2012 Buick Enclave Owner's Manual - Page 406

10-94 Vehicle Care 3. Center the slot in the floor mat grommet with the knob on the floor and set into position. 4. Turn the knob until it is perpendicular to the slot in the grommet to lock the mat in place. 5. Make sure the floor mat is properly secured and verify that it does not interfere with the pedals. 3. Make sure the floor mat is properly secured and verify that it does not interfere with the pedals. Knob Retainer Floor mats with a knob retainer. Removing and Replacing the Floor Mat 1. Turn the knob until it is aligned with the slot in the floor mat grommet. 2. Pull up on the floor mat.