Follow either of these procedures:
Kia Cee'd JD Service Manual: Fuel Line Repair procedures
Removal
1.
Turn the ignition switch OFF, and then remove battery (-) cable.
2.
Release the residual pressure in fuel line.
(Reter to Fuel Delivery System - "Release Residual Pressure in Fuel
Line")
...
Kia Cee'd JD Owners Manual: Storing positions into memory using
the buttons on the door
Storing driver’s seat positions
1. Shift the shift lever into P or N (for
Automatic transaxle) or Neutral (for
manual transaxle) while the engine
start/stop button is ON or ignition
switch ON.
2. Adjust the driver’s seat comfortable for
the driver.
3. Press SET button on the control ...