i cant adjust my headlights whenever try the screw wont stay, i have got it to stay b4 but its aimed at the middle of the car and i have no light on the side of the road. what do u think i should do

The screw holder on the headlight bucket is probably loose/stripped or the metal hook on the bucket is bent. Disassemble the bezel, light and bucket. Figure out what is wrong.

Either bend the hook back into place on the bucket or visit your local auto parts store and look in the "HELP" section for a new adjustment screw holders.

Worst case senario, and cheap....washers!

here's a qucik trick... stick a zip tie into the plastic adjuster nut, it will act as new threads and allow your adjustments to stay...