I have a '26 GGT. It went in for body work with damage to the rear hatch. Since then, the Dream Drive doesn't do a few things. It doesn't move over for trucks; it doesn't do the lane-change thing when approaching a slower vehicle or change lanes when you activate the turn signal. Also, when backing up, I don't get any distance indicators or warnings. Is there a way to delete an update and then reinstall? Any ideas?