Trailhunter Hybrid high pitched noise

[Bcphoto3]

Just got my TH this weekend.. Less than 350 miles driven (picked up at dealer with 28 miles). One thing I notice is a high pitched noise starting at under 20mph (coming down in speed, coasting) with or without braking. Noise goes away immediately when apply gas. RPMs are 0 when hear the noise. As soon as apply gas and RPMs go up, noise is gone.. Kinda think this might be a Hybrid plant noise, but have had a Prius since 2011 without noise, so not inexperienced with Toyota Hybrids. Wondering if just me, just my TH, maybe I have super senstitve hearing, or are other owners hearing the same thing.

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[SP4RUNNER]

......its your hybrid batt taking over , when you go above a certain speed it turns the motor on.

 

[tacorancher]

It’s the hybrid motor

 

[Bcphoto3]

Thanks guys.. Its just weird that it is more pronounced than in the Prius.. Or maybe we‘ve had the Prius so long I don’t notice anymore and my daily driver was the 4Runner and just different..

 

[Mirach]

I remember seeing in the manual somewhere about it making a high pitched noise on hybrid power for pedestrians to hear.

 

[TacoFreak]

I remember seeing in the manual somewhere about it making a high pitched noise on hybrid power for pedestrians to hear.

Exactly. Below a set speed (don't remember exact speed) when running on the battery it makes Toyota's weird warning sound to warn pedestrians of an approaching vehicle.

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