Tap the metro card at a station balance-check kiosk or card reader
Check the balance on the ticket vending machine after inserting or tapping the card
Use the official metro transit mobile app, if available
Log in to the transit authority website and enter the card number
Call the metro customer service helpline and follow the balance inquiry steps
Visit a station counter and ask staff to check the balance
Check the balance on the receipt after a recent metro card transaction, if provided