bad relay
put your key in the door lock and unlock doors
if you have a security alarm with horn possibly disabled this could happen.
even if you disconnect the battery the headlights stay on????????????? check the headlight switch
DISCONNECT THE BATTERY FOR A FEW MINUTES.
DISCONNECT THE NEGATIVE BATTERY CABLE
disconnect the positive connector on the battery
disconnect negative of battery for 3 + minutes.
I'm not a mechanic / technician but if your battery is overcharging or the headlights are too bright so people are flashing their headlights at you when you are just using low beams ( it sounds like a voltage regulator problem )
Dead cell in the battery or corroded or loose battery cables.
The Mitsubishi Eclipse radio code is the code that makes your radio work. You need to put this code in any time you disconnect the battery.
Disconnect battery once again then touch both battery cables together for about a minute. Reconnect battery and allow time for the comp to relearn environment
Disconnect battery, if light comes back on you need to get the code read and repair the error.
simply disconnect the battery for 30 seconds and it will reset all of your learned fuel trims in your ecu
how to replace a mitsubishi endeavor battery