At least one vehicle door is ajar or not closed properly.
Driving the car can be dangerous for you. You have to pack the car to a safe place and check the doors.
If there is a warning symbol on dashboard of a door open alert, make sure your vehicle doors are closed.
If you have this warning while the vehicle is moving, park the vehicle in a safe area and check all your doors.
opening car door, red car door, one door is opened, two doors are opened