Kia Sportage: Rear window wiper and washer switch
The rear window wiper and washer switch is located at the end of the wiper and washer switch lever. Turn the switch to the desired position to operate the rear wiper and washer.
ON - Normal wiper operation
INT - Intermittent wiper operation (if equipped)
OFF - Wiper is not in operation

Push the lever away from you to spray rear washer fluid and to run the rear wipers 1~3 cycles. The spray and wiper operation will continue until you release the lever.
Front windshield washers
Interior lightPurge Control Solenoid Valve (PCSV): Specifications
Specification
ItemSpecificationCoil Resistance (?)19.0 ~ 22.0 [20°C(68°F)]
...
Rear Bumper: Components and Components Location
Components
1. Front bumper cover2. Front bumper side bracket [RH]3. Front bumper side bracket [LH]
...