Join Date: Oct 2005
Location: YYC - soon to be 東京
Programs: AC Prestige, Marriott Silver, Hyatt Gold, Hertz #1 Gold, Radisson Gold Elite, HHonors
Posts: 1,830
From experience, they usually "authorize" your card for the full amount of the rental then at the end of the rental, they finalize the charges to the card when you return the card (amount can be higher or lower depending on the time you returned the car at the end of rental period).
Sanosuke!