To lock without using the keyTo lock without using the key  - Doors - Locking and unlocking - Mitsubishi Lancer Owner's Manual - Mitsubishi Lancer

Set the inside lock knob (1) to the locked position, and close the door (2).

Set the inside lock knob (1) to the locked position, and close the door (2).

► The driver’s door cannot be locked using the inside lock knob while the driver’s Note

► The driver’s door cannot be locked using the inside lock knob while the driver’s door is opened.

    See also:

    To lock
    Press the LOCK switch (1). All the doors and rear hatch will be locked. The turn-signal lamps will blink once. Note ► With a vehicle that has a Dead Lock System, pressing the LOCK switch (1 ...

    2013 Mitsubishi ASX Review
    The Mitsubishi Outlander Sport was introduced for the 2011 model year, and despite a harsh review here on Cars.com, it's sold well. Though it shares the Outlander name, the Sport is smaller than t ...

    Heater/Manual air conditioning*
    The heater and the air conditioning can be operated while the engine is running. The performance of the heater is directly related to the temperature of the engine coolant, so operate the heater ...