I know in some situations like yours these tips have helped.
How To Add A Family Member
There are two ways to add up to 4 family members. Upon entering the app you will be asked “who’s riding today”. Tap add family member and fill in all information requested
If you are in the app, please tap your name in the upper right corner. Then tap profile, then you will tap the small person icon in the upper right and follow the steps. Once you have done that you can close your app and reopen it to use the additional profile
You can add up to 4 family members on your Echelon United membership plan, here's how: