WARNING: This page is about a different car, the 2012 Dodge Challenger. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Block Heater Element
Courtesy of CHRYSLER GROUP, LLC
Raise and support the vehicle.
Remove the power cord from the block heater (1).
Remove the bolt (2) on the block heater (1). Remove the block heater assembly (1).