- Open the Zipcar mobile app
- View Current Trip and then select Time to extend
- Click Confirm Changes to verify your extension is complete
- Sign up for text alerts here
- A text is sent to you 30 minutes before your reservation ends to let you know vehicle is available for extension
- Respond with a text and a confirmation text will be sent back to you
If you are unable to extend, please return on time as someone may have the car booked after you.