Preparations when removing the windshield wiper arms

Fig 1: Checking Wiper Motor Is In Parked Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Turn on ignition.
Check that the wiper motor is in the parked position.
Switch the windshield wipers on and off.

If the wiper motor is not functioning, see Replacing the windshield wiper motor .
Switch off the ignition.