Why does your Hyundai Santa Fe make a whining noise while driving?

A whining noise in your Hyundai Santa Fe while driving could be caused by several factors, such as a worn or failing serpentine belt, which may produce a high-pitched sound as it slips or rubs. It could also indicate issues with the transmission, like low fluid levels or internal wear. Additionally, problems with the Power Steering pump or wheel bearings can contribute to whining noises. It's best to have a qualified mechanic diagnose the issue to prevent further damage.