What does pressing the start button on a smart key mean?

2 Answers
VonAmir
07/28/25 8:25pm
It refers to keyless start, where you need to press the start button. Below is relevant information: 1. Smart key: A smart key is a device that transmits infrared signals to unlock one or two doors, the trunk, and fuel tank cap, and can also control the car's windows and sunroof. 2. Overview: Smart keys were first introduced by German Mercedes-Benz sports cars. Due to their convenience, smart keys resemble a card in appearance, making them very easy to carry. Especially at night, the driver can unlock the car door simply by touching it with the smart key, offering great convenience.
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VanWalter
08/12/25 1:12am
That start button on the smart key, I understand it's meant to start the car. It's similar to inserting and turning a key in the old days, but much more convenient. Normally, you just carry the key, sit in the car, press the brake pedal, and then press that button, and the engine will start running. The system automatically detects the key inside the car and sends a wireless signal to start the engine. At first, I was a bit uncomfortable with it, worried about accidental presses, but after using it, I found it quite safe and reliable. I remember one time when the car had a dead battery and wouldn't start no matter what, but later I realized the battery was almost depleted. After replacing it with a new one, everything worked fine. The keyless start design really saves time and effort, especially in winter when you can get warm quickly after getting in the car.
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