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Home >> Kia >> 2018 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Virtual Engine Sound System (VESS) (PHEV) >> Virtual Engine Sound System Unit >> Repair Procedures >> Installation

Repair Procedures: Installation

  1. Install the VESS unit and connect the connector.
  2. Install the heater & A/C control unit.
  3. Connect the negative (-) battery terminal.