[luievalt818]

Hello, I have a Prius 2010 with 150.000 mi. and some times when the battery is running at low level (2 bars) and Im parked and start accelerating the car (some time makes a suddenly engine noise, thats noise disappear when I speed up the car. If any body know about it... I appreciated your help.. Thanks...

youtu.be/bnkNkzzcdY0

 

[Easy Rider]

I could not pick up anything unusual from your video.

It is not unusual to hear a slight thumping and feel a slight shake when the engine first turns over to start......in any model at any age.
Of course, as a vehicle gets older some noises will get louder through normal wear.

If this really concerns you, have an experienced shop take a look at it.

How long have you had this car ?
Is it your first hybrid ??

You do check the oil level frequently, right ??