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Pull the sunroof control lever backward to the 2nd detent position, and both the sunshade and sunroof glass will slide all the way open.
Pull the sunroof control lever back ward to the 1st or 2nd detent position, the sunroof glass will slide all the way open. To stop the sunroof movement at any point, push the sunroof control lever momentarily.

If an object or part of the body is detected while the sunroof is closing automatically, it will reverse the direction, and then stop.
The auto reverse function may not work if a tiny obstacle is lodged between the sliding glass and the sunroof sash. You should always check that all passengers and objects are away from the sunroof before closing it.
Objects less than 4 mm (0.16 inch) in diameter caught between the sunroof glass and the front glass channel may not be detected by the automatic reverse glass and the glass will not stop and reverse direction.
WARNING - Sunroof
WARNING - Sunroof Operation
When closing the sunroof, make sure there are no body parts in the movement range of the sliding roof. Parts of the body could become trapped or crushed.
CAUTION
To prevent damage to the sunroof, periodically remove any dirt that may accumulate on the guide rail.
✽ NOTICE
If you drive with the sunroof opened right after a vehicle wash or rain, water may get inside the vehicle.
CAUTION - Sunroof motor damage
If you try to open the sunroof when the temperature is below freezing or when the sunroof is covered with snow or ice, the glass or the motor could be damaged.
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: Power Window Switch
Components and components location Components Driver Power Window Switch Assist Power Window Switch Rear Power Window Switch Schematic diagrams Circuit Diagram Driver Power Window Switch [Front Safety + IMS Type] [Front Safety + Non-IMS Type] Assist Power Window Switch [Door Lock Type] [Non-Door Lock Type] Rear Power Window Switch [Seat Warmer Type] [Non-Seat Warmer Type] Repair procedures Inspection Diagnosis With KDS 1.