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:

    Warning display list (when the ignition switch is “ON”)
    ...

    Door ajar warning display screen (when the ignition switch or the operation mode is ON)
    If any of the doors or the tailgate is not completely closed, this displays the open door or tailgate. If the vehicle speed exceeds approximately 8 km/h (5 mph) while a door is ajar, a buzzer s ...

    General maintenance
    Fuel, engine coolant, oil and exhaust gas leakage Look under the body of your vehicle to check for fuel, engine coolant, oil and exhaust gas leaks. Warning ► If you see a suspicious fuel l ...