Quote:
Originally Posted by Donahue
yeah, at this point i am not interested in P&G, i generally set the cruise and just steer straight ahead.
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Look at the technique called Driving With Load. Use that with cruise control and you can improve your economy over just letting the cruise control do it's thing. As you go up a hill, bump down the CC speed, as you go down a hill have your CC accelerate.
Quote:
Originally Posted by Donahue
I have also seen my speedometer seems to be a couple of mph off. I have not yet had a chance to check the odometer against the mile posts, but according to my GPS, I'm about 2 mph slower than what the gauge says.
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This is by design.
Regulations vary by country, but Europe and Australia require speedos to be accurate to +10% plus 4km/h but never below actual speed. US has a similar, but more complex standard that covers the allowed range. To comply with the regulations, they typically indicate 1%-2% high.