In an accident, the smart fortwo's solid construction provides structural integrity, but it is the many passive safety features that truly protect the passengers.

Dual front and side air bags.
All models are equipped with standardfull-size front air bags. In addition, the fortwo, unlike many of its competitors, comes standard with side air bags for enhanced protection from side impactIn an accident, the smart fortwo's solid construction provides structural integrity, but it is the many passive safety features that truly protect the passengers.

Internal safety distance.
Even with the smart fortwo's compact design, the driver and passenger sit well back in the vehicle, distanced from the effects of a front impact.
Collapsible steering column.
In the event of a serious front-end collision, the steering column will retract telescopically out of harm’s way.

Read about the fortwo's passive and active safety features on there official Canadian website here.