If you see the diamond with the exclamation point on it in the top left corner of your radio screen it means your backup camera has lost its initilazion. here is the way to fix it with the hidden service menu. This is the way to set your dynamic gridlines when they go off. NOTE: On rare occasions you can turn the wheel all the way left hold it and all the way right and hold it and it can clear it but that does not work every time. #toyota #diamondicon #technology
