The Online Check-In process (formerly known as Self Check In) has been completely revamped and improved. The ability to collect payment and purchase ancillary items during the check-in process has also been added. If you have enabled the PDF Boarding Pass, passengers can now download this, as well.
Figure 3.1.1: Online Check-In - Reservation Search
Figure 3.1.2: Online Check-In - Passenger/Segment Selection
Figure 3.1.3: Online Check-In - Seat Selection
Figure 3.1.4: Online Check-In - Boarding Pass
Figure 3.1.5: Online Check-In - Completion