I noticed right after I start up the car and its idling, after a few seconds I hear a psssh psssh and then it goes away, is this some sort of pressurization going on?


Question : Also right after I accelerate after the car has sat overnight, the accelerator pedal has a slight buzz or very small vibrate as I accelerate through 5mph, is their some sort of calibration going on, this only happens after the car has first started up?

Edited cause I found the answer


It is the ABS initiliazing , and it happens every time. Good to know

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