The method of rematching the car key after changing the battery: 1, if it is in the case of remote control failure, you can do the following matching: in the case of all the doors closed, the ignition switch is turned on (the second gear instrument light is all on) in the close, and then the key is removed;
2, hold down the lock button on the key for 10s, and press the lock again five times within 5S; 3, let go of the two keys, then press any key. OK, if it doesn't work out. Do it again in the above way.
After the car key changes the battery, the remote control needs to start the vehicle engine first, and then switch on the electronic system of the whole car, press and hold the lock key of the car driver's door, and do not release it after pressing and holding for more than 5 seconds, the remote control of the car can be matched.