• 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: Smart Cruise Control (SCC)
Basic function
Smart Cruise Control uses the front view
camera and front radar to help detect a
vehicle ahead and maintain the desired
speed and distance between your vehicle
and the vehicle ahead.
Overtake Assist Control
While Smart Cruise Control is operating,
if the function judges y ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Master Cylinder
- Components
1. Reservoir cap2. Reservoir3. Brake booster4. Master cylinder5. Push rod
- Removal
1.Turm ignition switch OFF and disconnect the negative (-) battery cable.
2.Remove the battery.(Refer to Engine Electrical System - "Battery")
3.Disconnect the brake fluid level sensor c ...