2001 Chevrolet Metro Windshield Washer Switch

You need to disable the SIR System, remove the knee bolster, disconnect the rear wiper/washer electrical connector, push up on the clip on the bottom of the rear wiper/washer switch, and remove the rear wiper/washer switch from the left garnish trim panel.

You need to connect the rear wiper/washer electrical connector, install the rear wiper/washer switch to the left garnish trim panel, push in the switch until the clip engages fully, install the knee bolster, and enable the SIR System.