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Give the car's electronics 3 - 4 tankfuls to 'learn' your driving habits, after that it will be more accurate.
You may also want to back-up the car's reported calculations by manually calculating your actual (not reported) MPG.
Give the car's electronics 3 - 4 tankfuls to 'learn' your driving habits, after that it will be more accurate.
You may also want to back-up the car's reported calculations by manually calculating your actual (not reported) MPG.