If the following conditions occur while Active ECO is operating, the system operation is limited even though there is no change in the ECO indicator.
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 Service Manual: Shift Lever Repair procedures
Removal
1.
Disconnect the battery negative (-) cable.
2.
Remove the gear boots (A) and then remove the shift lever knob (B) by
rotating counter-clockwise.
3.
Remove the floor console assembly. ...