To get in or get out of the rear seat, the driver’s or front passenger’s seat should be folded and the seat should be slide.

Driver’s seat

Front passenger’s seat
1. Fold the front seatback by pulling up the walk-in seat lever and then slide the front seat forward.

2. Set the belt extension guide to position (3).
3. After getting in or getting out, slide the seat rearward while holding the seat cushion and then push the seatback rearward. And set the belt extension guide to position (1) or (2).
Seatback pocket
Rear seatKia Cee'd JD Service Manual: Components and components location
Components
1. Power door mirror
2. Power door mirror switch
3. Power folding mirror switch
...
Kia Cee'd JD Service Manual: Parking Assist Sensor Repair procedures
Removal
[Rear Bumper]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear bumper cover.
(Refer to Body - "Rear Bumper Cover")
3.
Disconnect the connector (A) from the ...