How Far Away Does the Key Need to Be for the Car to Shut Off?
2 Answers
When the car key moves away from the vehicle, the car will not shut off; it will only display a notification indicating that the key is not detected. It's important to note that if the car key is not detected by the vehicle, the car cannot be started. For example, if the person holding the key exits the vehicle and walks away, and the car stalls midway, the vehicle will not be able to restart without detecting the key. Below is additional information about automatic car locking: 1. Method: Shift into the P (Park) position, turn the key to the ON position, ensure all four doors are closed, then press and hold the unlock button for 6 seconds. 2. Overview: The car smart key is a common keyless entry system, also known as a smart key system. It consists of a transmitter, a remote central locking control module, a driving authorization system control module (three receivers), and the related wiring harnesses that form the control system.
Last time I researched this issue, the keyless system in car keys operates via RF sensors, typically with a sensing range of 1 to 3 meters. The vehicle won't automatically shut off when the key leaves; this is a safety design to prevent accidents in case the key accidentally drops on highways. The system only emits a warning sound or displays a message on the dashboard when the key is missing, such as 'Key Not Detected.' The specific range varies by car model—some SUVs or electric vehicles may have a wider range, but weak batteries or environmental interference can reduce it. It's recommended to regularly check the key's battery to avoid startup failures at critical moments. Personally, I once forgot my key at a car wash, but the car kept running, and I later confirmed this logic in the manual. In short, developing the habit of taking the key when exiting the car ensures safety.
