So in my 2004 grand prix there's this switch beside where you put the car in gear what does it do?
Is it the traction control button???? Can you upload a picture?
it might be a hud. do you have a HUD.
This is a picture of a HUD (Heads up display) which shows speed on windshield.
This is the Traction Control button..
Looking for a Used Grand Prix in your area?
CarGurus has 2,492 nationwide Grand Prix listings starting at $1,900.
Search Pontiac Grand Prix Questions
Pontiac Grand Prix Experts