See also:

Recreational Towing – Four-Wheel Drive Models
NOTE: The transfer case must be shifted into NEUTRAL (N), automatic transmission must be shifted into PARK, and manual transmission must be placed in gear (NOT in NEUTRAL) for recreational towing. ...

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. ...

Special Additives
The manufacturer strongly recommends against the addition of any additives to the transmission. The only exception to this policy is the use of special dyes to aid in detecting fluid leaks. The ...