RAM 2013 Cargo VAN Owner's Manual page 31

THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 29
2
Inserting Emergency Key Into Slot Separating RKE Transmitter
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.