Volkswagen Machine Restores Factory Setting Password

Generally, it is 0000, each car brand is different, and the initial password may be different. Mainly depends on the instructions. How to restore the car to the factory system: most navigation has a reset button, which should be a small hole. There is a rest hole in the navigation. Just insert something for a few seconds. If not, it is in the function table, in the lower right corner, or in the system settings. What is the password set by the navigation factory? I believe this problem has troubled many riders. When navigation is used for a long time, a large number of trivial files will accumulate (occupying memory), which will lead to the car system being stuck. Therefore, at this time, we need to enter the navigation factory password and restore the original settings of the on-board system.