mechanically enabling parachutes are needed for the car.

that is not dependant on electronic means but more chemical

and mechanical based in case of absolute guarantee in emergencies.

and some spring mechanism on the seats to absorb the impact....

 

though if it falls, it would fall from a certain height maximum.

flying car needs to have limits following along,

invisible tunnels in the air.

 

even manual drive should have limits on the height.