How do you change the grill on a 2007 Lucerne?

To change the grill on a 2007 Buick Lucerne, first, open the hood and remove any screws or clips securing the top of the grill. Then, carefully unclip or detach the grill from the front fascia by pulling it outward. Once it's free, replace it with the new grill by aligning it properly and securing it with the screws or clips. Finally, close the hood and ensure everything is properly aligned.