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Originally Posted by derb
...You can also get vehicle speed in kph through the ac/heater controls. This speed is supposed to be actual speed without the safety margin.
http://www.cb-racing.com/boxster_AC.html
Scroll to 20c.
When in this diagnostic mode the heater controls maintain the last temperature setting. I believe this only works up to the 2000 model year... |
All true. This will give you actual speed, but only in KPH, not MPH, so some math will be needed - KPH / 1.609= MPH (approx.).
Unlike Hondas (mentioned elsewhere in this thread) the Boxster Odo is not affected by this Safety Factor.