GM quick fix #95:
Try letting the air out of the passenger side rear tire until the vehicle is level
2003 Yellow H2, Lux Series, Air Suspension, Front Brush Guard, Rear Tail Lamp Guards, Helo Maxx 8 Chrome Rims, MC2 Chrome Billet Locking Fuel Door, MC2 Chrome Hood Handles, MC2 Chrome Hood Latches, Chrome Billet Hummer Logo Hitch Step