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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 >> Description And Operation >> Main features of the smart systems >> Main Function >> Transponder Communication
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Transponder Communication

WARNING: This page is about a different variant/trim than selected.

Authentication through communication with transponder in case of emergency (empty smart key battery, etc.)

  1. If there is no smart key inside the vehicle after searching for an external antenna, transponder communication is automatically attempted even if the key is not entered.