They just "pop" out. On my coupe, I gripped the edge closest to the wheel and gently pulled.
Yuichi had the coupe corners in stock and shipped it out priority mail the same day. I'm about 40 miles north of him. The US Mail gods must have been smiling on me.

G35c 6MT DP Aero Nav Prem

 

i just got my corners.. fast delivery.. easy to install.. i like 'em.

'03 G35 Sedan: ivory/aero body/sport/sunroof
Warning: Objects in mirror are FASTER than they appear