An electronic car key opens your car door and turns off the alarm remotely. It can also lock all of your car's door remotely and make your car sound an alarm via its panic button during an emergency. The electronic car key contains a controller chip that stores function codes for the lock and unlock commands. It also contains a transmitter that sends these codes to receivers in the car. Destroying the controller chip and receiver will destroy the electronic car key.
- Skill level:
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Things you need
- Metal nail file
- Chip puller or tweezers
- Flat nose screwdriver
Remove the lithium ion battery in the electronic car key by taking off the battery cover and prying up the battery.
Pull the two halves of the electronic car key apart by holding the front plate with one hand and pulling on the lip of the battery compartment with the other hand.
If you cannot pull the two halves of the electronic car key apart, insert a metal nail file into the groove around the edge to pry the two halves apart.
Locate the rectangular controller chip on the electronic circuit board. Pull the chip out with a chip puller or a pair of tweezers. Try snapping the chip in half or smashing it with a hammer.
Use a flat nose screwdriver to pry the transmitter from the electronic key card's electronic circuit board. Break any solder points on the electronic circuit board with a flat nose screwdriver or metal nail file to ensure that the circuits will not work.
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