We had major charges to our card from a rental in the Miami/Fort Lauderdale area where they have "cashless tolls", expect this:
Following are the fees charged by the major rental car companies. If a company is listed as opt-in, you must decide at the time of rental if you want to participate in automatic tolling. Failing to do so can expose you to large administrative fees per infraction.
Where opt-in is automatic (or if you fail to opt-in but use a Sunpass lane anyway) the charges will appear on you credit card without notice some time later, usually long after the car is returned.
Dollar, Thrifty, Sunshine:
Customer must opt-in (decide) at the time of rental.
If renter participates, there is a $8.99 daily fee each day of the rental whether a toll was used or not.
All tolls are included in the daily fee.
The maximum fee is $45.99 per week
If customer does not opt-in and a cashless gantry or SunPass lane was used, a $15.00 fee per infraction will be added at the end of the rental.
Advantage, Hertz, Firefly:
Participation is automatic - no decision is made at the time of rental.
If a renter accesses a SunPass Lane or cashless toll, the renter is charged a $4.95 per day service fee plus the actual toll.
The daily service fee is charged for the entire rental period, up to a maximum of $24.75 per month, including days when neither a SunPass Lane nor a cashless toll is used.
Avis, Budget:
Participation is automatic - no decision is made at the time of rental.
If a renter accesses a SunPass Lane or cashless toll, the renter is charged a $3.95 per day fee plus the actual toll.
The daily service fee is charged for the entire rental period, up to a maximum of $16.75 per month, including days when neither a SunPass Lane nor a cashless toll is used.
National, Alamo, Enterprise:
Participation is automatic - no decision is made at the time of rental.
If a renter accesses a SunPass Lane or cashless toll, the renter is charged a $3.95 per day fee plus the actual toll.
The daily fee is only charged on days a cashless toll or SunPass Lane is used.
Maximum administration fee is $19.75 per rental period.