Having emergency braking and Lane departure (RDM) are the safety net features. You can get rear parking sensors installed by the dealer. I think that leaves the cross traffic as the only major point. However a sedan is generally good to learn in for good visibility. Learning should be the time to use your own eyes to watch cars. Blind spot monitors don't help much when a car is changing lanes from two lanes over. This is still necessary to use eyes to watch for, and a driving test will still expect not to rely on the car's features.