Jeep 2013 Grand Cherokee - Owner Manual - Manual (Page 30)

2. Insert the tip of the emergency key or a #2 flat blade
screwdriver into the slot and gently pry the two halves
of the RKE transmitter apart. Make sure not to damage
the seal during removal.
3. Remove and replace the battery. When replacing the
battery, match the + sign on the battery to the + sign on
the inside of the battery clip, located on the back cover.
Avoid touching the new battery with your fingers.
Skin oils may cause battery deterioration. If you touch
a battery, clean it with rubbing alcohol.
Inserting Emergency Key Into Slot
Separating RKE Transmitter
28 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE