Location de voiture aux États-Unis avec carte de crédit ou de débit?

la somme bloquée par la caution est indisponible (comme si elle avait été prelevé)

Your credit or debit card will be charged upon reservation confirmation. Method of prepayment toward your rental may not be changed after confirmation.
Debit cards are not accepted at some Budget locations and are not a recommended form of prepayment.
While a debit or prepaid charge card is an acceptable form of rental prepayment online, they may not be accepted for the credit hold required when you pick up your vehicle.
Please review the terms and conditions on our confirmation page regarding credit or debit card acceptance at the location. To release the vehicle to you at time of pick-up all rental terms and conditions must be met, regardless of your original prepayment.
In the U.S., debit or check cards may be used at the end for payment of rental charges.
Prepaid Debit/Gift cards are not acceptable methods of credit identification to pick up a vehicle at any location. One of the above mentioned cards must be presented. Prepaid Debit/Gift cards are accepted at time of return only.