var addcarform = $('#add-car-form');

addcarform.submit(function (e) {

    e.preventDefault();

    $.ajax({
        type: addcarform.attr('method'),
        url: addcarform.attr('action'),
        data: addcarform.serialize(),
        success: function (data) {
            console.log('Submission was successful.');
            console.log(data);
        },
        error: function (data) {
            console.log('An error occurred.');
            console.log(data);
        },
    });
});