Pull off selector lever grip.
Take out bottom panel of storage space.

16120001 - click to zoom
 
Remove cover.

16120002 - click to zoom
 
Remove rocker switches. (Do not disconnect electrical
cables).
Loosen screws on cover.

16120003 - click to zoom
 
Take selector lever gate off support.

16120004 - click to zoom
 
So as to avoid accidental shifting from A to R build in the
selector lever gate with modified pressure spring (1).
(A) Old version
(B) Modified pressure spring

16120005 - click to zoom