Washer Fluid Level Sensor Switch

Disconnect the negative (-) battery terminal.
Drain the washer fluid to less than 650 cc.
Check for continuity between terminals No. 1 and No. 2 in each float position.
There should be continuity when the float is down.

There should be no continuity when the float is up.
If the continuity is not as specified, replace the washer fluid level switch.

Fig 1: Locating Washer Fluid Level Sensor Switch Connector End View
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Washer Fluid Level Sensor Switch Terminal Position Chart
Courtesy of KIA MOTORS AMERICA, INC.
If the continuity is not as specified, replace the washer fluid level switch.