If it has the up and down trim buttons you can use the over ride , attach the dess key to the post and press the start/stop button , just to power up the cluster. hold the ibr lever all the way back and when you hear the beep press the red button on the cluster, still while holding the ibr lever back and use the up and down trim buttons to move ibr up or down , when you release the ibr lever you gots start all over again .