I've seen that message on cars that have sat on the lot too long without starting or after really cold temps, and sometimes right off the ship from Japan. Putting the battery on a charger usually fixes it
The CPO powertrain warranty is 7 years/100k miles. You might be thinking of the CPO basic warranty which adds 1 year/12k miles to whatever is left of the original bumper to bumper warranty. Do you know what the in-service date was for your CX5? It should be in your CPO paperwork
You could also...
Is there a production year on the new bottle? I'm waiting to see if Idemitsu makes a GF-6 version eventually. All manufacturers switched to GF6 formulations last year, so it doesn't make sense that they would keep making a GF5 formulation