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A spare key is needed to start the car. If you cannot find a spare key, you need to contact the brand after-sales service department to re-match the car key to start the motor vehicle. Motor vehicle security locks need a chip to open. There's a chip problem. It won't start. It's normal.
The vehicle key controls the lock, unlock and start of the vehicle. When there is a problem with the motor vehicle key chip, the motor vehicle key cannot be used and the vehicle cannot be started.