Dodge Challenger 2018 Owner's Manual page 40

38 GETTING TO KNOW YOUR VEHICLE
To Enter The Trunk:
With a Passive Entry key fob within 5 ft (1.5 m) of the deck
lid, push the button located on the center of the light bar
which is located on the deck lid above the license plate.
Trunk Passive Entry Button
NOTE: If you inadvertently leave your vehicle's Passive
Entry key fob in the trunk and try to close the deck lid, the
deck lid will automatically unlatch, unless another one of
the vehicle's Passive Entry key fobs is outside the vehicle
and within 5 ft (1.5 m) of the deck lid.
To Lock The Vehicle's Doors:
With one of the vehicle's Passive Entry key fobs within 5 ft
(1.5 m) of the driver or passenger front door handles, push
the door handle lock button to lock both doors.
Push The Door Handle Button To Lock
Do NOT grab the door handle, when pushing the door
handle button. This could unlock the door(s).