

The rearview camera will activate when the back-up light is ON with the ignition switch ON and the shift lever in the R (Reverse) position.
This system is a supplemental system that shows behind the vehicle through the navigation monitor while backing-up.
WARNING
System malfunction
Hazard warning flasherKia Cee'd JD Service Manual: Rear Wheel Speed Sensor Repair procedures
Removal
1.
Remove the rear wheel and tire.
Tightening torque:
88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)
2.
Remove the rear wheel speed sensor mounting bolt (A).
...
Kia Cee'd JD Service Manual: Repair procedures
Inspection
Signal Circuit Inspection
1.
Check ignition lock switch pull-up voltage
(1)
IG KEY "OFF", ENGINE "OFF".
(2)
Disconnect ignition lock switch connector ...