Mazda CX-9 2018 Owner's Manual page 561

If Trouble Arises
Active Driving Display Does Not Operate
If the Active Driving
Display Does Not Operate
If the active driving display does not
operate, switch the ignition off and then
restart the engine. If the active driving
display does not operate even with the
engine restarted, have the vehicle
inspected at an Authorized Mazda Dealer.
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CX-9_8GC3-EA-17G_Edition1 2017-5-29 10:13:38