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- #31
This for sure applies to theThis is EXACTLY what I do too. The reason why it’s best to have Trip 1 for lifetime without reset is that your MyView screen for Fuel Efficiency pulls the data from Trip 1.
2022-2024 XL & XLT, but might apply to all.
There is a FINITE amount of MPG data stored.
The memory is FIFO - First In / First Out.
This means the oldest data is eventually overwritten. It is overwritten without notice or fanfare.
The data held is 5000 miles. For most, this is about 10 tankfuls of gasoline. It will always be the most recent 5000 miles. So if you never reset, and drive more than 10,000 miles per year, you'll still witness seasonal changes.
So while it is a "long term moving average" it is only "lifetime" while your truck is young.... and under 5000 miles total.
PS this is not in the manual, but I did the math after 10,000 miles with precise record keeping.
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