fix

index.php

@@ -56,7 +56,7 @@
             <?php
                 foreach ($arrVehicles as $key=>$vehicle) 
                  {
-                    $strActive =  ($i==$numVehicle) ? "selected=\"selected\"" : ""; 
+                    $strActive =  ($key==$numVehicle) ? "selected=\"selected\"" : ""; 
                     echo "<option value='$key' $strActive >$vehicle</a>";
                 }
                 echo "<input type='hidden' name='year' value='$numYear'>";