---
title: The “Book” button is greyed out when trying to submit my trip information
description: During our busiest time the Alto fleet is reserved for Alto Members. During these times you will see a "Members Only" flag on the booking screen. If you are a member and receiving this message, or if
---

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# The “Book” button is greyed out when trying to submit my trip information

During our busiest time the Alto fleet is reserved for Alto Members. During these times you will see a "Members Only" flag on the booking screen. If you are a member and receiving this message, or if you are a guest and there is no “Members Only” tag showing, please force close the app and reopen it. If the problem persists please submit the form below to our customer experience team. 

 

- [Membership & Account Options](https://help.ridealto.com/membership-account-options?hsLang=en#main-content)

    - [Manage your Alto Membership and Account](https://help.ridealto.com/membership-account-options?hsLang=en#manage-your-alto-membership-and-account)
    - [Upgrade to an Annual or Family Membership](https://help.ridealto.com/membership-account-options?hsLang=en#upgrade-to-an-annual-or-family-membership)
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- [Fare and Promo Questions](https://help.ridealto.com/fare-and-promo-questions?hsLang=en#main-content)

    - [I have a question about a promotion.](https://help.ridealto.com/fare-and-promo-questions?hsLang=en#i-have-a-question-about-a-promotion)
    - [I have a question about my fare.](https://help.ridealto.com/fare-and-promo-questions?hsLang=en#i-have-a-question-about-my-fare)
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    - [I left something behind.](https://help.ridealto.com/trip-issues-or-feedback?hsLang=en#i-left-something-behind)
    - [Share an issue or feedback regarding your ride.](https://help.ridealto.com/trip-issues-or-feedback?hsLang=en#share-an-issue-or-feedback-regarding-your-ride)
- [Booking rides with Alto](https://help.ridealto.com/booking-rides-with-alto?hsLang=en#main-content)

    - [I need to book a ride on-demand.](https://help.ridealto.com/booking-rides-with-alto?hsLang=en#i-need-to-book-a-ride-on-demand)
    - [I need to preschedule a ride for later.](https://help.ridealto.com/booking-rides-with-alto?hsLang=en#i-need-to-preschedule-a-ride-for-later)
    - [How do I apply my promo code?](https://help.ridealto.com/booking-rides-with-alto?hsLang=en#how-do-i-apply-my-promo-code)
    - [I'm having trouble signing up.](https://help.ridealto.com/booking-rides-with-alto?hsLang=en#im-having-trouble-signing-up)
    - [My app won't let me book.](https://help.ridealto.com/booking-rides-with-alto?hsLang=en#my-app-wont-let-me-book)
    - [Why should I become a Member?](https://help.ridealto.com/booking-rides-with-alto?hsLang=en#why-should-i-become-a-member)
    - [Can I ride as a Guest?](https://help.ridealto.com/booking-rides-with-alto?hsLang=en#can-i-ride-as-a-guest)
- [App Troubleshooting](https://help.ridealto.com/app-troubleshooting?hsLang=en#main-content)

    - [Common App Errors](https://help.ridealto.com/app-troubleshooting?hsLang=en#common-app-errors)
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