Low fluid level.
Certain types of tires may cause a brief humming noise after your initial acceleration. The transmission may also cause a brief humming noise.
Wheel bearing.
The fuel pump is engaged.
Could be a bearing going bad.
Check the bearings.
Check the wheel bearing.
the humming noise is coming from a bad ground on you stereo
radiator fans running to cool engine...
wheelbearing or cv axle enjoy
Possible causes of a persistent humming noise in your house, not related to electrical issues, could include plumbing problems, HVAC system issues, or structural vibrations. It is recommended to investigate these areas to identify and address the source of the noise.
Irregular choppy wear in a tire, bad wheel bearing.
Where is the noise coming from? If its from the fenders or wheels is a much different problem than if its coming from the transaxle.