Originally Posted by puckman77

I had this problem, the dealer reset, then it came back. Upon closer inspection of the gas cap, I surmised that the o-ring was susceptible to uneven flexing if torqued too hard (the usually attempted remedy). I now simply put the cap in the hole, properly line it up, then use thumb and forefinger to lightly tighten until ONE click (no posted requirement to go to three clicks like on most other applications). Problem has not recurred in over a year. Most other gas caps have flat gaskets but ours is big and round. Try it, it's a free fix!