1.Remove the outside rear view mirror.(Refer to Mirror - "Outside Rear Viwe Mirror")
2.Pull down the front door window glass to the lowest level by pressing the power window glass switch.
3.Remove the front door belt outside weatherstrip (A).

4.To install, reverse removal procedure.
    
• Replace any damaged clips (or pin-type retainers).
Front Door Outside Handle
Front Door Belt Inside WeatherstripHyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Relay Box (Passenger Compartment)
    - Dscription and Operation
 ICU (Integrated Central Control Unit)
ICU (Integrated Central Control Unit) is an integrated model of smart 
junction block and central gateway. It performs the function of 
conventional "Smart junction block" and the function of communication 
medium of "Central Ga ...
   
Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Battery Sensor
    - Description
 Vehicles have many control units that use more electricity. These units
 control their own system based on information from various sensors. It 
is important to provide a stable power supply as these sensors bring 
diverse information. Battery sensor is mounted on battery (-) ter ...