Blower Lever
WARNING: This page is about a different car, the 2001 Suzuki Vitara, 2001 Suzuki Grand Vitara, 2000 Suzuki Vitara, and 2000 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
The blower lever controls blower motor speed. When lever is in OFF position, ram air generated by vehicle motion will continue to enter the passenger compartment.