See also:

Kia Rio owners manual
...

Rearview camera
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 beh ...

Four wheel drive (4WD)
Engine power can be delivered to all front and rear wheels for maximum traction. Full-time 4WD is useful when extra traction is required on road, such as, when driving on slippery, muddy, wet, ...