Mazda 6 Owners Manual: Verify Display Content
Displays in the following cases:

If the following messages are displayed in the center display , a vehicle system
may be malfunctioning. Stop the vehicle in a safe place and contact an Authorized
Mazda Dealer.
...
If there is a notification from the vehicle, a message is displayed in the multi-information
display. Check the information and take the necessary action.
If the warning light turns on/flashes si ...