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From a fuel economy standpoint, the best thing is to keep the battery from getting too hot while parked. The simulator findings I linked in my...
See this. Also in that thread, David Beale elaborates on his testing.
When the "Add Fuel" light appears, many have thought, "400 miles at 50 miles per gallon must mean 3.9 gallons left." They are quite surprised when...
You can save even more money by changing your own air filters, engine and cabin. They each take two minutes (max) and require no tools. Many...
It sounds like the coolant heat storage pump. See this for more.
Broken extenders; the original design is a hazard! I now join those with strong concerns about the strength and safety of the extenders, at...
Seat Extenders Broken
I'm guessing it's to keep you from getting blinded by headlights on cars right behind you.
I'm sure the answer is "no."
I agree that you got the wrong one. I also installed one myself this past weekend with no problems. The battery buyer needs to know what size to...
You have a near-worst-case scenario for Prius fuel economy: Very short trips in cold weather, presumably with cabin heat running. Any car's fuel...
I think your strategy is good and certainly your results are, especially this time of year. I'll add a couple of comments. It's probably less...
Ahh, so YOU'RE the one!;)
I too ordered the Optima, delivered earlier this week. I remember Hobbit describing in his installation writeup that he had checked his upon...
Nope, that's completely normal behavior. The car goes to great lengths to avoid overcharging the battery, and it generally leaves a little...
Just some quick, admittedly incomplete, and obviously flawed mental math. The question to 2Txns remains: Is this unsatisfactory? I agree that...
Let's see, it sounds like you averaged about 80 MPG for 20 minutes. Are you dissatisfied with that? Am I missing something?
I agree it's highly unlikely, but it could be you're the 1 in 40,000. I can't tell you what codes to look for, but if you get them and post them...
In a 2004 with possibly the original battery (is it?) and SmartKey, sitting on the street for two weeks, the 12 V battery could well be a problem....
Mostly #2 and #3. The closest anyone has come to quantifying, AFAIK, is Wayne Brown. He discusses it here in terms of changes in energy usage....