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No chip can be used, but there are certain restrictions when in use, only be able to open the door of the motor vehicle, can not start the motor vehicle, motor vehicle start, it is necessary to have the key with the chip to be able to start, other keys are not able to start, which is also one of the anti-theft locks of the vehicle.
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The spare key of a motor vehicle can be equally effective even without a chip, and can also start the vehicle to unlock the vehicle.
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The spare key of the motor vehicle is needed in the temporary emergency, and it is used in the emergency when the motor vehicle is mainly found or lost, so there is no need to have a remote control chip.