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Your vehicle is equipped with an occupant detection system in the front passenger's seat.
The occupant detection system is designed to detect the presence of a properly-seated front passenger and determine if the passenger's front air bag should be enabled (may inflate) or not. Only the front passenger front air bag is controlled by the Occupant Detection System.
Do not put anything in front of the passenger air bag OFF indicator.
Kia Stinger (CK) 2018-2023 Owner's Manual: Folding the rear seat
The rear seatbacks may be folded to facilitate carrying long items or to increase the luggage capacity of the vehicle. WARNING The purpose of the fold-down rear seatbacks is to allow you to carry longer objects that could not otherwise be accommodated. Never allow passengers to sit on top of the folded down seatback while the car is moving as this is not a proper seating position and no seat belts are available for use.Kia Stinger (CK) 2018-2023 Owner's Manual: High Pressure Fuel Pump
Repair procedures Removal 1. Release the residual pressure in fuel line. (Refer to the Fuel Delivery System - "Release Residual Pressure in Fuel Line") 2. Switch "OFF" the ignition and disconnect the negative (-) battery terminal. 3. Disconnect the fuel pressure control valve connector (B) and the fuel feed tube quick-connector (A).