Where are lower screws to remove headlights alarm might be draining battery..

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Trying to replace the headlights cables, can't find screws/bolt to loosen the bottom portion. Can someone send me the schymatic? Car starts nicely once charged, drives in perfect condition may die by next day never know when the battery a 2 year old tested by AutoZone they stated its in good condition. Lights flicker on their own as if opening/closing the car with remote (has new batteries)Alarm doesn't work, tried opening the car without the remote or key, checked the 3 different fuse boxes. Even tried by pressing the panic button and nothing seems to trigger it on. In a nutshell, alarm doesn't work, cant remove headlight to re wire, and haven't been able to figure out what is draining the battery. Thank you ahead of time for any suggestions.