Four–Wheel Drive Operation (Command-Trac I Or Rock-Trac )
Jeep Wrangler / Jeep Wrangler Owner's Manual / Starting And Operating / Four–Wheel Drive Operation (Command-Trac I Or Rock-Trac )
See also:
Far End Audio Performance
• Audio quality is maximized under:
• low-to-medium blower setting,
• low-to-medium vehicle speed,
• low road noise,
• smooth road surface,
• fully closed windows,
• dry weat ...
Operating Tips
NOTE: Refer to the chart at the end of this section for
suggested control settings for various weather conditions. ...
Extreme Cold Weather (Below –20°F Or 29°C)
To ensure reliable starting at these temperatures, use of
an externally powered electric engine block heater (available
from your authorized dealer) is recommended. ...


