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(Digital Key System - Identity Authentication Unit (IAU) Removal And Installation)

WARNING: This page is about a different car, the 2024 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
ABBREVIATED PROCEDURE

Work H/W Tightening torque N.m(kgfm/lb-ft) SST/Equipment Chemical etc
  • Removal 
1 Disconnect the battery (-) terminal - - - -  
2 Remove the body domain control unit
(Refer to Security & Vehicle Ignition System - "BODY DOMAIN CONTROL UNIT ")
- - - - -
  • Installation 
Install in the reverse order of removal  
  • Additional work 
  • Using a diagnostic tool
    • Perform the OTA S/W update
    • Perform "IAU-IBU learning" after IBU exchange