Jeep 2004 Liberty - Manual (Page 200)

Mix
Air flows through the floor outlets, the outlets at
the base of the windshield, and the side window
demisters outlets.
Defrost
Air flows through the outlets at the base of the
windshield and through the side window demister
outlets.
Air Conditioning
Blower Control
The rotary knob on the left controls the blower and can be
set in one of four positions from Low to High.
200 UNDERSTANDING YOUR INSTRUMENT PANEL