In case you have lost your keys, locked yourself out, or if you have forgotten the code, you can reset the door code. All you need to do is to go to an online factory code generator or to the dealership. Then press the first and second buttons.  Take a break for a few seconds. Press the new code that you want to use. Repress them with a 5-second interval between both. After following all these steps, your car doors should get in the right situation again.