By putting your original chip key signal to the steering lock position by a coil connection, this bypass module makes the chip code can be read by your car to realize remote engine start and car alarmMade of premium material, it ensures you a long time use, is not easy to rustSuitable for most cars with chip keyTwo-wire connection. Easy to installIf your key is bigger than this unit case, please take out the chip or whole PCB to the case Specification: Material: ABS Instructions: 1. Remove the key screws of bypass module control box and open the control box;2. Insert the OEM car key or key PCB or key chip under the wire;3. Lock the locker and press the wires close to the remote key, key PCB or key chip;4. Tighten the screws and lock the case;5. Circle the sensing the wire on the OEM car key socket(circle more circles can enhance the signal);6. Fasten the sensing wires to the car key socket with glue;7. Try to start the car engine to confirm whether the bypass module is working. If not, please try to circle more circles on the car key socket, or check the connection if it is right;8. Place the bypass module in a hidden place. Note: 1. A spare key with the chip is required to go inside the box. If the key is bigger than the box, please take out the chip or whole PCB to the case.2. If the vehicle does not start with the remote starter, try adjusting or changing the position of the transponder in the bypass module or adjusting the position of the two-loop wire around the transponder pick-up antenna. Package included: 1 x Bypass Module with Coil 1 x English and Chinese User Manual