were determined with their design. The basic problem was the violent explosion of the airbag, (300km/hr) was not only causing a serious noise but also caused many minor injuries to the drivers hands or wrists. However over time these problems have all been slowly rectified and modern airbag systems are far more efficient.