Flexible Oil Monitor

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2016 Mazda CX-5 Touring
My ride is one week old and I can't get the oil monitor on flexible. It shows up on the screen, but will not let me choose it. Any ideas?
 
The car needs to be at "On" position, not in "Accessary" position, with all the warning lights on without engine running to set the Flexible Oil Change Maintenance Monitor. Make sure to push Engine Start button twice without applying the brake.
 
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