433.92MHz FSK
NCF29A1V / HITAG AES / 4A CHIP
Please make sure battery installed before read chip.
Please don't use VVDI & KYDZ to read the chip of this key
If can't program, take out circuit board and stick it to ignition to program it. Make sure battery is connected.
If program 2pcs to same car, need to synchronize the second key, or remote won't work. insert the 1st key to ignition, press and hold any button of 2nd key for 3 seconds.