Jeep 2004 Grand Cherokee Owner's Manual page 16

16 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE
can be used to open the liftgate. The emergency liftgate
latch release can be accessed through a snap-in cover
located on the liftgate trim panel.
WARNING!
Driving with the flipper glass open can allow poi-
sonous exhaust gases into your vehicle. You and your
passengers could be injured by these fumes. Keep
the flipper glass closed when you are operating the
vehicle.