Sonata 2006 - Lt/100K counter

I've had this car since Mar '06 and bought the loaded model. I was wondering if anyone knew how the program calculates, in my case i.e. Liters per 100K? Is it a simple program that uses your distance
(odometer) with gas consumption (what's left in gas tank)? That means that idling would have an effect. Or does it actually measure the distance, speed, and actual consumption occurring at the moment? By-the-way, aside from some minor issues, I love the car. It came with 7years bumper-to-bumper guarantee and 7 year road-side-assistance. Well worth the price.
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Fuel used at idle is counted in the calculations. Now that the weather has turned to real winter, I dropped about 1 to 1.5 mpg due to warm up (I love the remote starter) and leaving the engine running more that if it was mild weather. I've also calculated the actual miles and use at the pump and compared it to the trip computer. The computers is optimistic by .5 to 1 mpg every time.
I don't know if the fuel gauge is used or some sort of flow meter though.
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Edwin Pawlowski wrote:

Thanks. I use my remote often, too especially at this time of year with our cold weather. I did the same with trip meter and found the computer was a little optimistic. I still love the car and it really has a lot of get-up-and-go when passing. There is one thing that I may mention in my next servicing, it seems to be a bit spongy on the peddle from a standing start. Feels like there's a bit too much play at the puddle. I know it's all electronic, but can they re-program it to respond quicker, not sure about how this works. Does anyone know?
Thanks.
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I don't know about changing it, but most of the complaints are that the peddle is too sensitive. I know of one person that traded his wife's Sonata in for a 4 cylinder Camry for that reason. Too many times she spun the front wheels.
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I can see that happening. It's as if you can't gradually increase when at a standing start. When you press the peddle down it doesn't react right a way but then it accelerates as if you floored it. I've learned to find that spot and can deal with it. But I can see it causing someone a problem especially in winter.
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