If you notice any problem, have your vehicle checked by an authorized Kia dealer as soon as possible.
Kia Cee'd JD Service Manual: Accelerator Position Sensor (APS) Repair procedures
Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Turn the ignition switch ON.
3.
Measure the output voltage of the APS 1 and 2 at C.T and W.O.T.
Specificati ...
Kia Cee'd JD Service Manual: Roof Antenna Repair procedures
Removal
1.
Remove the rear roof trim.
(Refer to Body - "Roof Trim Assembly")
2.
Disconnect roof antenna connectors (A).
3.
Remove the roof antenna (B) after removing a nut (A).
...