What does 4WD mean on a 2006 Silverado?
What does 4WD mean on a 2006 Silverado? Operates normally in Auto 4wd, 4Hi, and 4Lo, and 4wd functions as it should. By that I mean that the front wheel driveline is engaged in 4Hi & 4Lo, and engages under hard acceleration or rear-wheel slip in 4wd Auto. Why does my Chevy Colorado not switch to 4WD? I'm having an issue with my truck switching to 4WD High. I press the button while stopped or in neutral and the light just flashes. I hear something click under the truck but its obvious it isn't switch to 4WD. Is there a...