That takes care of the backlit portions of the headlight knob. Many don't know that there is a bulb in the center of the headlight switch (orange) that lights up when you pull the knob two clicks (to engage the rear fog taillight). The bulb should be visible in the shaft when you remove the knob.
2009 ML350 (84K) - Family vehicle
2001 CLK430 Cabriolet (71K) - Wife's car
2005 BMW 645CI (124K) - My daily driver
2012 Mustang V6 (60K) - Daughter's car