3.13.3. System of a pretension of seat belts
The system of a pretension of seat belts works in a situation when the car gets into the accident like head-on collision. Connected to the inertial coil of seat belts, it provides an immediate tension of belts in case of accident.
The device of a pretension is built in in the inertial coil of seat belts. Belts with the device of a pretension are used as well as usual seat belts.