Can I use EXPRESSTOLL if there is no tag installed in the vehicle?

If you opted in at the counter:

• Yes, you can use the EXPRESSTOLL service on the M50 toll motorway only.
• For all other toll locations, you will need to stop and use the self-pay option.
• Please ask the Enterprise agent about the availability of an alternative vehicle equipped with EXPRESSTOLL for a preferred experience. 

If you opted out at the car hire counter:

• No, you cannot opt in from the vehicle if there is not an installed transponder.
• If you incur M50 tolls, you should pay them directly to toll authority.
• If not paid within the defined time, you will be billed the cost of the toll and an additional handling fee of €8.50 (exempt from VAT) by Enterprise.