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this isn't likely a simple issue that can be fixed at home, these symptoms point to a legitimate system fault.
what you can try is to unhook the vehicle's battery for one hour to fully reset the system
make sure you wait 30min after turning off the car and leaking it before unhooking the battery
after you reconnect, you may need to reinitialize the steering angle sensor by turning the wheel all the way left and all he way right a few times
if the battery reset does not work, then you have a hardware or software fault which will require proper repair. It could be as simple as a faulty button, but more likely is a control module fault
Sorry if you were hoping for a different answer, please don't shoot the messenger - I can only give the honest answer, which I have. Please remember that a low rating PUNISHES me for my honest and prompt response, and I receive nothing for my time and answer until a positive rating is clicked.
Please let me know if you have further questions. Please do not forget to click a positive rating as this is the only way I receive credit for my answer, thank you. Best wishes with your vehicle.