What do the beeps mean?

A message from your tag

At electronic toll points your tag will tell you about your account. Here's what it says:


Enough credit	One beep	Bleep bleep	One beep
Account balance low – top up as soon as possible	Three beeps	Short trill	Three beeps
Account has been deactivated, suspended or cancelled – you may receive a toll notice – call your tolling provider immediately	Four beeps	Four beeps	Four beeps
There may be a problem, check that your tag is installed according to the instructions provided and if the problem persists call your tolling provider	No sound	No sound	No sound