Forward and backward

To move the seat forward or backward:
1. Pull the seat slide adjustment lever up and hold it.
2. Slide the seat to the position you desire.
3. Release the lever and make sure the seat is locked in place.
Adjust the seat before driving, and make sure the seat is locked securely by trying to move forward and backward without using the lever. If the seat moves, it is not locked properly.
Seatback angle

Turn the control knob forward or rearward to move the seatback to the desired angle.
Seat cushion height

To change the height of the seat cushion, push the lever upwards or downwards.
Lumbar support

The lumbar support can be adjusted by pressing the lumbar support switch on the side of the seat.
1. Press the front portion of the switch to increase support, or the rear portion of the switch, to decrease support.
2. Release the switch once it reaches the desired position.
Front seat
Automatic adjustmentKia Cee'd JD Service Manual: Repair procedures
Inspection
[System Inspection]
1.
Disconnect the vapor hose from the throttle body and connect a vacuum
pump to the nipple on the throttle body.
2.
Check the following points with applied vacuum using a vacuum pump.
...
Kia Cee'd JD Service Manual: Hands Free Mic Repair procedures
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the roof trim assembly.
(Refer to Body - "Roof Trim Assembly")
3.
Remove the hands free mic (A) after disconnecting ...