The phrase "restraint system" refers to a safety mechanism or device that is designed to restrict or limit movement, typically in a vehicle or when handling dangerous items, in order to prevent injury or harm. Full definition
Seat belt availability for securing child restraint systems in every seating position except the driver's seat. (archive.li)
Nor can this static test evaluate the effectiveness of restraint systems like safety belts, rollover curtain airbags, and padding in vehicle interiors. (iihs.org)
The issue comes from the software used in a module that controls the deployment of restraint systems in rollover situations. (cheersandgears.com)