Description And Operation: Description

WARNING: This page is about a different car, the 2018 Hyundai Accent. However, it is still accessible from the selected car via links, so may be relevant.

The Front Impact Sensors (FIS) are installed on the upper of the side panel in Front End Module (FEM). They are remote sensors that detect acceleration due to a collision at their mounting locations.
The primary purpose of the Front Impact Sensor (FIS) is to provide an indication of a collition. The Front Impact Sensor (FIS) sends acceleration data to the SRSCM.