Opening Sunroof — Manual Mode
Jeep Grand Cherokee / Jeep Grand Cherokee Owners Manual / Understanding the features of your vehicle / Commandview Sunroof With Power Shade — If Equipped / Opening Sunroof — Manual Mode
To open the sunroof, press and hold the switch rearward to full open. Any release of the switch will stop the movement and the sunroof will remain in a partially opened condition until the switch is pushed and held rearward again.
See also:
Power-Up
After switching the ignition key from OFF to either the ON or ACC position, or
after a language change, you must wait at least five seconds prior to using the
system.
...
Replacement Bulbs
Interior Lights   ...
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. ...


