Turbine noise??? I don't think there is a turbine in it. At least there isn't one in mine. Are you talking about the noise it has to make, by law, because it is an electric vehicle.
You have to remember that the electric motor is tiny to say the least. If it can't maintain throttle demand...
If there is a battery underneath the rear seat, its news to me (2021 F-150 PowerBoost). There IS a small inverter... but I don't think there is a battery.
These PB vehicles do make a lot of noise at low speeds.... there is always something clanking or whirring. Figured it was just normal electric power train noise. Now... if we could just get rid of the stupid Ding Ding Ding when backing up. I feel like I'm driving a forklift rather than a...