• 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: Highway Driving Assist
Malfunction and Limitations
Highway Driving Assist malfunction
When Highway Driving Assist is not
working properly, the "Check Highway
Driving Assist (HDA) system" warning
message may appear, and the
warning light may illuminate on the
instrument cluster. Have the vehicle
inspected by an authorized HYUNDAI
dea ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Check Tire Inflation Pressure
Check your tires, including the spare
tire, at least once a month.
How to check
Use a good quality tire pressure
gauge to check the tire pressure.
You cannot tell if your tires are
properly inflated simply by looking at
them. Radial tires may look properly
inflated when they are underi ...