For 1990-2009 cars

### Removal Procedure

1. Remove the control head. Refer to CELL LINK 63235 HVAC Control Assembly Replacement .

Important: Use care not to touch bulbs with bare fingers.

2. Use a small flat-bladed screwdriver to rotate the bulb base counter-clockwise.

### Installation Procedure

1. Use a small flat-bladed screwdriver to rotate the bulb base clockwise.
2. Install the Control Head. Refer to CELL LINK 63235 HVAC Control Assembly Replacement .