Mitsubishi Endeavor Owner's Manual page 15

Quick index
Sound
Constant tone when the driver's door is
opened.
4
If you hear this sound...
"Key reminder buzzer"
A tone will sound if the driver's door is opened while the ignition key is in the
"LOCK" or "ACC" position.
Remove the key to stop the tone.
OR
"Headlight reminder buzzer"
A tone will sound if the driver's door is opened when the ignition key is in the
"LOCK" or "ACC" position or removed from the ignition switch while the
lights are on. Turn the lights off.
The tone will stop automatically when the lights are automatically turned off.
(See page 3-154 for auto-shutoff function.)
Do this
N00200800677
Ref. page
P.3-14, 3-35
P.3-155