my oil gage is not working its just stuck at the top what can it be the sending unit....and my low track light stays on when the cars off and the keys not even in the ignition so it kills my batery when i dont drive the car for like 2 days so i allway have to jump the batery why does it stay on ....car runs fine and every thing ...help

 

I would check your fuses and grounds. Also check your oil pressure sensor to see if it is broken.