Using the key on the driver’s doorUsing the key on the driver’s door  - Type 2 (Except for vehicles equipped with the central door lock switch) - Central door locks - Locking and unlocking - Mitsubishi Lancer Owner's Manual - Mitsubishi Lancer

Using the key on the driver’s door locks or unlocks all doors and rear hatch.

1- Lock

1- Lock
2- Unlock

    See also:

    During cold weather
    To ensure proper operation of the washers at low temperatures, use a fluid containing an anti–freezing agent. ...

    Safety
    Standard safety features include antilock brakes, side-impact airbags for the front seats, side curtain airbags for both rows, a knee airbag for the driver, and an electronic stability system. For ...

    For the rear seat
    In order to use the cup holder, allow the armrest (A) to drop down. ...