Don't know about '02 but this is the '07 procedure for Japan made:
(a) Push the upper part of the mirror surface and tilt it.
(b) Using a moulding remover, disengage the 2 claws at the lower part of the outer rear view mirror, and remove the outer rear view mirror glass.
(b) Using a moulding remover, disengage the 2 claws at the lower part of the outer rear view mirror, and remove the outer rear view mirror glass.