Key. A Lock Cylinder to Lock the vehicle's side hinged door(s). A mechanical Key or remote used to turn on/off a vehicle's ignition and as well as open the vehicle's doors. It could also include additional functions, such as a panic button, trunk release, liftgate release, tailgate release, etc. AND Amplifier; s. Blank. Fob Blade Insert. Door. Ignition. Vehicle. Included with: Lock Cylinder, Lock Cylinder assembly.