What is the method for matching a car key remote?

[BrookeFitz]

Methods for matching a car key remote: 1. Program a new key using an already encoded key; 2. Insert a key and turn the switch on, a security light will illuminate for about 10 minutes; 3. Within one minute after the security light goes off, turn the ignition switch off and then on again, the warning light will stay on for about 10 minutes; 4. Repeat the previous step for approximately 30 minutes, and the key will be successfully matched. A remote key controls devices via radio waves, commonly used for smart door locks. It utilizes the wireless remote function of a central locking system, allowing doors to be opened or locked from a distance without inserting the key into the lock. Its working principle: First, the key emits a weak radio wave, which is received by the car's antenna. The electronic control unit then identifies the signal code, and the system's actuator performs the action of opening or locking.