A reader Shawn asks : Hi, My mother just bought a new Camry '07 as well and we both had a question and we cant seem to find an answer anywhere. We were wondering what the differnce is in the gears on the shifter, like what is different about using "D" vs. "B" like what is differnt about them and when should we use them? The Short Answer : Use the B mode when you are driving downhill for long distances (like down a mountain for more than 30 minutes). The “B“ mode is NOT a lower gear, like you would ......