What is the function of the car remote control key?
The signal contains the corresponding command information, the car antenna receives the radio signal, and after the body control module BCM certification, there is an actuator to realize the unlocking/locking action.
The main function:
In addition to controlling the opening and closing of the doors, the car remote control can also control the opening and closing of the windows and the trunk. These two functions are also commonly used in daily life. When you want to speed up air circulation in the car to ventilate or remove odors, you can pick up the remote control and roll down the windows.
The main function of the car remote control key is to remotely switch the car door lock.
Other functions of the car remote control key:
1. Close the windows after turning off the engine:
As long as you press and hold the door close button on the remote control key, you can close the windows. This function can also be equipped on ordinary sedan chairs costing more than 100,000 yuan. There are also some cars, as long as the remote lock function is used, all the windows will be automatically raised and closed.
2. Looking for a car in the parking lot:
There is a red horn button on the car key. This button has both the function of finding a car and calling for help. When a bad person is approaching, it can make the car continue to honk and attract the attention of others. However, using this function on a silent night is indeed disturbing.
3. Automatically open the trunk:
There is a button to open the trunk on the car remote control key. If you happen to go shopping from the supermarket and have a large bag in your hand - have you tried it, long press the trunk unlock button (some cars are pressed twice), The trunk will pop open automatically. Many German cars have this feature.
4. Only open the cab door:
For some cars (such as Volkswagen's Sagitar and Magotan), pressing the remote control key to open the door will only open the cab door; pressing it twice will open all 4 doors. Some cars do not have such a setting when they leave the factory, but you can also call up this function by consulting the 4S shop. In this way, there is no automatic locking function, and the property on the co-pilot and the rear seat can be secured.
Extended information:
The method of starting the vehicle when the car remote control key is out of power:
There is an electromagnetic coil in each remote control key, the coil will emit microwave, and there is also an electromagnetic coil in the one-key start button to receive the microwave, and then transmit it to the trip computer, the trip computer will analyze whether the key matches, if the match is successful, it will start vehicle.
So just stick the remote control key near the sensor inside the vehicle, and then the vehicle can be started. The position of the sensor is different for each model, and it is recommended that the owner read the vehicle manual in advance.