To add the wheelchair to my booking, the steps are listed below:  Initially, add an SSR (Special Service Request).  To add the SSR just contact us. There are no fees for SSR for an existing booking.  Before departure, select a seat.  Click on the icon “Next”, when you got your shopping cart.  Enter all the details of travellers.  Go to the section “Traveller Details”.  Click on the icon “Additional Information”.  Choose the icon “plus (+)”.  Click on the option “I require wheelchair assistance”.    In this way, your request for a wheelchair is accepted.