What does it mean when the key is not detected?

[MacElla]

When the key is not detected, it could be due to: 1. The vehicle's remote key battery is dead; 2. The vehicle's remote key was not brought along; 3. There is an error in the vehicle's one-button start system; 4. There is an error in the vehicle's onboard computer. In such cases, avoid blind repairs and try replacing the remote key first. A car key is the tool used to switch the car on and off. Modern car keys all use chips, which are part of a magnetic chip system. The reading coil in the car's ignition lock cylinder will read the chip in the key, as each chip contains fixed digital information. A remote key allows for unlocking and locking the car doors from a distance without inserting the key into the lock.