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:

    Auto–speed (cruise) control*
    Auto–speed control is an automatic speed control system to maintain a desired driving speed of about 40 km/h or more without operating the accelerator pedal. This feature is especially useful f ...

    Shifting using the gearshift lever
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    Gearshift lever positions (Manual shift gate)
    “P” PARK This position locks the transmission to prevent the vehicle from moving. The engine can be started in this position. “R” REVERSE This position is to back up. Caution ► N ...