For 1990-2009 cars

### Removal Procedure

1. Remove the IP upper trim panel. Refer to Instrument Panel Upper Trim Pad Replacement or Defroster Grille Replacement
2. Disconnect the sunload (2) and the twilight sentinel (3) sensors from the IP upper trim panel by turning a quarter turn.

Remove the sensors from the trim panel.

3. Remove the sensors.

### Installation Procedure

1. Install the sensors.
2. Install the sensors (1, 2) to the upper trim panel.
3. Turn the sensors a quarter turn to secure the sensors.
4. Install the upper trim panel. Refer to Instrument Panel Upper Trim Pad Replacement or Defroster Grille Replacement .