$agent->submit_form(
        form_name => 'quickSearchForm',
        fields      => {
            search      => 'new',
            make        => 'Subaru',
            model       => 'B9 Tribeca',
            trim        => '5-Passenger Ltd.',
            showImages  => 'yes',
            fz          => 'true',
        }
    );

##</code><code>##

Illegal value 'new' at C:/Perl/site/lib/WWW/Mechanize.pm line 1178