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Home >> Hyundai >> 2025 >> Tucson Plug-In Hybrid SEL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 41 (Smart Key/Security System (Except HEV)) >> Smart Key System >> Removal And Installation >> Body Domain Control Unit (Smart Key Unit)
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Body Domain Control Unit (Smart Key Unit)

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  1. Disconnect the battery (-) terminal.
  2. Remove the body domain control unit.

    (Refer to Security & Vehicle Ignition System - "BODY DOMAIN CONTROL UNIT ")