4 ms·For example, the ubiquity of backup cameras in cars is because it is a requirement in CA.by parineum 8mo agoFor example, the ubiquity of backup cameras in cars is because it is a requirement in CA.0xffff2 8mo agoThis is not correct. The backup camera requirement comes from a NHTSA (i.e. Federal) regulation.parineum 8mo agoYou are correct. I must have mixed that up with something else! Thanks for the correction.