dome light came on and now it won't turn off.
Check your door latches, one might just be dirty/corroded or it failed. Your car thinks one of the doors are open. I would spray some WD-40 in the car door latches, one at a time to see if you can get the light to go out.
Search Pontiac G6 Questions
Pontiac G6 Experts
Related Models For Sale
Used Hyundai Sonata"
680 Great Deals out of 62,818 listings starting at $725
Used Volkswagen Passat"
403 Great Deals out of 27,501 listings starting at $1,495
Used Nissan Altima"
1,011 Great Deals out of 80,774 listings starting at $1,000
Used Cars For Sale
2009 Pontiac G6 GT For Sale
16 Great Deals out of 341 listings starting at $4,995
2008 Pontiac G6 GT For Sale
18 Great Deals out of 391 listings starting at $3,995
2007 Pontiac G6 GT For Sale
10 Great Deals out of 248 listings starting at $4,500
2006 Pontiac G6 GT For Sale
7 Great Deals out of 237 listings starting at $3,695