my 07 has a clicking sound when pulling off or backing up. only clicks 2-3 times then is fine after about the third stop light until i go back to park or reverse then starts over. dealer has no clue, i go back in tommorow so they can try some more experiments. 2 more on this site describe same thing with no answers yet. any ideas would help before monday. techs need all the help they can get, not real knowledgeable at my dealer.