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Does Keyless Entry Require Locking the Car?

2 Answers

SanTravis

09/02/25 3:20am

No need to manually lock the car. When the driver moves a certain distance away from the vehicle, the door locks will automatically engage and activate the anti-theft system. At this point, the vehicle will alert the owner that it's locked through actions such as flashing the parking lights, sounding the horn, and automatically folding the side mirrors. Basic principle of remote key: The key emits a weak radio wave, which is received by the car's antenna. The electronic control unit (ECU) then identifies the signal code, and the system's actuator (motor or electromagnetic coil) executes the locking/unlocking action. This system mainly consists of two parts: a transmitter and a receiver. Keyless entry system: The car's intelligent keyless entry system, abbreviated as PKE, utilizes the world's most advanced RFID radio frequency technology and vehicle identity coding recognition system. It pioneers the application of miniaturized, low-power RF antenna development solutions and successfully integrates remote control systems with keyless systems.

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Chiron

09/14/25 5:36am

I drive my keyless entry car to work every day, keeping the key in my pocket. It automatically unlocks when I approach, which is super convenient, but I have to manually lock it. The car senses the key and unlocks when I get in, but after getting out, if I don't press the button on the door handle or use the remote lock, it really won't lock. Last time after shopping at the mall, I left in a hurry and forgot to press the button, only realizing when I got home that the car wasn't locked—fortunately, nothing happened. This system is designed for safety—automatic unlocking prevents the key from being dropped, but manual locking ensures you confirm the car is secure. When checking the vehicle manual, the manufacturer recommends developing a habit of checking for the flashing lights in the rearview mirror to confirm the car is locked. I suggest adding a phone alarm reminder, especially at night or in unfamiliar places—don't skip this step.

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