To fix the backlight bulb only takes a couple of minutes, you don't need to remove the lower dash or heater control box. Pull the centre knob from the heater control panel (just pull): Then you will see the bulb in the centre, this can be pulled out with long nose pilers or tweeters (no rotation needed). I wrapped a little bit of insulation tape around the nose of the pliers just to protect the bulb on removing/refitting Faulty bulb removed, mine had a broken filament, check the filament fo