After tweaking some of the code and realizing that I had made a little error causing it to stop circling the car, I got it to where the cart will enter the screen and is attracted to the car and depending on the angle of entry will head straight towards the car or circle it.
I am debating whether to change how it moves closer to the border of the screen but for now this is looking real good. I had also started to mess with importing the background from DPC+ to PXE but I may just go and redraw the playfield with the better PXE resolution. I just need more practice with the features.