Why does the car key not respond when pressed even though it has power?
1 Answers
Reasons why a car key with power does not respond when pressed: 1. Nearby interference; 2. Obstruction by buildings; 3. Insufficient battery power; 4. Faulty remote key circuit board. The mechanism of a remote key is a wireless communication system composed of a transmitter and receiver, which is a low-power radio device. The car's control system identifies the signal code through the electronic control unit (ECU). First-generation car keys, even if they still use mechanical ignition, often include remote locking and unlocking functions. More advanced car keys may feature one-button start or proximity unlocking, while some even offer remote engine start capabilities.