Terms and Conditions:  Advance reservation is required. Daily and Weekend rentals require a two-day minimum keep. This offer is subject to upgrade vehicle availability at time and place of rental.  Highest obtainable upgrade is to a Premium class vehicle. Brand and model are not guaranteed. Blackout periods may apply. Offer is redeemable at participating Hertz locations in the U.S, Puerto Rico and Canada. This offer has no cash value, may not be used with Pre-Pay Rates, Tour Rates or Insurance Replacement Rates and cannot be combined with each other or with any other certificate, voucher, offer or promotion.  Hertz age, driver, credit and qualifying daily/weekend/weekly rate restrictions for the renting location apply.  Modifying your reservation may result in a change in your rate and/or invalidate this offer. Taxes, tax reimbursement, age differential charges, fees and optional service charges, such as refueling, are not included. Discounts apply to time and mileage charges only. Discounts in local currency on redemption. Offer valid for vehicle pickup through 6/30/11.