Parking with the engine runningParking with the engine running  - Parking - Starting and driving - Mitsubishi Lancer Owner's Manual - Mitsubishi Lancer

Never leave the engine running while you take a short sleep/rest, or you open or close a gate or garage door, etc. Also, never leave the engine running in a closed or poorly ventilated place.

► Leaving the engine running risks injury or death from accidentally moving Warning

► Leaving the engine running risks injury or death from accidentally moving the gearshift lever (with a M/T or Twin Clutch SST) or the selector lever (with a CVT) or the accumulation of toxic exhaust fumes in the passenger compartment.
► Do not park your vehicle in areas where combustible materials such as dry grass or leaves can come in contact with a hot exhaust, since a fire could occur.

When leaving the vehicle

Always carry the key and lock all doors and the rear hatch when leaving the vehicle unattended.

Always try to park your vehicle in a well lit area.

    See also:

    Weatherstripping
    To prevent freezing of the weatherstripping on the doors, bonnet, etc., they should be treated with silicone grease. ...

    Selector lever positions (Main 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 ...

    Diesel preheat indication lamp (diesel-powered vehicles)
    This indication lamp illuminates when the ignition switch is placed in the “ON” position. As the glow plug becomes hot, the lamp goes out and the engine can be started. Note ► If th ...