GTA Style Vehicle Interaction - Project File Included

Hmm, I guess I am not approaching the right way, if I wanted to replaced the GTA Character with my own, I have the inputs and I can copy and paste the nodes/variables (along with the controller blueprints) but I am still not getting it right, if you can point me in the right direction I’m confident I can get it eventually.

Currently getting error:

Error Accessed None ‘Sedan’ from node Set Actor Rotation in blueprint MyController

Having trouble replacing the GTA references in the Sedan blueprint