Beam lights turn on in the dash when it rains

[LeftoverPhoenix]

My headlight beam indicator turns on in the dash whenever it rains or I take it through the car wash. The lights don’t turn on unless I click the turn signal switch back as intended but the dash indicator for it stays on no matter what. Kinda stumped as to why
2002 Chevy Tahoe LT 4wd

 

[Doubeleive]

I do not have a 21 but sounds like the automatic headlights are coming on, around here that would be a good thing since if it is raining your lights are required to be on by law

 

[WalleyeMikeIII]

My headlight beam indicator turns on in the dash whenever it rains or I take it through the car wash. The lights don’t turn on unless I click the turn signal switch back as intended but the dash indicator for it stays on no matter what. Kinda stumped as to why
2002 Chevy Tahoe LT 4wd

Is this question about a 2002??