This transcript has been automatically generated and may not be 100% accurate.

I ... tht ... I read an electric vehicles might be getting sleeker and quieter ... than some people would prefer a little more points ... for pedestrians who are blind or visually impaired ... this new breed of White Hart is a potential past ... the president ... Nino sounded very little sun and so ... the Lennar's digs in above and hold on power ... dangers ... that means you may know sounds you know I get that I'm improving ... as you can get into the reasons is the ... the one manufacturer Nissan ... has found a solution with its all new electrically ... because this low speeds ... the sound generating devices speaker ... which is tucked under here and engine compartment ... projects to sound out this way ... and it sort of AEIS jet engine mostly divides her sound ... she worked with the car maker to help develop sound including a beeping noise in our backstop ... Nissan's Gasol engineer wanted to be ... cooler ... than they had in mind something like ... you know the new program that Jepsen that's nice alien space ... crafts I ... but there are ... it is a higher page ... and ... as people aged not only was hearing ... but ... if you're a man whose ... hearing ... the higher age range ... here in suburban Detroit Schinni demonstrates how to wind or Priceline hair figure out we are are coming from ... and where are my people ... I can tell one story for my right ... that's a perpendicular traffic such a way it's gone ... I hear them ... the ... Sonders wrapping around in this and the Einstein only turn left ... to teach them up ... another vehicle ... just read Romick from my left ... across the fund to pawn off my right ... Nissan's new sounds can be heard on two thousand weeks are running around the US ... the other car makers will soon be joining in with their own versions ... because of new federal regulations ... the Wall Street Journal this is Mike Ramsey Detroit ...