If the DPF warning display and check engine warning lamp illuminate at the same time during vehicle operationIf the DPF warning display and check engine warning lamp illuminate at the same 
time during vehicle operation  - Diesel particulate filter (DPF) - Starting and driving - Mitsubishi Lancer Owner's Manual - Mitsubishi Lancer

If an abnormal condition occurs in the DPF system, the DPF warning display and

If an abnormal condition occurs in the DPF system, the DPF warning display and check engine warning lamp illuminate. Have the system inspected at a MITSUBISHI MOTORS Authorized Service Point.

► Continuing to drive with the DPF warning display and check engine warning Caution

► Continuing to drive with the DPF warning display and check engine warning lamp illuminating could result in engine trouble and DPF damage.

    See also:

    Ignition switch
    In order to prevent theft, the engine will not start unless a preregistered keyless operation key is used. (Engine immobilizer function) LOCK (PUSH OFF) The position in which the steering wheel ...

    Operation under adverse driving conditions
    On a flooded road ● Avoid flooded roads. Water could enter the brake discs, resulting in temporarily ineffective brakes. In such cases, lightly depress the brake pedal to see if the brakes ...

    Turn-signal lever
    1- Turn-signals When making a normal turn, use position (1). The lever will return automatically when cornering is completed. 2- Lane-change signals When moving the lever to (2) slightly to cha ...