For adaptive cruise control (varies speed based on the car in-front of you), some will only take you so slow. Some auto makers can have the adaptive cruise control bring you to a full stop (for something like stop-and-go traffic).
Then a step up on the "drifting out of your lane" is one that will attempt to keep you in your lane (Acura and Mercedes have this, goes by the name "Lane Keep Assist"). [0]
Then a step up on the "drifting out of your lane" is one that will attempt to keep you in your lane (Acura and Mercedes have this, goes by the name "Lane Keep Assist"). [0]
[0] https://www.youtube.com/watch?v=ef0KRWJwA2Q