Q: What should be noted for the Front Seat Adjuster Switch Knob?
A:
You should pull outward from the seat to remove it. If too tight, a flat-bladed tool may be used to help disengage the knob from the switch.
Q: How to perform the visual/physical inspection?
A:
You should inspect for aftermarket devices that could affect the operation of the system and then inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.