For 1990-2009 cars

### Removal Procedure

1. Place a clean shop towel against the faceplate and under the controller knob indicator to protect the faceplate surface.
2. Pry the controller knob with screwdriver ensuring that it is lifting from the controller lever evenly.

### Installation Procedure

1. Position the controller knobs slotted guide with the raised guide on controller lever.
2. Push the controller knob onto the lever until flush with the faceplate.