At the top of STEP2 (above the individual car photos) is a scrolling left to right car type filter, where you can filter the results by car size, for example 7,8 or 9 seaters or convertibles where they are available.
To choose MANUAL or AUTOMATIC use the “TRANSMISSION” filter at the left hand side. Extras, such as GPS , Child Seats or ADDING an ADDITIONAL DRIVER can be reserved at STEP3 under EXTRAS.