book
Whenever you are booking parking online always be aware that you should receive confirmation by email and even by post as well. The information that is sent will contain proof of your payment and possibly a voucher or sticker to use to enter the facility or to display on your vehicle once you are inside. It is always suggested that you take any proof with you making sure to make copy to leave at home. Taking proof is just in case there are any issues once you get to you secure parking facility, as we all know sometimes internet booking do not run as smoothly as we would like.
Also with the information it is likely you will receive directions to the cark park, if you booked online then there should also be directions on the respective website as well.