Heathenstar 
2007 Nissan Sentra Sedan 2.0 S 4dr Sedan (2.0L 4cyl CVT)
Rear end wanders
 Love the car when road conditions are good.  However, in snow, ice, or rain the rear end of the car wanders and is frightening to drive.  No solution from dealer yet. Some websites suggest this is a problem with rear end alignment and could be a manufacturing defect. 