What is the SRS (Supplemental Restraint System) airbag system?

1. It is a system of external airbags that inflate after collision.
2. It is an airbag system that balances the vehicle during dangerous turns.
3. It is a system that cools the brakes during emergency braking.
4. Correct answer: It is a system designed to reduce passenger impact, through the inflation of airbags during collision.

WhySRS is the airbag system: the airbags inflate in a collision and soften the impact.