How to modify a car online?

At most U.S. and Canada locations, online PAY NOW rates are available. PAY NOW rates offer the lowest online car rental rate with a savings of up to 30% off the base rate of your car rental, applicable to time and mileage. Pre-paid car rentals are an advanced payment towards a reserved car rental using a credit or debit card (debit cards are accepted at select Avis locations). A reservation payment on avis.com is a real-time transaction. Your credit card or debit card is immediately authorized and charged when you confirm your desire to prepay toward your car rental. Choosing to pre-pay does not guarantee a discounted rate.

When you select Avis PAY NOW rates, you are receiving the lowest available online base rate on your car rental. PAY NOW rates offer a savings of up to 30% off the base rate of your car rental, applicable to time and mileage. If PAY NOW rates are unavailable at your location and you still wish to save, checkout our latest offers for more savings options.

Avis accepts most major credit cards as credit identification at the time of rental. Accepted credit cards: Avis Charge Card, American express, AT&T Capital, Diner's Club Intl, Discover, China Union Pay, GE Capital, JCB, Master Card, PHH, Sears, and Visa. Some locations may not accept each of the referenced cards.

Best rates online does not include rates extended to select Avis partnerships and are available at participating locations only. Prepay terms and conditions will be presented on Step 3 of the reservation process.

There is no fee for making the following changes: car type, options (GPS, protections, etc), rental period dates/times, adding other drivers, switching between participating prepay pick-up locations within the same country. To change to a non-participating location or one outside of the original pick-up country, you must cancel your original reservation (with applicable cancellation fee) and re-book at then current rates.

Non-permissible changes include: method of prepayment; name on reservation; changing your pick-up to a non-participating prepay location or one outside of the original pick-up country. If you still wish to make these changes, you must cancel your original prepay reservation with applicable cancellation fee and re-book at then current rates.

If you need to cancel at least 24 hours prior to your scheduled pick-up time, you may cancel and request a refund less a $50.00 USD cancellation fee. To cancel and request a refund you must submit a request on Avis.com, Avis.com.au or Avis.co.nz at any time before 24 hours of your scheduled pick up time by entering the reservation number and last name into the appropriate fields on the View/Modify/Cancel page. Once the reservation is displayed, click the "cancel" link and continue through the process to submit the refund request.

If you cancel your reservation within 24 hours of the scheduled pick-up time or if you fail to [pick up the rental vehicle, you may request a refund less a $150.00 no show fee. To request a refund, you must fulfill a request on Avis.com, Avis.com.au or Avis.co.nz by entering the reservation number and last name into the appropriate fields on the View/Modify/Cancel page. Once the reservation is displayed, click on the "request a refund" link and continue through the process to submit the refund request.