crazy acting 07 grand prix

[wide open 97]

Ok guys here is the problem i need help with,i am at a lost. First my headlights would go out going down the road,real nice i might add,then my windows would not go down untill i turned car off and back on,and now my air turned on last nightwhile i had the heat on geezzzzz.Any ideas would be great....

 

[Fivefingerdeathpunch]

ignition switch

but thats strictily a guess, because a bad switch can acuase many wierd electrical problems

 

[TheOtherNick]

yeah sounds like an ignition switch

 

[wide open 97]

how can i check to see if its bad???