The above situations are normal conditions when the active eco system is activated to improve fuel efficiency.
Kia Cee'd JD Service Manual: Starter Repair procedures
Removal
1.
Disconnect the battery negative terminal.
2.
Remove the air duct and air cleaner assembly.
(Refer to Engine Mechanical System - "Air Cleaner")
3.
Disconnect the starter cable (B) ...
Kia Cee'd JD Service Manual: Rear Stabilizer Bar Repair procedures
Replacement
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the rear wheel and tire (A) from rear hub.
Tightening torque:
88.2 ~ 1 ...