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 public function __construct()
    {
        parent::__construct();
        $this->load->model("Car_model");
        $this->load->library('form_validation');
    }


    public function delete($id=null)
    {
        if (!isset($id)) show_404();

        if ($this->Car_model->delete($id)) {
            $this->session->set_flashdata('success', 'Berhasil disimpan');
            redirect(site_url('admin/car'));

        }
    }




//model

<?php defined('BASEPATH') OR exit('No direct script access allowed');

class Car_model extends CI_Model
{
private $_table = "car";

blic function delete($id)
    {
        return $this->db->delete($this->_table, array("id_car" => $id));
    }
}