Buick Rendezvous Noises Hum

Hello, I Have A Buick Rendezvous And I Love My Car. It Serves Me Well And Also Still Runs Very Good. However These Past Months It Has...

Feels Like I'm Sitting On It So Front Somewhere. Sound Increases Upon Acceleration And Decreases When Slowing Down. Sound Is Constant At...

Have A Loud 'humming' Noise, Or Droning Noise Especially In Colder Weather That Comes On When Accelerated. Is There A Fix? Dealer Doesn't...