Not all mobile phone NFC can simulate car keys, which requires your mobile phone and vehicle to support NFC function. If the ordinary remote control key can't use NFC function, then if you care about this function, you should ask the seller whether NFC unlocking is supported before buying a car. After the simulation, the original car key can be used as a spare key, and you can take your mobile phone when you go out.
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Because the car system will automatically lock the door only when the key is 3 to 5 meters away from the car, some models will automatically lock the door after a period of time without starting. Different models have different situations. But in any case, when you get off the bus, you must remember to turn off the engine and take care of automobile intelligent key.
Intelligent key's keyless start mode makes all this easier, and intelligent key's role is to let the engine identify whether the operator is the owner or not, and enter the standby state before starting at any time. When the engine needs to be started, as long as the intelligent key is in the detectable area, the driver can press the start button or twist the rotation button to start the engine.