Lamps (room lamps, etc.) auto-cutout function (Vehicles with keyless entry system or keyless operation system)Lamps (room lamps, etc.) auto-cutout function (Vehicles with keyless entry system 
or keyless operation system)  - Interior lamps - For pleasant driving - Mitsubishi Lancer Owner's Manual - Mitsubishi Lancer

If any of the interior lamps are left switched on with the ignition switch in any position other than “ON” or “ACC”, it goes off automatically after approximately 30 minutes.

The lamp goes on again if the ignition switch is turned to the “ON” or “ACC” position, any door or the rear hatch is opened and closed, or the keyless entry remote control or the keyless operation system is operated.

► The interior lamps auto-cutout function can be deactivated. The time until Note

► The interior lamps auto-cutout function can be deactivated. The time until the lamps automatically go off can be adjusted. For details, please consult a MITSUBISHI MOTORS Authorized Service Point.

If the vehicle is equipped with the MITSUBISHI Multi-Communication System (MMCS), adjustment can be made using screen operations. Refer to the separate owner’s manual for details.

    See also:

    To stop the air conditioning
    By setting the blower speed selection dial to the “” (OFF) position. All operations will stop except the change of air selection. ...

    Operation from outside the vehicle
    Insert (or remove) the key when the boot lid (or tailgate) key cylinder is in the vertical or the horizontal position. Rotate the key to lock or unlock as shown in the illustration. 1- Unlock 2- ...

    Keyless operation key take-out monitoring system
    Type 1 Type 2 When the vehicle is parked with the ignition switch in any position other than “LOCK” (PUSH OFF), if you close the door after opening any of the doors and taking the keyles ...