2008 Porsche Cayenne Turbo Q&A

2008 Porsche Cayenne Turbo Question: Air Conditioning Control Knob fell off?

The rear air speed control knob of the AC fell off today while trying to increase the air flow!! I tried putting it back but it i couldnt. does that mean it was broken or can it be fixed (just put back)?? -
Answer 1
Sounds like the knob is worn out to me. -