Removal Procedure

Open the hood.
Drain the washer solvent from the washer solvent container.
Disconnect the washer solvent container level sensor electrical connector.

Fig 1: Disconnecting Washer Solvent Container Level Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Using a small flat-bladed tool, remove the washer solvent container level sensor and seal from the washer solvent container.

Fig 2: Removing Washer Solvent Container Level Sensor And Seal
Courtesy of GENERAL MOTORS CORP.