1 and the class hours of subject 4 are stipulated by local traffic management departments, which may be different in different regions. Generally speaking, the class hours of subject 4 are between 4 and 8 hours. It is recommended that you consult the local driving training institution or traffic management department to find out the specific class hours.

2. The class hours of subject 4 vary according to the type of driver's license. C 1, C2, C5 driver's license, need 10 class hours; A 1, A2, B 1 driver's license needs 16 hours; A3 and B2 driver's licenses take 20 hours.

3. Each class is 60 minutes, and the effective teaching time shall not be less than 45 minutes. Please note that theoretical study can last up to 4 hours of training every day, and the excess will be counted as 4 hours.

4. Please adjust the camera's angle and aim at 1/3 of the face and chest in the exam of subject 4, so as to take a clear face. At the same time, check whether the computer, keyboard and mouse in the examination position work normally. If you don't understand or have questions, you can raise your hand and ask the examiner.

5. Abide by the discipline of the examination room, do not cheat, and do not talk loudly. The examination time is 45 minutes, so there is plenty of time to answer questions carefully. After handing in the papers, the results will be displayed on the computer immediately. You can sign after the exam, and subject four is over here.

6. Subject 4 Common sense of safe and civilized driving needs to be studied 10 class hours. Subject 4 is a part of the motor vehicle driver's license examination, including theoretical examination and road test.

7. After the implementation of DecreeNo.. 123, subject three was split into two items, and the common sense test of safety and civilization, commonly known as subject four, was added. This exam mainly examines vehicle ethics and safety awareness.

8. Some skills are understandable. For example, when the bridge is too narrow, the motor vehicle should slow down and pass on the right. If the uphill vehicle does not go uphill but the downhill vehicle has passed halfway, the uphill vehicle should give way to the downhill vehicle, turn right and turn left. In addition, remember that vehicles such as fire engines, ambulances and police cars are not allowed to overtake.