This driver master control switch specially designed for 2nd generation Volvo XC90 is integrally injection molded with thickened high-gloss eco-friendly ABS. The long housing is copied 1:1 from original factory mold to perfectly match the mounting slot of original front left door interior of XC90. Four glossy curved window buttons are printed with laser-etched white window lift icons, which resist whitening and peeling after long-time pressing friction. An L/R left/right mirror selector 4-way adjustment joystick is integrated on the top right, a separate rear window child safety lock button is arranged at bottom left. The housing is equipped with integrated locating clip base, vehicle-exclusive wiring socket on the back with high-purity anti-oxidation copper terminals inside. It can be snapped into door trim panel directly for non-destructive replacement of old switch, no door panel grinding, cutting or vehicle electronic control program rewriting required.