hi i try to engage the 4x4 or put it on auto and when i turn the knob the green light or the yellow wont come on when to the dealer and change the knob and still do the same to put it on i have to stall the motor and restart it back an all the light are good auto or 4x4 are on they dont know what to do to my truck and i just have 9000 km on it did the same thing happen to somebody if so let me know thanks mario