Dodge DART 2016 Owner's Manual page 17

The emergency key allows for entry into the vehicle
should the battery in the vehicle or the RKE Key Fob go
dead. You can keep the emergency key with you when
valet parking.
RKE Key Fob
THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 15
RKE Key Fob
To remove the emergency key, slide the mechanical latch
on the face of the RKE Key Fob sideways with your
thumb and then pull the key out with your other hand.
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