Preliminary work for left air guide
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
Remove air vent for left door window. → Removing Air Vent At Door
Remove instrument panel trim. → Removing trim under the dashboard on the driver's side