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Something strange happened 2 days ago. I had little less than 1/8 of the gas tank full and the range on the screen says 5 miles. I was driving on the free way and the range dropped to 1 mile and it stayed at 1 mile for more than 4 miles before the empty light on the dashboard turned RED. I was concerned that either the gas mileage range or the tank gauge could be defective. So I pulled over to the next exit to find a gas station and I was able to fill only 16.4 Gallons in the tank.
So does that mean the mileage range need to be calibrated or what? :confused:
 

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The range on the trip computer and the dash warning light are seperate. The TC range also has a preset "buffer" or "offset" that can be adjusted:

http://www.acuramdx.org/forums/showthread.php?s=&threadid=2585

Even the dash warning light comes on when there's still reserve left -- something like 2.5 gals but I'm too lazy to look it up :) It cannot be calibrated.
 
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