To see plant or tree roots in your dream symbolize the depths and core of your subconscious mind and soul. It represents your values and belief system. Alternatively, roots denote your family ties and bonds. You may be searching into your past. Or perhaps you need to get to the root of some problem in your waking life.
Sally Carrera (or simply known as Sally) is the tritagonist of the 2006 Disney/Pixar animated film, Cars, and a supporting character in its 2011 sequel, Cars 2. She is the attorney of Radiator Springs, and Lightning McQueen's love interest, which he later becomes her boyfriend.
From a quick look, I think they got most of the cars right, though, there are some that don't seem to match, like the UbermachtOracel1 (No9. BMW M6), and the ChevalPicador (No.50 Holden Kingswood Utility). Do take a look yourself and if you discover any other discrepancies, share them in the comments box.