I you have the All Wheel Drive (AWD) version - you should check the level of the fluid in your rear differential case. If the level of fluid is okay, you may have a rear wheel bearing that is going bad.
Possibly worn wheel bearings can create a humming or groaning sound.
A bearing going bad.
the bearings
A humming bird
bad wheel bearings
No, but a bad wheel bearing could.
You may need differential fluid...check that.
There could be a few things that can cause this humming sound. It could be the wheel bearings rubbing, it could be the gears rubbing, it could even be coming from the engine pistons.?æ
The motor which blows air through the vents.
The word is droning. It means to make a continuous low humming sound.
Depending on where the sound is coming from, it may be your fuel pump. Sometimes they are noisy.
purring?