To dispute a transaction, please reach out to the M1 Owner's Rewards Card team at (833) 978-3351. They’ll be happy to help you out and work towards resolving any issues.
You can temporarily lock your card under the “Manage Card” tab.
The M1 Owner's Rewards Card team is available during the following hours:
Monday-Friday: 8 am-8 pm CT
Saturday: 9 am-2 pm CT