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:

    Hazard warning flasher switch
    Use the hazard warning flasher switch when the vehicle has to be parked on the road for any emergency. The hazard warning flashers can always be operated, regardless of the ignition switch positi ...

    Driver’s seat belt reminder/warning lamp and display
    Warning lamp A tone and warning lamp are used to remind the driver to fasten the seat belt. If the ignition switch is set to the “ON” position without the driver’s seat belt being fasten ...

    Headlamp washer switch
    The headlamp washer can be operated when the ignition switch is in the “ON” or “ACC” position and the headlamps are on. Push the button once and the washer fluid will be sprayed on to the h ...