If you don’t have the time or money to spend on Udacitys Self Driving Car nanodegree, perhaps you want to try anyway to make a car drive by itself. Perhaps your real car is not ideal for training the algorithms, then you can use the provided simulator provided by Udacity that runs in Unity.
https://github.com/udacity/self-driving-car-sim
Check this blog pos tour for some tips: Training a deep learning model to steer a car in 99 lines of code