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Home >> Kia >> 2019 >> Optima LX >> Repair and Diagnosis >> External Pages >> Different car >> Section 156 (Smart Key System (HEV)) >> Smart Key Unit >> Repair Procedures >> Removal >> Smart Key Unit
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Smart Key Unit

WARNING: This page is about a different car, the 2018 Kia Optima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative (-) battery terminal.
  2. Remove the glove box housing.

    (Refer to Body - "GLOVE BOX HOUSING ")

  3. Remove the smart key unit (A) after loosening the bolt and screw.
    Fig 1: Locating Smart Key Unit (SMK) With Bolt & Screw
    G12314443Courtesy of KIA MOTORS AMERICA, INC.
    Fig 2: Locating SMK
    G12314444Courtesy of KIA MOTORS AMERICA, INC.
  4. Disconnect the smart key unit connectors (A).
    Fig 3: Locating SMK Connectors
    G12314445Courtesy of KIA MOTORS AMERICA, INC.