jkirkebo wrote:My average speed and distance reads correct. If I accelerate to 80kph, set the cruise control and reset the avg. speed, it will show ~75kph after a while. I have to set the cruise control to 86kph for the average speed to read 80kph. .
I'm not sure if this is a good method. Why would it know the seemingly correct average after the reset at 80kph indicated on the display?
But, regardless, something doesn't add up. Have you tried the calibration settings in the service menu?
(Audio Power off, Map, Map, Map, Audio Power, Audio Power, Map)