hvac

Hello all, my vents have been blowing hot air regardless of the setting (ac on/off, temp knob cold/hot). I had the ac checked out and the diagnosis so far is that the blend door has an issue. So I disassembled the dash (GREAT DIY on this site) and got to a part that had small plastic fins...

Was asked to change a burn out heater switch light bulb on my mother's '04 NB Cabrio. Now I've owned 2x MK4's already (Golf/Jetta) and both have had the mini bulb behind the similar looking heater switch burn out. The procedure was put it in the off position and pull out and work from there...