I have a leak around the remote vavle of my Kohler K-649-VS. Does anyone know how to remove the bonnet?

Hi! darisa, welcome to AMHD :)

By bonnet do you mean spray head?

Need the manual?:
http://www.us.kohler.com/onlinecatalog/pdf/1048033_5.pdf

It shows it unscrews from the hose, page 4
It also shows a bonnet on page 9, it should unscrew also.

K