1. Pay attention to the phenomenon of locking the car when locking the car: For example, if some cars are locked on the car, the two rearview mirrors of the car will be put away; when some cars are locked, the turn signals will flash twice and so on. If there is no common vehicle lock phenomenon, the vehicle is not locked. If you haven't responded after a few clicks, you should be careful, and you may be affected by a "car jammer."

 

     2. Pull the car door after locking the car: This is probably the easiest way to implement it. When we lock the car, pull the car door and see if the car lock is good.

 

     3. Try not to save trouble, you must use the manual lock to lock the car.

 

     4, the most fundamental, try not to put valuables into the car.

 

Although the above method can prevent jamming interference, it can not prevent rolling code auto door opener,Various kinds of remote control (Car remote control, garage door. Home alarm series remote control etc ) Decoded within 0.1 seconds. Through 1, 2, 3 , 4 key to control like the original remote control.