First collect your balance at a metrobus iPoint, or on any of the following bus services: Abus Carmel Faresaver Somerbus To use your Pay-As-You-Go balance on the bus simply hold your card to the reader on the bus and inform the driver you wish to buy your ticket with Pay-As-You-Go balance. To buy tickets at a metrobus iPoint using Pay-As-You-Go simply place the card on the holder, select which ticket you wish to buy and select pay with sQuid. Have a look at How to use and choose your ticket to find out more.