As per your requirement, you can extend your reservations period at any time before the rental. You need to do the below steps for the Avis car rental extension in an easy manner:
The preferred way to get an extension is by phone to reach the customer support team of Avis car rental. They allow customers to extend an existing rental through a mobile app also. You can take the phone number from the Avis car rental website and tell the agent how long you will need the rental.
If it is required to extend your booking during your rental, the extra days will be charged at a last-minute day rate. A $ 10 will be charged for the day by Avis rental car, which will not cost expensive for you.
If you don't call for exertion, you will need to pay extra per day for the late fee. If a car is returned even one minute after the grace period, then Avis will charge the customer an hourly rate until its return.
You can extend your reservation period at any time before the rental. To extend your rental period, you need to dial the Avis Extend rental phone number at the Avis reservation department. However, ask the representative to extend your car rental easily by paying some extra charges for an extension.