How does one change the sens. from auto to manual...just bought a used quattro and must be missing something as have been busy but reading the manual and andys book the answers alludes me..I tend to skim read and have to be missing something somewhere and I know the auto sens. is the default setting but how the heck does one get it in manual sens..Have mastered the Explorer and XLT so not a newbie and any help appreciated..Thanks ahead of time....Dan