without the key fob means a key can be inserted into the keyhole and the door lock distance, which is the biggest advantage: no matter day and night, without proven keyhole, the tedious process of replacing key-door car, may be much distance, easily unlocked (open) and the lock (lock). Fob can also open the trunk in the car, the tank filler cap, close the windows and lock when the vehicle outer rear view recovery environment. .
1 fob noun
means without the key fob key can be inserted into the keyhole opening and lock distance, which is the biggest advantage: no matter day and night, without EXPLORATION Ming keyhole, the tedious process of replacing key-car door, the distance can easily be unlocked (open) and the lock (lock). Fob can also open the trunk in the car, the tank filler cap, close the windows and lock when the vehicle outer rear view recovery environment.
2. The basic principle of the remote control key
is emitted from the side of the owner of the weak radio wave, the radio signal received by the car antenna, a signal via the electronic controller ECU identification codes, then the system by the actuator (electric motor manager or electromagnetic coil) to perform start / lockout action. The system is mainly composed of two portions of the transmitter and receiver.
3. Car key fob Failure Cause
1, battery power or poor battery contacts.
2, remote key control module failure time.
3, car remote control transmitter antenna aging.
4, the front windshield posted proof solar film, solar film explosion-proof shield in the remote control signal to some extent.
During use, for intelligent remote control key to avoid contact with a number of strong magnetic field, such as power lines, emission where there is a strong magnetic field signal tower, to avoid the vehicle is parked, since the smart key using the low-intensity radio waves, so in the magnetic interference situation may not workjobs. In addition, when using the smart key also try not to throw throw, because most of the smart key shell are relatively strong, but often throw throw will cause internal battery connection is bad.