You will have to you will have to completely remove the front fascia to get at the grill. Removing the grill is easy once ya get the fascia off. This is a copy/paste from elsewhere I stuck in my notes for when the heritage grill eventually makes it's way to me
Fascia Removal
Remove the front wheelhouse liners. Refer to Front Wheelhouse Liner Replacement
1
Front Bumper Fascia Upper Support Push-In Retainer (Qty: 6)
2
Front Fender Support Bracket Screw (Qty: 2)
Tighten
7 N·m (62 lb in)
3
Front Bumper Fascia Outer Bracket Nut (Qty: 6)
Tighten
7 N·m (62 lb in)
4
Front Bumper Fascia Bolt (Qty: 2)
Tighten
3 N·m (27 lb in)
5
Front Bumper Fascia Lower Bolt (Qty: 2)
Tighten
7 N·m (62 lb in)
6
Front Bumper Fascia Lower Screw (Qty: 2)
Tighten
7 N·m (62 lb in)
7
Front Bumper Fascia Lower Retainer (Qty: 6)
8
Grill Removal
Disconnect the main electrical connector.
1. Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement(see procedure above)
2. Remove the front bumper energy absorber.
3. Place the bumper fascia face down on a clean protected surface.
4. Release the grille tabs securing the center grille to the front bumper fascia.
Tip
Each individual front bumper fascia tab must be secure to each slot in the center grille prior to re-assemble of the fascia to the vehicle.