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Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Windows (PHEV) >> Power Window Switch >> Description & Operation >> Description >> Driver Door Module (DDM) >> Interior Lamps Control

Interior Lamps Control

  1. The BCM receives multi-function switch (MFSW) light signal. The BCM then sends the interior light ON command to the DDM via CAN communication.

    Once received the interior light ON command, the DDM turns the interior lamps ON.