Hello,
We have extracted a small section from our existing Udemy Course(Implement Jets and Choppers in UE4 Blueprints) and made them available as a bunch of free tutorials on Youtube that aims to teach you how to implement entering/exiting vehicles as a Character using Blueprints.
Here is the Playlist Link to it : Enter/Exit Vehicle as Character using Unreal Engine 4 Blueprints - YouTube
Cheers! Have a great day!