With the advancement of technology，Car function design is becoming more and more advanced，As part of the car，The function of the car key is becoming more and more advanced，The car key has evolved from the previous mechanical key to a remote control key，You can start it with one click，Very convenient。Car key In addition to turning on the practical effect of the car，It is also given the meaning of identity symbol，Become a "weapon" for many people to show economic strength。For car key，The owners should be familiar with it.，but but，The working principle of many people's smart car key、Don’t know much about the processing method of no power signs and no power treatment，Today I will talk to you about those things about car keys ~
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The working principle of the car key: The car key is mainly composed of two parts: the transmitter and the receiver，The receiver in the car is the receiver，On the key is the emitter，When we enter the remote control range of the remote control，Press the button，The receiver will be demodulated and matched，When the matching is consistent，The door can open it。Now many cars are equipped with a keyless startup system，So what is the difference between the working principle of keyless start and the working principle of one -click start?Key -free start: Keyless entry refers to the unlocking operation of the vehicle without taking the car key，Under normal circumstances，The driver needs to bring the car key to enter the range of 2 meters around the vehicle，Trigger the sensor on the door handle with your hand，Anti -theft computer matches the legal vehicle sensing key，You can open the door。Under normal circumstances，The vehicle can only open two front doors，But on many luxury brand models，4 doors can enter the keyless entry。One -click startup: One -click startup was initially synonymous with luxury cars，But with the development of the automotive industry、progress of technology，One -click startup has begun to extend to the car sedan。At present, many models are equipped with one -click startup。The classification of one -button start is with buttons、knob type and insert knob type。
Symptoms of the car keys without power
The battery of the car key is generally used for 3V button batteries，Since the car key is relatively small，The capacity of the battery is relatively small，Therefore, the electricity stored is relatively small。Generally, the capacity of a button battery is 200mAh，About one -twenty -tenth of the Nanfu battery。Under normal circumstances，The battery on the car remote control can be used for two to three years，It is mainly related to your own use intensity，If the frequency you use is higher，Then the corresponding power will consume faster，The battery will also strike quickly for this。When the remote control key appears, the following signs，The owner should pay attention to the insufficient electricity of the car key，This is the charging ~The remote control key can usually be a remote control vehicle at a distance of more than 20 meters away from the car.，If the remote control distance is shortened to less than 10 meters，This shows that the remote control key battery is electric，This leads to a shorter signal distance that can be controlled。This is the same as people，If you are full, you will have strong energy，No energy if you don't eat。
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Automotive remote control distance becomes closer
When the new remote control is pressed,，The indicator light above will be bright，If you find that the indicator on the key is getting darker and darker，It also means that the power is insufficient。
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The indicator on the key becomes darker or not flashing
Originally, you can open the door to open the door，Now you need to press several times to open，This also shows that the battery should be replaced。
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Press the key occasionally to fail
In some vehicles，Equipped with the function of remote control of the remote control key。When the car itself detects that the remote control key signal becomes weakened，I will intelligently display information with low remote power in the instrument disk of the car，So that the owner will change the battery。
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Instrument panel reminds the remote control key low
Ordinary key does not have this function，Generally on luxury cars,，There is a small screen on the car key of some luxury cars，When the battery is out of power，The screen will prompt the owner seabet myto change the battery。
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Display replacement battery on the remote control
For the convenience of ordering，Many restaurants have used mobile devices -ordering machine。But，If the ordering machine is three free and inferior products，The frequency band used and the frequency band of the car remote control key is easy to coincide。After the car leaves these areas，Remote control key will return to normal，So some owners dare not stop on this roadside。
Car key Remote control where is easy to fail
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Restaurant concentration area
Many units and communities have used electric telescopic doors，When the remote control is operating with the expansion door，It will continue to send out a specific frequency band radio wave，Easy to interfere with smart car keys。
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Electric telescopic door
Anti -theft alarm If a failure occurs，Will send out the radio waves in various frequency bands for a long time，Interference surface wide。
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Anti -theft alarm
Large -scale electronic screens in open -air if there is a failure，Easy to form a source of interference。
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Electronic screen concentration area
Substation or high -voltage line is subject to strict technical restrictions，Generally does not exceed the radiation exceeding the standard。Unless a specific failure occurs，Signal interference will be formed。Warm reminder: The frequency bands used in each car series are different，So the situation when encountering interference is also different。If the key is out of control，A use of the key manual switch lock。In addition，More electronic equipment、Place where the situation is relatively complicated, it is best to use a mechanical key lock car，In case of it in case。
Precautions for use of car key
The car key should pay attention to the following 5 points of precautions during use:1. Do not put the car key with radiation electronic products，Because the smart key uses a low -strength radio wave，It is easy to be disturbed by magnetic field;2. Do not throw the car key and be impacted by mechanical impact，The chip of the smart key is fragile，Any beat can cause damage to the car key，Unable to use it normally;3. Intelligent key cannot enter water，Otherwise, it will be easy to damage short circuit。Once the water is in the water seabet ioand blow dry with a hair dryer;4. Do not put the spare key in the car，Spare keys are generally smart key，It will affect the normal work of the system;5. The smart key cannot be placed in a high temperature environment，When changing the battery，Do not use the mismatched battery model，Otherwise, it is likely to burn the circuit board。Little car key，The function is not simple，Smart and convenient，There is still a lot of doorway。Motors must carefully understand their functions and use precautions when using smart car keys，Use car key to use safely，Make travel safer、More smooth。(Content derived from the Internet, please contact delete if it involved in copyright)
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