To resume the set speedTo resume the set speed  - Cruise control - Starting and driving - Mitsubishi Lancer Owner's Manual - Mitsubishi Lancer

If the set speed driving is deactivated by the condition described in “To deactivate”, you can resume the previously set speed by pressing the “ACC RES” switch (C) while driving at a speed of about 40 km/h (25 mph) or higher.

Under either of the following conditions, however, using the switch does not

Under either of the following conditions, however, using the switch does not allow you to resume the previously set speed.

In these situations, repeat the speed setting procedure:

► The “ON OFF” switch is pressed.
► The ignition switch is turned OFF.
► “CRUISE” indication lamp is turned OFF.

    See also:

    Odometer/Tripmeter
    The operation method is the same as when the ignition switch or the operation mode is OFF. Refer to “Odometer/Tripmeter” for further details. ...

    Testing the system
    Open all of the door windows, then set the Dead Lock System. (Refer to “Setting the system”.) After setting the Dead Lock System, reach into the vehicle through a window and confirm that you c ...

    To remove
    Remove the child restraint in accordance with the instructions provided by the child restraint system’s manufacturer. ...