redmine_qbo/app/views/vehicles/_form.html.erb

<div class="row">
  <div class="span6 columns">
    <fieldset>

      <%= form_for @vehicle do |f| %> 
        <div class="clearfix">
          Customer: 
          <div class="input">
            <%= f.select :qbo_customer_id, QboCustomer.all.pluck(:name, :id).sort, include_blank: true,  :selected => @selected_customer, :required => true%>
            </div>
        </div>
        
        <div class="clearfix">
          Year: 
          <div class="input">
            <%= f.text_field :year, :required => true %>
          </div>
        </div>
        
        <div class="clearfix">
          Make:
          <div class="input">
            <%= f.text_field :make, :required => true %>
          </div>
        </div>
        
        <div class="clearfix">
          Model:
          <div class="input">
            <%= f.text_field :model, :required => true %>
          </div>
        </div>
        
        <div class="clearfix">
          Notes: 
          <div class="input">
            <%= f.text_area :notes, :rows => 6%>
          </div>
        </div>
        
       <div class="actions">
        <%= f.submit %>
       </div>
      <% end %>

    </fieldset>
  </div>
</div>