Lumbar Support Unit
Repair Procedures
Removal
Disconnect the negative (-) battery terminal.
Remove the front seat back cover.
(Refer to Body - "Front Seatback Cover")
Disconnect the lumbar support motor connectors (A).

Release the retaining clips (A) from the seat frame.

Remove the lumbar support assembly (B) after removing the mounting clip (A).

Installation
Install the lumbar support assembly.
Install the front seatback cover.
Install the front seat assembly.
Inspection
Lumbar Support Motor
Disconnect the motor connectors.

When battery power is supplied to the lumbar support motor connector, check the motor for smooth operation.
Reverse the connections and check that the motor rotates in the opposite direction.
If the motor operates abnormally, replace it.

Test yourself
A quick Kia Stinger CK quiz: every answer comes with an explanation and a link to the manual page.