How to Unlock a Changan Car When the Key is Locked Inside?

1 Answers
SanBrooklyn
07/30/25 4:04am
If your Changan car key is locked inside the vehicle, you can use the following methods to unlock it: 1. Use the spare key: Carry the mechanical key with you as a precaution. The spare mechanical key can only unlock the door but cannot start the vehicle, so even if it is lost, there is no need to worry about someone driving the car away. 2. Call the 4S store: Nowadays, 4S stores offer after-sales rescue services. Whether it's an electronic or mechanical failure or a driving mistake, simply call the 4S store to get rescue services. 3. Contact a locksmith: Usually, you will need to wait 1-2 hours and provide relevant documents, including your ID card and vehicle registration certificate, to prove that the car belongs to you. 4. Break the glass to retrieve the key: Choose the side windows of the front or rear doors. When breaking the glass, be quick, accurate, and forceful to avoid injury from glass shards. Never choose to break the windshield, especially the triangular window, as the matching and repair costs later on will be very high.
Was this review help?
11
1
Share
More Forum Discussions

What are the contents of a driver's review?

The contents of a driver's license review are as follows: 1. Road traffic violations and accident handling records; 2. Physical condition. Traffic violations and accident records are mainly checked to verify whether the driver remains within the authorized scope; physical condition is primarily examined to confirm the driver's fitness for operating motor vehicles. The review schedule varies by license type: 1. Class C License: Class C licenses don't require annual review, only inspection during renewal at expiration. 2. Class A/B Licenses: Unlike Class C, Class A and B licenses must be reviewed within 30 days after each scoring cycle ends at the traffic management department of public security authorities. However, if no demerit points are recorded during a scoring cycle, the review for that cycle can be waived.
2
2
Share

What are the key knowledge points for Subject 4 exam?

Subject 4 knowledge points: Safe and civilized driving operation requirements, safe driving knowledge under adverse weather and complex road conditions, emergency handling methods for situations like tire blowouts, and post-accident handling knowledge. Below is a detailed introduction to Subject 4: 1. Overview: Subject 4, also known as the Subject 4 theoretical test or driver's theory test, is part of the motor vehicle driver's license assessment. Currently, the Subject 3 exam is divided into two parts: besides the road test, a safety and civilization knowledge test has been added, commonly known as "Subject 4", which assesses "driving ethics". 2. Retake instructions for Subject 4: If you fail Subject 4, you do not need to retake the previously passed items (Subject 1, Subject 2, Subject 3). You can schedule a retake on your own, and no retake fee is required.
20
1
Share

How to Calculate Exhaust Emissions?

Actual exhaust emissions = Emission rate x Production days x Daily working hours x 10-3 or Actual exhaust emissions = Emission concentration x Benchmark flow rate x Production days x Daily working hours x 10-9. Below is relevant information about vehicle exhaust emissions: 1. Meaning of vehicle emission standards: Vehicle emission standards refer to harmful gases emitted from vehicle exhaust such as CO (carbon monoxide), HC+NOx (hydrocarbons and nitrogen oxides), PM (particulate matter, soot). In China, commonly used terms like Euro I and Euro II standards refer to emission directives issued by the EEC in those respective years. 2. Hazards of vehicle exhaust: When there are few vehicles, the atmosphere's self-purification capacity can still neutralize toxins emitted by vehicles. However, with the dramatic increase in vehicle numbers and traffic congestion becoming commonplace, excessive vehicle exhaust has become significantly harmful, seriously affecting human health.
8
3
Share

What is the standard thickness of automotive paint?

The standard thickness of automotive paint ranges between 120 to 180 micrometers. The functions of automotive paint include: 1. Protecting the car from erosion by various corrosive agents in the atmosphere. 2. Decorating the car. 3. Identifying the type of car. 4. Enhancing the comfort and sealing of the car, preventing noise caused by vibrations. The main paint processes are: 1. Electrophoretic paint: Its role is to prevent rust and corrosion. 2. Primer paint: Its role is to resist ultraviolet rays and stone impacts, laying the foundation for the color paint. 3. Color paint layer: Its role is to enhance aesthetics. 4. Clear coat layer: Its role is to give the car body a glossy appearance and resistance to friction.
18
1
Share

How to Remove a Pebble Stuck in the Brake Disc?

The methods to deal with a pebble stuck in the brake disc are as follows: accelerate the car and then slam on the brakes, then reverse and slam on the brakes again. Repeat this cycle several times to resolve the issue. If this doesn't work or if you're concerned about the car, it's recommended to visit a repair shop or a 4S store. The automotive braking system consists of the following components: 1. Brake operating mechanism: This includes parts that generate braking action, control braking effects, and transmit braking energy to the brakes, such as brake wheel cylinders and brake lines. 2. Brake: The component that generates a force (braking force) to resist the movement or tendency of movement of the vehicle. The brakes commonly used in automobiles generate braking torque through friction between fixed elements and the working surfaces of rotating elements, known as friction brakes. There are two structural types: drum brakes and disc brakes.
16
3
Share

How to Perform Wheel Balancing?

Tire dynamic balancing operation steps are as follows: 1. Remove the tire from the vehicle and secure it on the balancing machine. 2. Input the required values as prompted by the balancing machine. 3. Rotate the tire to read the dynamic imbalance value. 4. Add counterweight balance blocks for correction. 5. Reinstall the balanced tire onto the vehicle to complete the balancing process. Wheel balancing should be performed under the following circumstances: 1. After installing new tires or post-collision repair. 2. When experiencing unilateral wear on front/rear tires. 3. When the steering wheel feels excessively heavy or vibrates during driving. 4. When the vehicle pulls to the left or right during straight-line driving. 5. For maintenance purposes, it's recommended to perform balancing every 6 months or 10,000 km after the first 9 months of new vehicle ownership, even without the above symptoms.
13
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.