I have to ask, just like any tech support do, is it plugged into the wall outlet?
;D, just kidding. On a serious note, you've done the following?:
1. Press the On/Off button (looks like a speedometer with an arrow pointing at it on the steering wheel, light comes on white on the instrument cluster)
2. Press the Set/- button (light turns green and IDC says Speed Set To XXXXX)
...and nothing happens?
If there aren't any fuses blown I would take it to the dealer to have a diagnostic run on it.
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