Dual-stage Airbags, Driver and Front Passenger

In a frontal collision, the driver and passenger airbags help protect your head, face and chest.

Dual-stage Airbags, Driver and Front Passenger Volvo S40

The system varies their level of inflation depending on the force of the collision. Should the collision force be sufficiently low that the airbags aren't needed, it will deploy the seatbelt pre-tensioners.