[Firebreak]

Well, I read through the manual and the only thing that seemed close to what I am describing is this. (But it says you will hear it only when the engine is off)

Note: While the engine is off, the sound of a valve opening and closing can be heard at the rear of the right side of the vehicle, however this does not indicate an abnormality. Your vehicle has a self-checking device and it operates while the engine is off.

Sounds fine and dandy, but it doesn't say if it's abnormal to hear it with the engine on, lol! What do you guys think?

Fire