For 1990-2009 cars

## Defroster Grille Replacement Buick

### Removal Procedure

1. Carefully pry the windshield defroster grille up from the instrument panel (IP) assembly.
2. Disconnect the sunload (1) and twilight sentinel (2) sensors from the windshield defroster grille. Refer to Sunload and Twilight Sentinel Sensor Replacement .
3. Remove the defroster grille.

### Installation Procedure

1. Partially install the defroster grille.
2. Connect the sensors (1,2) to the defroster grille. Refer to Sunload and Twilight Sentinel Sensor Replacement .
3. Align the tabs to the retainers in the instrument panel assembly.
4. Apply downward pressure in order to seat the defroster grille.

## Defroster Grille Replacement Oldsmobile

### Removal Procedure

1. Carefully pry the windshield defroster grille (1) up from the instrument panel (IP) assembly.
2. Disconnect the wire harness (3).
3. Remove the defroster grille.

### Installation Procedure

1. Partially install the defroster grille.
2. Connect the wire harness (3).
3. Align the tabs (2) to the retainers in the instrument panel (IP) assembly.
4. Apply downward pressure in order to seat the defroster grille.