See also:

When To Use 4L (Low) Range
When off-road driving, shift into 4L (Low) for additional traction and control on slippery or difficult terrain, ascending or descending steep hills, and to increase low speed pulling power. This ...

Winter Operation
Use of the air Recirculation Mode during winter months is not recommended because it may cause window fogging. ...

Winter Operation4
When operating the system during the winter months, make sure the air intake, located directly in front of the windshield, is free of ice, slush, snow, or other obstructions. ...