Removing Key Bit

Release the key of the remote control and carefully jam a crosshead screwdriver -A- between remote control and key so that the key does not engage in its end position.

Fig 1: Removing Roll Pin
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Place a tool, e.g. a 10-mm open-ended/ring wrench -B- , between the key bit and the working surface.
Drive out the roll pin -C- - spring steel (max. diameter 1.5 mm) - with a tool such as a mandrel.
Fully pull out the roll pin with a pair of pliers.

Fig 2: Pulling Out Roll Pin With Pliers
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Pull out key bit -arrow- from the remote control.

Fig 3: Pulling Out Key Bit
Courtesy of PORSCHE CARS NORTH AMERICA, INC.