You could book a ticket at the counter but you might be too late to book a comfortable window seat or risk being too late to book any seat at all.
Holder of Zone A pass holder can park at all 3 zones while Zone B and Zone C pass holder can only park at Zone B and Zone C.
Among all international labels available within the terminal, some boutiques such as are only available in the airport.
You can refer to the details in the app to check the area coverage for each zone.
Buses depart from Pudu Sentral every 30 to 60 minutes from 3.
They are the same train using the same lines.