• 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.

1. Front Impact Sensor (FIS) [RH]
2. Front Impact Sensor (FIS) [LH]
1.Disconnect the battery negative terminal.
• After disconnecting the cables, wait at least 3 minutes.
2.Remove the front impact sensor assembly (B) by loosening the bolt after disconnecting the connector (A).
Tightening torque :10.8 - 12.8 N.m (1.1 - 1.3 kgf.m, 8.0 - 9.4 lb-ft)

1.Install in the reverse of the removal.
2.After installing the FIS, confirm proper system operation.
• Switch ON the ignition. The SRS indicator light should turn on for about three-six seconds and then off.
SRS Control Module (SRSCM)
Side Impact Sensor (SIS)Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Maintenance Under Severe Usage Conditions
The following items must be serviced more frequently on the vehicles mainly
used under severe driving conditions. Refer to the chart below for the
appropriate
maintenance intervals.
R: Replace
I: Inspect and if necessary, adjust, correct, clean or replace
Severe driving conditions
A. R ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Second row center seatbelt
(3-point rear center seat belt)
Insert the tongue plate 1 into the buckle
2 until an audible “click" is heard,
indicating the latch is locked. Pull the
shoulder portion of the belt to snug the
belt across your hips and remove slack.
Make sure the seat belt is not twisted.
When using the rear center seat belt, use
...