The above situations are normal conditions when the active eco system is activated to improve fuel efficiency.
Active ECO operation
Limitation of Active ECO operationKia Cee'd JD Service Manual: Back-up Lamp Switch Specifications
Specifications
Item
Specified
Type
ON/OFF
Operation condition
Reverse gear
Operation voltage
10V ~ 15V
Operation temperatures
-30°C ...
Kia Cee'd JD Service Manual: TPMS Sensor Repair procedures
Removal
1.
Remove the valve core and deflate the tire.
2.
Remove the side of the tire bead area from the wheel using tire changing
machine .
...