Welcome to the world of unnecessarily overcomplicated computer-controlled gauges. This would never happen on older spring-loaded gauges.
The gauges are stepper motors that use four coils to position the pointers. The magnetic fields are trying to bring the pointer back to zero, but the shortest way there is to go clockwise. There are three ways to fix this. One way is to drive faster than half the top speed on the speedometer. The pointer should find its proper position, then follow the magnetic fields back down as the vehicle slows down. The second fix is to have your dealer connect their hand-held scanner and perform the gauge tests. That will run the gauges to 1/4, 1/2, 3/4, and full scale, then back to zero. After full scale, the speedometer will go back to zero. The third fix is to remove the lens and physically push the pointer back down counter-clockwise.
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Thursday, December 24th, 2009 AT 1:32 AM
