If you can't go on the day of subject four, you can cancel the exam of subject four one day in advance. It can be cancelled through mobile phone software and traffic management12123 (version above 2.8.2). You can also take your ID card to the DMV for cancellation. If you don't cancel or take the exam, the exam in subject 4 will be judged as failing.

Cancel the process:

1. Open traffic management 12 123, and click more;

2. Click to cancel the exam appointment;

3. Select the examination subject and click Cancel Appointment.

The process of canceling the DMV exam appointment is as follows:

1. Bring your ID card and prepare a copy of your ID card;

2. The blank space of the photocopy of the ID card indicates that I voluntarily cancel the subject examination in the driving school on a certain day of a certain year, and sign in the blank space. You need to cancel at the vehicle management office before noon 12 the day before the exam time.

Motor vehicle driver's license subject four test, the qualified score is 90 points, the full score is 100 points, and the test time is 45 minutes. If you complete the motor vehicle driving license examination within 45 minutes, you can obtain a motor vehicle driving license. If students fail the exam, they need to leave the examination room immediately and wait for the second exam that day. If the second test fails, it will take 7 to 10 days to test again.

There is a time limit for the motor vehicle driver's license subject four exam, but there is no time limit. The time limit is three years. You can only get a driver's license if you complete the motor vehicle driver's license test within three years. If the motor vehicle driver's license test fails within three years, the motor vehicle driver's license test qualification will be cancelled and the test cannot be conducted again. Million car purchase subsidy