>> Never liked running on fumes, I tend to subscribe to the old-fashioned view that by
>> running a tank to empty you're more likely to have problems with dirt in the
>> fuel.
>>
Misconception - The fuel pick up point in the tank does not move just because the fuel level is low
Honda un-nervingly accurate, light came on with 10l in the tank, and if filled straight away would take exactly 10l less than tank capacilty, never pushed it further than 50miles beyond the light coming on.
Octavia counts down miles, flashes a warnning at 75miles. Have taken it to 15 to go and still seemed to have 5l in it so not as accurate as the Honda but at least on the safe side. The waring does get more frequent as the miles left falls below 75. The worrying bit is that the 75 varies depending on how you drive so at the end of a long run on the motorway it can be showing 75, following morning (dark, frosty, stop start in heavy traffic) it can be showing 30 miles left after just a few hundred yards. OK once you get used to it - wife panics when the light comes on!
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