To Unlock The Doors - Jeep 2007 Grand Cherokee Series Owner's Manual

20 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE
NOTE: If the key is in the ignition switch, then all
buttons on that transmitter will be disabled. The buttons
on the remaining transmitters will work. If the vehicle is
shifted out of P (Park), all the transmitter buttons are
disabled for all keys.
Four Button Transmitter
Five Button Transmitter

To Unlock the Doors

Press and release the "Unlock" button on the transmitter
once to unlock the driver's door, or twice to unlock all
doors. The turn signal lights will flash twice to acknowl-
edge the unlock signal. The illuminated entry system also
turns on.