Jeep 2008 Liberty - Manual (Page 142)

WARNING!
Sudden loss of visibility through the windshield
could lead to an accident. You might not see other
vehicles or other obstacles. To avoid sudden icing of
the windshield during freezing weather, warm the
windshield with defroster before and during wind-
shield washer use.
Mist Feature
Push downward on the Windshield Wiper / Washer
Control Lever to activate a single wipe cycle to clear the
windshield of road mist or spray from a passing vehicle.
The wipers will continue to operate until you release the
lever.
Mist Control
142 UNDERSTANDING THE FEATURES OF YOUR VEHICLE