06 Mercury Milan-Loose Gas Cap

[Kimmie42]

My check engine light went on because my gas cap wasn't on tight. It will be 2 weeks tomorrow and the light is still on. My manual says it's suppose to go off by itself in 3 driving cycles but it hasn't. Does anyone know if I need to bring it to the dealer to have the light turned off or is 2 weeks not an unreasonable amount of time, and I should just be patient and wait a little longer. I hate driving with that light on! Thanks!

[KimMG]

Take it to autozone and have the codes read. They read the codes for free.