I need help with my 4x4 knob. I don't know how my 2yr old managed to do this, but he broke the knob out of it's casing. The casing is screwed to the knob with 2 screws. The plastic of those 2 screws have snapped. What i've done for now, so that the 4x4 will engage, is super glue it back together, but i need a new one soon. I've checked online and only find knobs for f-150s. Thanks in advanced.