BYD Yangwang U8 has remarkable emergency floating function that would save lives
supercarblondie.com
supercarblondie.com
In this context, the advice "Turn Around Don't Drown®" seems correct.
Though perhaps the BYD solution could be more effective for dumb drivers (which, according to CDC, seem abundant).
Sometimes it may be the least bad option, floods can get pretty wild and extensive. Maybe someone travels around in deltas commonly and like the extra safety?