Why Can't the Car Mechanical Key Unlock the Door?

1 Answers
OAdeline
07/30/25 7:59am
Reasons: Incorrect operation - turning the key in the wrong direction. In most cases, turning the key clockwise unlocks the door, while turning it counterclockwise locks it. The lock cylinder may be faulty. Most car owners use remote keys to open their car doors. Below is some information about car keys: 1. Classification: Car keys are divided into two types—one without an anti-theft chip and another with an anti-theft chip. Keys with anti-theft chips are commonly found in some low-end models and don’t even have a remote control, which is rare nowadays. 2. Smart keys: A smart key is like a small radio wave transmitter. The chip inside the key contains a unique ID code that matches the car. When the smart key emits a radio wave, the car receives it. After verification by the car’s anti-theft system control unit, the key is recognized, allowing the door to be opened and the engine to be started.
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