Supplemental Restraint System
WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
The SRS is controlled by the RCM, which continually monitors various inputs. When these inputs indicate a frontal or side crash, the RCM may deploy some components, based upon the severity of the crash and the sensor inputs.
Although some deployable devices may not have activated. For all occupants during a crash, it does not mean that something is wrong with the SRS.
The RCM per. Forms a self-test of the complete SRS during each startup. In addition to the self-test at start up, the RCM continuously monitors all of the SRS components and circuitry. For correct operation.