How do you change the alternator on a 2007 Santa Fe?

To change the alternator on a 2007 Hyundai Santa Fe, first disconnect the negative battery cable to ensure safety. Remove the serpentine belt by loosening the tensioner and then unbolt the alternator from its mounting bracket. Disconnect the electrical connectors and remove the alternator from the engine bay. Install the new alternator in reverse order, reconnect the battery, and check the belt tension before starting the engine.