Trailhunter Hybrid high pitched noise

[maxx075]

Here's more details if you're interested.
https://www.transportation.gov/briefing-room/nhtsa-sets-“quiet-car”-safety-standard-protect-pedestrians

As of Monday, November 14, 2016: Manufacturers have until Sept. 1, 2019, to equip all new hybrid and electric vehicles with sounds that meet the new federal safety standard. Under the new rule, all hybrid and electric light vehicles with four wheels and a gross vehicle weight rating of 10,000 pounds or less will be required to make audible noise when traveling in reverse or forward at speeds up to 30 kilometers per hour (about 19 miles per hour). At higher speeds, the sound alert is not required because other factors, such as tire and wind noise, provide adequate audible warning to pedestrians.

So this is why all electric vehicles I've seen (namely Teslas) sound like a Jetson's car when they're in reverse.

Sponsored

 

[TacoFreak]

In my neighborhood the electric cars make more noise than the ICE ones because of the presence sound. I find the Tesla one to be both louder and more irritating than most of the others.

 

[DaveS1234]

I hear it is aliens coming to hijack your Toyota.

 

[tacorancher]

This is wrong. It is not the motor.

It's an independent speaker that has to exist by federal law on any electric only vehicle in order to alert blind and hard-of-sight people to a moving vehicle's presence. That's why it cuts off as soon as the ICE engine kicks in, because then the engine and exhaust make equivalent "alert" noise.

I’ve been listening more carefully. I hear two distinct sounds. One is an orb type UFO sound that comes on when it’s in electric mode the other sounds like the electric motor itself.

 

[Baltimore]

I’ve been listening more carefully. I hear two distinct sounds. One is an orb type UFO sound that comes on when it’s in electric mode the other sounds like the electric motor itself.

"The Jetsons" car sounds (any BEV/HEV)= pedestrian speaker. Other sounds = other causes

Sponsored