To assign an extra driver to your Yoma Car Share profile, you can follow these steps:

1. Log in to your Yoma Car Share account on the website or you can download the Yoma Car Share Driver mobile app.
2. Navigate to your membership account profile section.
3. Choose the option to add the extra driver.
4. Provide all the required details of the additional driver as prompted.
5. Follow the instructions displayed on the screen to complete the process.