Sounds like a F.A.S.T. Key error of some type. Open your fuse box inside the car on the driver’s side. There should be a yellow plastic square with two fuses in it (one is for the radio, the second is for the F.A.S.T. system). Unplug it, attempt to start the car (shouldn’t start). Put the fuse back in and push FIRMLY. Restart the car. I had a similar error that I cleared by doing this and it’s never given me another problem in 2 1/2 years.
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View my fuel log 2015 Mirage ES 1.2 automatic: 40.5 mpg (US) ... 17.2 km/L ... 5.8 L/100 km ... 48.6 mpg (Imp)