common with all of my cars and my mates cars
vx s pac (my old car)
vz sv6 (my new car)
s5 rx7 turbo (sounds like its centrifugal and turbo its funny :w00t: )
sr5 hi lux (my bunky)
350z
260z
:yeah:
if it bugs u that much turn the ac off and put ur window down
its simply the compressor working to cool u down :thumbsup: