When buying a car, there will be a spare key in the manual and common tools of the car. It's a mechanical key, which is usually put in the package of the manual. When using the spare key, first find a square or round grid on the door handle on the driver's side of the car and buckle it. After prying open the car lock cover, it is the hole of the mechanical key, and then use the spare key to open the door.

Method 2: Find an unlocking company.

Note that you must choose a regular unlocking company. The unlocking fee generally ranges from 200 to 500, and the unlocking time is generally one minute.

When looking for an unlocking company to unlock, you need to prepare the following information:

1, valid ID card.

2, can prove the vehicle attributes.

Method 3: smash the glass.

There's really nothing we can do. The car was on a barren hill, so it broke the glass. You must break the glass skillfully. You must not smash expensive glass, so you can't smash the skylight and the front block. The maintenance rate of triangular windows is not high, so the inventory is not large and there is no way to start. Then we have to smash the glass on the door.

Method 4: Unlock by remote control with mobile phone.

The premise of using mobile phone to remotely unlock is that you have installed the car cloud key system. The disadvantage of this method is that it doesn't work where the signal is bad or when the signal is disturbed.

Method 5: Call the car networking customer service phone to help unlock the car.

Since the Internet of Vehicles appeared, more and more cars began to use it as a selling point to attract more consumers. If your car also has a car network, you can call their customer service phone for remote control, but it is also limited by signals and interference like mobile phone remote control.

Method 6: Open the door with the car battery.

Remind everyone that this method is not applicable to all models. Curious car owners can touch the positive electrode of the battery with a small iron piece to see if their car can open the door. When trying, clamp the small iron piece with insulator to avoid electric shock.

Car owners must pay attention to:

1, don't leave the spare key in the car.

2. Pull out the key before getting off.

Be extra careful when parking for others in public.

4. When buying auto insurance, you should understand the relevant compensation rules for stolen vehicles to prevent the lack of evidence for claims after the stolen vehicles are lost.