[bigred5765]

you have not set it right to to your transmitter
make sure tranny is already on
press and hold down the button then switch speedo on
leave throttle in neutral and press button again
hold full throttle and keep it there while you press the button once more
now hold full brakes on and press the button once more and return everything to neutral of the transmitter leave it 3-5 seconds and now it should be set