Steering unlock very difult to loosen

Dear Sir 
Welcome, and thank you for trusting us
Error Code 91 (unable to detect key) to solve the problem : 

1. check the remote battary 
2. check the remote 

I hope my answer was helpful, please let me know if you have any follow up questions. If you feel I've answered your question already, please rate my answer from top of the page. Your feedback helps to ensure only the best experts are available to help you.
You can also ask questions of our other specialists in the areas of nutrition, therapists, IT specialists, medical doctors, and many more.
We are privileged to communicate with you, and you can always consult many experts on Jawabkom like Doctors, Nutritionists, and Engineers
Kind Regards
Engineer mohammad